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19-1659; Rev 1; 4/01 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References General Description The MAX6061-MAX6068 are precision, low-dropout, micropower voltage references. These three-terminal devices are available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V. They feature a proprietary curvature-correction circuit and laser-trimmed thin-film resistors that result in a very low temperature coefficient of 20ppm/C (max) and an initial accuracy of 0.2% (max). Specifications apply to the extended temperature range (-40C to +85C). The MAX6061-MAX6068 typically draw only 90A of supply current and can source 5mA or sink 2mA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, these devices offer a supply current that is virtually independent of the supply voltage (8A/V variation) and do not require an external resistor. Additionally, the internally compensated devices do not require an external compensation capacitor. Eliminating the external compensation capacitor saves valuable board area in space-critical applications. Low dropout voltage and supply independent, ultra-low supply current make these devices ideal for battery-operated, high-performance, low-voltage systems. The MAX6061-MAX6068 are available in a 3-pin SOT23 package. o Ultra-Small 3-Pin SOT23 Package o 0.2% (max) Initial Accuracy o 20ppm/C (max) Temperature Coefficient o 5mA Source Current o 2mA Sink Current o No Output Capacitor Required o Stable with Capacitive Loads o 90A (typ) Quiescent Supply Current o 200mV (max) Dropout at 1mA Load Current o Output Voltage Options: 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, 5V o 13Vp-p Noise 0.1Hz to 10Hz (MAX6061) Features MAX6061-MAX6068 Ordering Information PART TEMP. RANGE PINPACKAGE 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 TOP MARK FZFP FZFQ FZFY FZFZ FZFV FZFW FZGB FZGC FZGE FZGF FZFM FZFN MAX6061AEUR-T -40C to +85C MAX6061BEUR-T -40C to +85C MAX6062AEUR-T -40C to +85C MAX6062BEUR-T -40C to +85C MAX6063AEUR-T -40C to +85C MAX6063BEUR-T -40C to +85C MAX6064AEUR-T -40C to +85C MAX6064BEUR-T -40C to +85C MAX6065AEUR-T -40C to +85C MAX6065BEUR-T -40C to +85C MAX6066AEUR-T -40C to +85C MAX6066BEUR-T -40C to +85C Applications Analog-to-Digital Converters (ADCs) Portable Battery-Powered Systems Notebook Computers PDAs, GPSs, DMMs Cellular Phones Precision 3V/5V Systems Typical Operating Circuit appears at end of data sheet. Note: There is a minimum order increment of 2500 pieces for SOT23 packages. Ordering Information continued at end of data sheet. Selector Guide PART MAX6061 MAX6068 MAX6062 MAX6066 MAX6063 MAX6064 MAX6067 MAX6065 OUTPUT VOLTAGE (V) 1.248 1.800 2.048 2.500 3.000 4.096 4.500 5.000 INPUT VOLTAGE (V) 2.5 to 12.6 2.5 to 12.6 2.5 to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 Pin Configuration TOP VIEW IN 1 MAX6061- MAX6068 OUT 2 3 GND SOT23-3 1 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 ABSOLUTE MAXIMUM RATINGS (Voltages Referenced to GND) IN .........................................................................-0.3V to +13.5V OUT .............................................................-0.3V to (VIN + 0.3V) Output Short-Circuit Duration to GND or IN (VIN < 6V) ...Continuous Output Short-Circuit Duration to GND or IN (VIN 6V)................60s Continuous Power Dissipation (TA = +70C) 3-Pin SOT23 (derate 4.0mW/C above +70C)............320mW Operating Temperature Range ...........................-40C to +85C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS--MAX6061, VOUT = 1.25V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/ VIN 2.5V VIN 12.6V Guaranteed by line regulation test 2.5 90 3.4 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 13 15 86 50 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6061A MAX6061B 2.5V VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6061A (0.32%) MAX6061B (0.48%) MIN 1.244 1.242 TYP 1.248 1.248 6 6 10 0.5 1.3 25 25 62 130 MAX 1.252 1.254 20 30 90 0.9 3.0 UNITS V ppm/C V/V mV/mA mA ppm/ 1000hr ppm 2 _______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References ELECTRICAL CHARACTERISTICS--MAX6068, VOUT = 1.80V (VIN = +5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/ VIN 2.5V VIN 12.6V Guaranteed by line regulation test 2.5 90 3.3 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 22 25 86 115 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6068A MAX6068B 2.5V VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6068A (0.17%) MAX6068B (0.39%) MIN 1.797 1.793 TYP 1.800 1.800 6 6 33 0.5 1.5 25 25 62 130 MAX 1.803 1.807 20 30 200 0.9 4 UNITS V ppm/C V/V mV/mA mA ppm/ 1000hr ppm MAX6061-MAX6068 _______________________________________________________________________________________ 3 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 ELECTRICAL CHARACTERISTICS--MAX6062, VOUT = 2.048V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN 2.5V VIN 12.6V Guaranteed by line-regulation test 2.5 90 3.3 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 22 25 86 115 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6062A MAX6062B 2.5V VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6062A (0.24%) MAX6062B (0.39%) MIN 2.043 2.040 TYP 2.048 2.048 6 6 33 0.5 1.5 25 25 62 130 MAX 2.053 2.056 20 30 200 0.9 4 UNITS V ppm/C V/V mV/mA mA ppm/ 1000hr ppm 4 _______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 ELECTRICAL CHARACTERISTICS--MAX6066, VOUT = 2.500V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation Dropout Voltage (Note 4) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN (VOUT + 0.2V) VIN 12.6V Guaranteed by line-regulation test VOUT + 0.2 90 3.3 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 27 30 86 115 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6066A MAX6066B (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6066A (0.2%) MAX6066B (0.4%) MIN 2.495 2.490 TYP 2.500 2.500 6 6 60 0.5 1.6 50 25 25 62 130 MAX 2.505 2.510 20 30 300 0.9 5 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm _______________________________________________________________________________________ 5 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 ELECTRICAL CHARACTERISTICS--MAX6063, VOUT = 3.0V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation Dropout Voltage (Note 4) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN (VOUT + 0.2V) VIN 12.6V Guaranteed by line-regulation test VOUT + 0.2 90 3.4 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 35 40 76 115 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6063A MAX6063B (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6063A (0.2%) MAX6063B (0.4%) MIN 2.994 2.988 TYP 3.000 3.000 6 6 90 0.5 2.0 50 25 25 62 130 MAX 3.006 3.012 20 30 400 0.9 6.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm 6 _______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References ELECTRICAL CHARACTERISTICS--MAX6064, VOUT = 4.096V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation Dropout Voltage (Note 4) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN (VOUT + 0.2V) VIN 12.6V Guaranteed by line-regulation test VOUT + 0.2 90 3.2 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 50 50 72 190 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6064A MAX6064B (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6064A (0.2%) MAX6064B (0.4%) MIN 4.088 4.080 TYP 4.096 4.096 6 6 130 0.5 2.2 50 25 25 62 130 MAX 4.104 4.112 20 30 430 0.9 8 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm MAX6061-MAX6068 _______________________________________________________________________________________ 7 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 ELECTRICAL CHARACTERISTICS--MAX6067, VOUT = 4.500V (VIN = +5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation Dropout Voltage (Note 4) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN (VOUT + 0.2V) VIN 12.6V Guaranteed by line-regulation test VOUT + 0.2 90 3.2 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 55 55 70 230 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6067A MAX6067B (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6067A (0.2%) MAX6067B (0.4%) MIN 4.491 4.482 TYP 4.500 4.500 6 6 170 0.5 2.4 50 25 25 62 130 MAX 4.509 4.518 20 30 550 0.9 8 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm 8 _______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References ELECTRICAL CHARACTERISTICS--MAX6065, VOUT = 5.000V (VIN = +5.2V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Note 2) Line Regulation Load Regulation Dropout Voltage (Note 4) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 3) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current Note 1: Note 2: Note 3: Note 4: VIN IIN IIN/VIN (VOUT + 0.2V) VIN 12.6V Guaranteed by line-regulation test VOUT + 0.2 90 3.2 12.6 125 8.0 V A A/V eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 60 60 65 300 Vp-p VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C MAX6065A MAX6065B (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C CONDITIONS MAX6065A (0.2%) MAX6065B (0.4%) MIN 4.990 4.980 TYP 5.000 5.000 6 6 180 0.5 2.4 50 25 25 62 130 MAX 5.010 5.020 20 30 550 0.9 8.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm MAX6061-MAX6068 All devices are 100% production tested at TA = +25C and are guaranteed by design for TA = TMIN to TMAX, as specified. Temperature Coefficient is measured by the "box" method, i.e., the maximum VOUT is divided by the maximum T. Temperature Hysteresis is defined as the change in +25C output voltage before and after cycling the device from TMIN to TMAX. Dropout voltage is the minimum input voltage at which VOUT changes 0.2% from VOUT at VIN = 5.0V (VIN = 5.5V for MAX6065). _______________________________________________________________________________________ 9 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 Typical Operating Characteristics (VIN = +5V for MAX6061-MAX6068, VIN = +5.5V for MAX6065, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 5) MAX6062 OUTPUT VOLTAGE TEMPERATURE DRIFT MAX6061/68 toc01 MAX6065 OUTPUT VOLTAGE TEMPERATURE DRIFT THREE TYPICAL PARTS 5.002 OUTPUT VOLTAGE (V) MAX6061/68 toc02 MAX6061 LINE REGULATION TA = +25C MAX6061/68 toc03 2.051 THREE TYPICAL PARTS 2.050 OUTPUT VOLTAGE (V) 5.003 300 OUTPUT VOLTAGE CHANGE (V) 200 100 0 -100 -200 -300 TA = -40C TA = +85C 2.049 5.001 2.048 5.000 2.047 4.999 2.046 -40 -15 10 35 60 85 TEMPERATURE (C) 4.998 -40 -15 10 35 60 85 TEMPERATURE (C) 2 4 6 8 10 12 INPUT VOLTAGE (V) MAX6065 LINE REGULATION MAX6061/68 toc04 MAX6061 LOAD REGULATION MAX6061/68 toc05 200 OUTPUT VOLTAGE CHANGE (V) 0 -200 -400 -600 -800 TA = +85C TA = -40C MAX6065 LOAD REGULATION 10 OUTPUT VOLTAGE CHANGE (mV) 8 6 4 2 0 -2 -4 TA = -40C -6 -4 -2 0 2 4 6 TA = +25C TA = +85C MAX6061/68 toc06 5 OUTPUT VOLTAGE CHANGE (mV) 4 3 2 1 0 -1 -2 -3 TA = -40C TA = +25C TA = +85C 12 TA = +25C -1000 -1200 5 7 9 INPUT VOLTAGE (V) 11 13 -4 -2 0 LOAD CURRENT (mA) 2 4 -6 LOAD CURRENT (mA) MAX6066 DROPOUT VOLTAGE vs. LOAD CURRENT MAX6061/68 toc07 MAX6065 DROPOUT VOLTAGE vs. LOAD CURRENT MAX6061/68 toc08 MAX6061 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY -10 -20 -30 PSRR (dB) MAX6061/68 toc09 0.30 0.25 DROPOUT VOLTAGE (V) 0.20 TA = +25C 0.15 0.10 TA = -40C 0.05 0 0 1 2 3 4 5 LOAD CURRENT (mA) TA = +85C 0.25 TA = +85C 0 0.20 DROPOUT VOLTAGE (V) 0.15 TA = +25C TA = -40C -40 -50 -60 0.10 0.05 -70 -80 0 0 1 2 3 4 5 LOAD CURRENT (mA) -90 0.001 0.01 0.1 1 10 100 1000 FREQUENCY (kHz) 10 ______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References Typical Operating Characteristics (continued) (VIN = +5V for MAX6061-MAX6068, VIN = +5.5V for MAX6065, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 5) MAX6065 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY -10 -20 PSRR (dB) -30 -40 -50 -60 -70 -80 0.001 0.1 10 1000 FREQUENCY (kHz) 70 2 4 6 8 10 12 INPUT VOLTAGE (V) MAX6061/68 toc10 MAX6061-MAX6068 MAX6061 SUPPLY CURRENT vs. INPUT VOLTAGE MAX6061/68 toc11 MAX6065 SUPPLY CURRENT vs. INPUT VOLTAGE MAX6061/68 toc12 0 110 115 110 SUPPLY CURRENT (A) 105 100 95 90 85 80 5 7 9 INPUT VOLTAGE (V) 11 SUPPLY CURRENT (A) 100 90 80 13 MAX6061 SUPPLY CURRENT vs. TEMPERATURE MAX6061/68 toc13 MAX6065 SUPPLY CURRENT vs. TEMPERATURE MAX6061/68 toc14 MAX6061 OUTPUT IMPEDANCE vs. FREQUENCY 200 180 OUTPUT IMPEDANCE () 160 140 120 100 80 60 40 20 MAX6061/68 toc15 120 VIN = 12.5V 110 SUPPLY CURRENT (A) VIN = 7.5V 115 220 SUPPLY CURRENT (A) 105 VIN = 12.5V VIN = 7.5V 100 90 VIN = 2.5V VIN = 5.5V 95 VIN = 5.5V 80 70 -40 -15 10 35 60 85 TEMPERATURE (C) 85 -40 -15 10 35 60 85 TEMPERATURE (C) 0 0.001 0.1 10 1000 FREQUENCY (kHz) MAX6065 OUTPUT IMPEDANCE vs. FREQUENCY MAX6061/68 toc16 MAX6061 0.1Hz TO 10Hz OUTPUT NOISE MAX6061/68 toc17 MAX6065 NOISE MAX6061/68 toc18 180 160 OUTPUT IMPEDANCE () 140 120 100 80 60 40 20 0 0.001 0.1 10 VOUT 10V/div VOUT 10V/div 1000 1s/div 1s/div FREQUENCY (kHz) ______________________________________________________________________________________ 11 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 Typical Operating Characteristics (continued) (VIN = +5V for MAX6061-MAX6068, VIN = +5.5V for MAX6065, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 5) MAX6061 TURN-ON TRANSIENT (CL = 50pF) MAX6061/68 toc19 MAX6065 TURN-ON TRANSIENT (CL = 50pF) MAX6061/68 toc20 VOUT 500mV/div VOUT 2V/div VIN 5V/div VIN 5V/div 10s/div 40s/div MAX6061 LOAD TRANSIENT (IOUT = 250A, VIN = 5.0, CL = 0) MAX6061/68 toc21 MAX6065 LOAD TRANSIENT (IOUT = 250A, CL = 0, VIN = 5.5V) IOUT +250A IOUT -250A MAX6061/68 toc22 +250A IOUT 500A/div IOUT 500A/div -250A VOUT AC-COUPLED 100mV/div VOUT AC-COUPLED 50mV/div 400s/div 400s/div MAX6061 LOAD TRANSIENT (IOUT = 250A, VIN = 5.0V, CL = 1F) MAX6065 LOAD TRANSIENT (IOUT = 250A, CL = 1F, VIN = 5.5V) MAX6061/68 toc23 MAX6061/68 toc24 +250A IOUT 500A/div -250A +250A IOUT 500A/div -250A VOUT AC-COUPLED 10mV/div VOUT AC-COUPLED 20mV/div 400s/div 400s/div 12 ______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References Typical Operating Characteristics (continued) (VIN = +5V for MAX6061-MAX6068, VIN = +5.5V for MAX6065, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 5) MAX6061 LOAD TRANSIENT (VIN = 5.0V, CL = 0, IOUT = 2mA) MAX6065 LOAD TRANSIENT (CL = 0, IOUT = 2mA, VIN = 5.5V) MAX6061-MAX6068 MAX6061/68 toc25 MAX6061/68 toc26 +2mA IOUT 5mA/div -2mA IOUT 5mA/div +2mA -2mA VOUT AC-COUPLED 100mV/div VOUT AC-COUPLED 50mV/div 400s/div 400s/div MAX6061 LOAD TRANSIENT (VIN = 5.0V, CL = 1F, IOUT = 2mA) MAX6065 LOAD TRANSIENT (CL = 1F, IOUT = 2mA, VIN = 5.5V) MAX6061/68 toc27 MAX6061/68 toc28 +2mA IOUT 5mA/div -2mA IOUT 5mA/div +2mA -2mA VOUT AC-COUPLED 50mV/div VOUT AC-COUPLED 20mV/div 400s/div 400s/div MAX6061 LOAD TRANSIENT (VIN = 5.0V, CL = 0, IOUT = 4mA) MAX6061/68 toc29 MAX6065 LOAD TRANSIENT (IOUT = 5mA, CL = 0, VIN = 5.5V) MAX6061/68 toc30 +4mA IOUT 5mA/div -4mA IOUT 5mA/div +5mA -5mA VOUT AC-COUPLED 200mV/div VOUT AC-COUPLED 100mV/div 400s/div 400s/div ______________________________________________________________________________________ 13 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 Typical Operating Characteristics (continued) (VIN = +5V for MAX6061-MAX6068, VIN = +5.5V for MAX6065, IOUT = 0, TA = +25C, unless otherwise noted.) (Note 5) MAX6061 LOAD TRANSIENT (VIN = 5.0V, CL = 1F, IOUT = 4mA) MAX6061/68 toc31 MAX6065 LOAD TRANSIENT (IOUT = 5mA, CL = 1F, VIN = 5.5V) +4mA MAX6061/68 toc32 +5mA IOUT 5mA/div IOUT 5mA/div -4mA -5mA VOUT AC-COUPLED 50mV/div VOUT AC-COUPLED 50mV/div 400s/div 400s/div MAX6061 LINE TRANSIENT (CL = 0) MAX6061/68 toc33 MAX6065 LINE TRANSIENT (CL = 0) MAX6061/68 toc34 +0.25 VIN 500mV/div -0.25 VIN 500mV/div +0.25 -0.25 VOUT AC-COUPLED 20mV/div VOUT AC-COUPLED 20mV/div 40s/div 40s/div Note 5: Many of the MAX6061 family Typical Operating Characteristics are extremely similar. The extremes of these characteristics are found in the MAX6061 (1.25V output) and the MAX6065 (5.0V output). The Typical Operating Characteristics of the remainder of the MAX6061 family, typically lie between these two extremes and can be estimated based on their output voltages. 14 ______________________________________________________________________________________ Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References Pin Description PIN 1 2 3 NAME IN OUT GND FUNCTION Input Voltage Reference Output Ground * +SUPPLY INPUT (SEE SELECTOR GUIDE) Typical Operating Circuit MAX6061-MAX6068 IN OUT REFERENCE OUT MAX6061MAX6068 Applications Information Input Bypassing For the best line-transient performance, decouple the input with a 0.1F ceramic capacitor as shown in the Typical Operating Circuit. Locate the capacitor as close to IN as possible. Where transient performance is less important, no capacitor is necessary. *CAPACITORS ARE OPTIONAL. GND 1F * Output/Load Capacitance Devices in the MAX6061 family do not require an output capacitance for frequency stability. In applications where the load or the supply can experience step changes, an output capacitor of at least 0.1F will reduce the amount of overshoot (undershoot) and improve the circuit's transient response. Many applications do not require an external capacitor, and the MAX6061 family can offer a significant advantage in these applications when board space is critical. Ordering Information (continued) PART MAX6067AEUR-T MAX6067BEUR-T MAX6068AEUR-T MAX6068BEUR-T TEMP. RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C PINPACKAGE 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 TOP MARK FZFS FZFT FZIB FZIC Supply Current The quiescent supply current of the series-mode MAX6061 family is typically 90A and is virtually independent of the supply voltage, with only an 8A/V (max) variation with supply voltage. Unlike series references, shunt-mode references operate with a series resistor connected to the power supply. The quiescent current of a shunt-mode reference is thus a function of the input voltage. Additionally, shunt-mode references have to be biased at the maximum expected load current, even if the load current is not present at the time. In the MAX6061 family, the load current is drawn from the input voltage only when required, so supply current is not wasted and efficiency is maximized at all input voltages. This improved efficiency reduces power dissipation and extends battery life. When the supply voltage is below the minimum specified input voltage (as during turn-on), the devices can draw up to 400A beyond the nominal supply current. The input voltage source must be capable of providing this current to ensure reliable turn-on. Output Voltage Hysteresis Output voltage hysteresis is the change of output voltage at TA = +25C before and after the device is cycled over its entire operating temperature range. Hysteresis is caused by differential package stress appearing across the bandgap core transistors. The typical temperature hysteresis value is 130ppm. Turn-On Time These devices typically turn on and settle to within 0.1% of their final value in 50s to 300s, depending on the device. The turn-on time can increase up to 1.5ms with the device operating at the minimum dropout voltage and the maximum load. Chip Information TRANSISTOR COUNT: 117 PROCESS: BiCMOS ______________________________________________________________________________________ 15 Precision, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6061-MAX6068 Package Information SOTPO3L.EPS Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products. |
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