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| Impala Linear Corporation ILC7262 Dual CMOS LDO General Description Dual 125mA CMOS LDO in an SO-8 package. This part offers 120mV dropout voltage on each output at 100mA typical (5V part), and nearly zero dropout below 5mA. Each output is independently short-circuit protected. Its all-CMOS design means that only 2.2A of current is required to run the part. 2% accurate outputs come in a number of configurations, to allow for flexible yet compact portable system designs. * * * * * * * * Features All-CMOS design in an 8-lead SOIC package 2% precision outputs 2.2A of Iq Short-circuit protected outputs Voltage options allow: Dual 50mA 5.0 & 3.3V Regulator Dual 50mA 5.0 & 3.0V Regulator Dual 125mA 5V to 3.0V & 3.3V Convertor Applications Battery-powered Equipment Portable communications PDAs and palmtops Ordering Information ILC7262CS-50/30 ILC7262CS-50/33 ILC7262CS-33/30 Dual 50mA 5v & 3.0V Regulator Dual 50mA 5V & 3.3V Regulator Dual 125mA 5V to 3.0 V & 3.3V Converter *Standard Product offering comes in tape & reel, quantity 1000 per reel, orientation right. Block Diagram VIN VOUT1 Pin-Package Configurations VIN SHORT-CIRCUIT PROTECT 1 8 NC 7 VSS1 6 5 + VOUT1 2 VOUT2 3 NC 4 VSS VOUT2 VSS2 VSS2 NC REFERENCE VOLTAGE SOURCE SO-8 (TOP VIEW) Impala Linear Corporation ILC7262 1.0 (408) 574-3939 www.impalalinear.com June 1996 1 Dual CMOS LDO Absolute Maximum Ratings (TA = 25C) Parameter Input Voltage Output Current Output Voltage Continuous Total Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VIN IOUT VOUT Pd Topr Tstg Ratings 12 500 VSS-0.3~VIN+0.3 300 -30~+80 -40~+125 Units V mA V mW C C Note: The total of IOUT's must be less than Pd / (VIN-VOUT1) + Pd / (VIN-VOUT2) Electrical Characteristics ILC7262 COMMON CHARACTERISTICS TA = 25C. Parameter Supply Current Input Voltage Symbol ISS VIN Conditions VIN = 6.0V Min Typ 2.2 Max 6.0 10.0 Units A V Electrical Characteristics ILC7262 VOUT SECTION: VOUT(T) = 5.0V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUTmax VOUT Vdif VOUT VIN * VOUT VOUT Topr * VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN =6.0V, VOUT > 4.5V VIN = 6.0V, 1mA < IOUT < 100mA IOUT = 100mA IOUT = 200mA IOUT = 40mA 6.0V < VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min 4.90 250 Typ 5.0 40 120 380 0.2 100 Max 5.10 80 300 600 0.3 Units V mA mV mV %/V ppm/C Note: 1. VOUT means the output voltage when "VOUT + 1.0V" is provided at the VIN pin while maintaing a certain IOUT value. 2. Vdif is defined as "VIN-VOUT" where VOUT = VSET x 0.98. Impala Linear Corporation ILC7262 1.0 (408) 574-3939 www.impalalinear.com June 1996 2 Dual CMOS LDO Electrical Characteristics ILC7262 VOUT2 SECTION: VOUT(T) = 3.3V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUTmax VOUT Vdif VOUT VIN * VOUT VOUT Topr * VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN = 6.0V, VOUT > 2.97V VIN = 6.0V, 1mA < IOUT < 80mA IOUT = 80mA IOUT = 160mA IOUT = 40mA 6.0V< VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min 3.234 165 Typ 3.30 45 180 400 0.2 100 Max 3.37 90 360 700 0.3 Units V mA mV mV %/V ppm/C Electrical Characteristics ILC7262 VOUT2 SECTION: VOUT(T) = 3.0V, TA = 25C Parameter Output Voltage Maximum Output Current Load Stability Input/Output Voltage Differential Input Stability Output Voltage Temperature Characteristics Symbol VOUT IOUTmax VOUT Vdif VOUT VIN * VOUT VOUT Topr * VOUT Conditions IOUT = 40mA, VIN = 6.0V VIN = 6.0V, VOUT > 2.7V VIN = 6.0V, 1mA < IOUT < 80mA IOUT = 80mA IOUT = 160mA IOUT = 40mA 6.0V< VIN < 10.0V IOUT = 40mA -30C < Topr < 80C Min 2.94 150 Typ 3.0 45 180 400 0.2 100 Max 3.06 90 360 700 0.3 Units V mA mV mV %/V ppm/C Impala Linear Corporation ILC7262 1.0 (408) 574-3939 www.impalalinear.com June 1996 3 Dual CMOS LDO Typical Performance Characteristics General conditions for all curves OUTPUT VOLTAGE vs OUTPUT CURRENT ILC7262CM 3.0V SECTION 3.1 OUTPUT VOLTAGE VOUT(V) VIN = 4.0V VDO vs OUTPUT CURRENT ILC7262CM 3.0V SECTION 0.6 0.5 Topr = 25C 3.0 VDO(V) Topr = -30C 80C 0.4 0.3 80C -30C 2.9 25C 0.2 0.0 2.8 0 20 40 60 80 100 120 140 160 OUTPUT CURRENT IOUT (mA) -0.2 0 20 40 60 80 100 120 140 160 OUTPUT CURRENT IOUT (mA) OUTPUT VOLTAGE vs INPUT VOLTAGE ILC7262CM 3.0V SECTION 3.2 OUTPUT VOLTAGE VOUT(V) 3.0 IOUT = 1mA Topr = 25C OUTPUT VOLTAGE vs INPUT VOLTAGE ILC7262CM 3.0V SECTION 3.2 OUTPUT VOLTAGE VOUT(V) 3.0 2.8 IOUT = 1mA Topr = 25C 2.8 40mA 2.6 2.4 2.2 2.5 3.0 INPUT VOLTAGE VIN (V) 3.5 10mA 2.6 2.4 2.2 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 INPUT VOLTAGE VIN (V) OUTPUT VOLTAGE vs INPUT VOLTAGE ILC7262CM 3.0V SECTION 3.01 OUTPUT VOLTAGE VOUT(V) 3.00 2.99 40mA LINE TRANSIENT RESPONSE ILC7262CM 5.0V SECTION 8.0 IOUT = 10mA Input Voltage VIN = 4.0V IOUT = 10mA 7.5 7.0 6.5 (V) 6.0 5.5 Output Voltage 2.98 2.97 2.96 2.95 2.94 -40 -20 0 20 40 60 80 100 Topr(C) 5.0 4.5 4.0 -1 0 1 TIME (ms) 2 3 Impala Linear Corporation ILC7262 1.0 (408) 574-3939 www.impalalinear.com June 1996 4 |
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