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600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR General Description
The AP2315 is a series of low dropout three-terminal regulators with a dropout of 1.1V at 600mA output current. This product has been optimized for low voltage where transient response and minimum input voltage are critical. The AP2315 provides current limit and thermal shutdown. Its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within 1%. On-chip thermal shutdown provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. The AP2315 is available in 2.5V and 3.3V versions. The fixed versions integrate the corresponding resistor divider. The AP2315 is available in the industry standard SOT89-3 power package.
Data Sheet AP1117M AP2315
Features
* * * * * * * * Low Dropout Voltage: 1.1V at 600mA Output Current Output Noise from 10Hz to 10KHz: 0.003% of VOUT PSRR at IOUT=300mA and f=120Hz: 75dB Output Voltage Accuracy: 1% On-chip Thermal Shutdown Maximum Quiescent Current: IQMAX=5mA ESD (Human Body Model): 3.5KV Operation Junction Temperature: -40 to 125oC
Applications
* * * * * DVD/CD-ROM USB Device Add-on Card DVD Player PC Motherboard
SOT-89-3
Figure 1. Package Type of AP2315
Apr. 2007 Rev. 1. 1 1
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Pin Configuration
Data Sheet AP1117M AP2315
R Package (SOT-89-3)
3
INPUT
2
GND (TAB)
1
OUTPUT
Figure 2. Pin Configuration of AP2315 (Top View)
Apr. 2007 Rev. 1. 1 2
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Functional Block Diagram
Data Sheet AP1117M AP2315
3
INPUT
Thermal Protection
+
1
OUTPUT
2
GND (TAB)
Figure 3. Functional Block Diagram of AP2315
Apr. 2007 Rev. 1. 1 3
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Ordering Information
Data Sheet AP1117M AP2315
AP2315 Circuit Type Package R: SOT-89-3
E1: Lead Free TR: Tape and Reel 2.5: Fixed Output 2.5V 3.3: Fixed Output 3.3V
Package
Temperature Range
Part Number AP2315R-2.5TRE1 E27E E27F
Marking ID
Packing Type Tape & Reel Tape & Reel
SOT-89-3
-40 to 125oC AP2315R-3.3TRE1
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Apr. 2007 Rev. 1. 1 4
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Absolute Maximum Ratings (Note 1)
Parameter Input Voltage Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec) Thermal Resistance (Note 2) ESD (Human Body Model) ESD (Machine Model) Symbol VIN TJ TSTG TLEAD JA ESD ESD SOT-89-3 3500 350 Value 15 150 -65 to 150 260 165
Data Sheet AP1117M AP2315
Unit V
o o o
C C C
oC/W
V V
Note 1: Stresses greater than 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 under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Note 2: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the junction-to-ambient thermal resistance, JA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD(max)=(TJ(max) TA)/JA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
Recommended Operating Conditions
Parameter Input Voltage Operating Junction Temperature Range Symbol VIN TJ -40 Min Max 12 125 Unit V
o
C
Apr. 2007 Rev. 1. 1 5
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Electrical Characteristics
Data Sheet AP1117M AP2315
Operating Conditions: VIN10V, TJ=25oC, unless otherwise specified. (Pmaximum power dissipation) Limits appearing in Boldface type apply over the entire junction temperature range for operation, -40oC to 125oC
Parameter Symbol Conditions AP2315-2.5 IOUT=10mA, VIN=4.5V, TJ=25oC 10mAIOUT600mA, 3.9V VIN 10V AP2315-3.3 IOUT=10mA, VIN=5.0V, TJ=25oC 10mAIOUT 600mA, 4.75VVIN10V AP2315-2.5 IOUT=10mA, 1.5VVIN-VOUT10V AP2315-3.3 IOUT=10mA, 1.5VVIN-VOUT10V AP2315-2.5 (VIN-VOUT)=2V, 10mAIOUT600mA AP2315-3.3 (VIN-VOUT)=2V, 10mA IOUT600mA VOUT=1%, IOUT=0.6A (VIN-VOUT)=2V VIN=VOUT+1.25V f=120Hz, COUT=22F (VIN-VOUT)=3V, IOUT=300mA TA=125oC, 1000hrs. 60 75 0.5 0.3 0.003 150 25 0.75 Min 2.475 2.450 3.267 3.235 Typ 2.5 2.5 3.3 3.3 1 1 1 1 1.1 0.9 5 Max 2.525 2.550 3.333 3.365 6 6 10 10 1.3 Unit V V mV mV mV mV V A mA dB % % %
oC o
Output Voltage
VOUT
Line Regulation
VOUT
Load Regulation
VOUT
Dropout Voltage Current Limit Quiescent Current Ripple Rejection Temperature Stability Long-Term Stability RMS Output Noise (% of VOUT) Thermal Shutdown Thermal Shutdown Hysteresis
VDROP ILIMIT IQ PSRR
TA=25oC, 10Hzf10KHz Junction Temperature
C
Apr. 2007 Rev. 1. 1 6
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Typical Performance Characteristics
Data Sheet AP1117M AP2315
15
20
10
15
Load Regulation (mV)
Line Regulation (mV)
5
10
0
5
-5
0
-10
-5
-15 -40
-20
0
20
40
60
80
o
100
120
140
-10 -40
-20
0
20
40
60
80
o
100
120
140
Junction Temperature ( C)
Junction Temperature ( C)
Figure 4. Line Regulation vs. Junction Temperature
Figure 5. Load Regulation vs. Junction Temperature
3.400 3.375 3.350 3.325
1.40 1.35 1.30
Dropout Voltage (V)
AP2315-3.3 VIN=4.8V, IOUT=10mA
1.25 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70
Output Voltage (V)
3.300 3.275 3.250 3.225 3.200 3.175 3.150 3.125 3.100 -40 -20 0 20 40 60 80
o
TJ=-40 C TJ=0 C o TJ=25 C TJ=125 C
o o
o
100
120
140
0
100
200
300
400
500
600
Junction Temperature ( C)
Output Current (mA)
Figure 6. Output Voltage vs. Junction Temperature
Figure 7. Dropout Voltage vs. Output Current
Apr. 2007 Rev. 1. 1 7
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Typical Performance Characteristics (Continued)
Data Sheet AP1117M AP2315
5.0 4.5
1.2 1.1
SOT-89-3
4.0 3.5 3.0 2.5 2.0 1.5
1.0 0.9
Current Limit (A)
0.8 0.7 0.6 0.5 0.4 0.3
Power (W)
1.0 0.5 0.0 20
0.2 0.1 0.0 -40 -20 0 20 40 60 80
o
40
60
80
100
o
120
140
100
120
140
Case Temperature ( C)
Junction Temperature ( C)
Figure 8. Maximum Power Dissipation
Figure 9. Current Limit vs. Junction Temperature
0.2 VOUT (50mV/Div) IOUT (0.3A/Div) VOUT (0.1V/Div) 0.1 0 -0.1 5.8 VIN (0.5V/Div) 5.3 4.8 4.3 3.8
Time (20s/Div)
100 50 0 -50 0.6 0.3 0 0.01A -0.3 -0.6
Time (10s/Div)
Figure 10. Line Transient Response (Conditions: VIN=4.8 to 5.8V, VOUT=3.33V, IOUT=0.1A, CIN=1F, COUT=10F)
Figure 11. Load Transient Response (Conditions: VIN=4.8V, VOUT=3.33V, IOUT=0.01 to 0.6A, CIN=COUT=10F)
Apr. 2007 Rev. 1. 1 8
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Typical Performance Characteristics (Continued)
Data Sheet AP1117M AP2315
80
70
60
PSRR (dB)
50
40
30
20
10 10
100
1k
10k
100k
Frequency (Hz)
Figure 12. PSRR vs. Frequency
Apr. 2007 Rev. 1. 1 9
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Typical Application
Data Sheet AP1117M AP2315
VIN=5.3V + 10F VIN
AP2315-3.3 VOUT GND + 22F
3.3V at 0.6A
Figure 13. Typical Application of AP2315
Apr. 2007 Rev. 1. 1 10
BCD Semiconductor Manufacturing Limited
600mA LOW DROPOUT LINEAR REGULATOR 600mA LOW DROPOUT LINEAR REGULATOR Mechanical Dimensions SOT-89-3
Data Sheet AP1117M AP2315
Unit: mm(inch)
1.630(0.064) 1.830(0.072) 1.400(0.055)*
4.400(0.173) 4.600(0.181)
0.000(0.000) 0.076(0.003)
1.400(0.055) 1.600(0.063)
R0.200(0.008)
3.950(0.156) 4.250(0.167) 1.200(0.047) 0.900(0.035) 2.300(0.091) 2.600(0.102)
3
10
0.360(0.014) 0.520(0.020) 3.000(0.118)
0.360(0.014) 0.480(0.019) 0.440(0.017) 0.560(0.022)
0.360(0.014) 0.440(0.017)
3
10
R0.150(0.006)
Apr. 2007 Rev. 1. 1 11
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others.
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