AP2122 BCDSEMI [BCD Semiconductor Manufacturing Limited], AP2122 Datasheet
AP2122
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AP2122 Summary of contents
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... The AP2122 series feature high ripple rejection, low dropout voltage, low noise, high output voltage accu- racy, and low current consumption which make them ideal for use in various battery-powered devices. The AP2122 series have 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.2V and 3.3V versions. The AP2122 are available in standard SOT-23-5 pack- age. ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Pin Configuration Figure 2. Pin Configuration of AP2122 (Top View) Pin Description Pin Number Pin Name 1 V OUT 2 GND Sep. 2006 Rev Package (SOT-23- OUT GND Function ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Functional Block Diagram Sep. 2006 Rev VREF CURRENT LIMIT 4 Figure 3. Functional Block Diagram of AP2122 BCD Semiconductor Manufacturing Limited 3 Data Sheet AP2122 1 V OUT 2 GND ...
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... C Active High (Pull-down resistor built-in) AP2122AK-3.0TRE1 Active High (Pull-down resistor built-in) AP2122AK-3.2TRE1 Active High (Pull-down resistor built-in) AP2122AK-3.3TRE1 BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Sep. 2006 Rev ...
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... LEAD θ 250 JA ESD 2000 ESD 200 the junction-to-ambient thermal resistance, θ J(max), Symbol Min -40 J BCD Semiconductor Manufacturing Limited 5 Data Sheet AP2122 Unit and the ambient tem- JA, =(T - D(max) J(max) ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics AP2122-1.5 Electrical Characteristics o (V =2.5V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V IN Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-1.8 Electrical Characteristics o (V =2.8V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V IN Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-2.5 Electrical Characteristics o (V =3.5V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-2.8 Electrical Characteristics o (V =3.8V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V IN Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-3.0 Electrical Characteristics o (V =4V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-3.2 Electrical Characteristics o (V =4.2V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Electrical Characteristics (Continued) AP2122-3.3 Electrical Characteristics o (V =4.3V =1µF, C =1µF, Bold typeface applies over - OUT Parameter Symbol V Output Voltage OUT Input Voltage V Output Current I OUT V Load Regulation RLOAD V Line Regulation ...
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... Figure 5. Output Voltage vs. Output Current 3.50 3.25 3.00 2.75 2.50 AP2122-1.5 2.25 I =30mA OUT 2. Figure 7. Output Voltage vs. Input Voltage BCD Semiconductor Manufacturing Limited 13 Data Sheet AP2122 =3.3V IN =4V IN =6V IN 100 150 200 250 300 350 Output Current (mA) AP2122-3.0 I =30mA OUT Input Voltage (V) ...
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... Figure 9. Dropout Voltage vs. Output Current 3.10 3.08 3.06 3.04 3.02 3.00 2.98 2.96 AP2122-1.5 V =2.5V 2. =30mA 2.92 OUT 2.90 -25 75 100 125 o C) Figure 11. Output Voltage vs. Junction Temperature BCD Semiconductor Manufacturing Limited 14 Data Sheet AP2122 AP2122-3 120 160 200 Output Current (mA) AP2122-3 =30mA OUT 100 125 o Junction Temperature ( C) ...
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... AP2122-1 =2. =0mA 5 OUT 0 -25 75 100 125 o C) Figure 15. Supply Current vs. Junction Temperature BCD Semiconductor Manufacturing Limited 15 Data Sheet AP2122 AP2122-3.0 I =0mA OUT Input Voltage (V) AP2122-3 =0mA OUT 100 125 o Junction Temperature ( C) ...
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... V =1µF) OUT BCD Semiconductor Manufacturing Limited 16 Data Sheet AP2122 AP2122-3.0 Time (20µs/Div) Figure 17. Line Transient =30mA, C =1µF, C =1µF) OUT IN OUT AP2122-3.0 Time (200µs/Div) Figure 19. Load Transient =4V, C =1µF, C =1µ OUT ...
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... Sep. 2006 Rev 100 AP2122-1 =2. =30mA OUT µ OUT 100k 1M 10 Figure 21. PSRR vs. Frequency BCD Semiconductor Manufacturing Limited 17 Data Sheet AP2122 AP2122-3 =30mA OUT µ OUT 100 1k 10k 100k Frequency (Hz) ...
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... C IN 1µF Note: Filter capacitors are required at the AP2122's input and output. 1µF capacitor is required at the input. The minimum output capacitance required for stability should be more than 1µF with ESR from 0.01Ω to 100Ω. Ceramic capacitors are recommended. Figure 22. Typical Application of AP2122 Sep ...
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... HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR Mechanical Dimensions 2.820(0.111) 3.020(0.119) 0.950(0.037) 1.800(0.071) 2.000(0.079) Sep. 2006 Rev SOT-23-5 0.200(0.008) 0.300(0.012) 0.400(0.016) BCD Semiconductor Manufacturing Limited 19 Data Sheet AP2122 Unit: mm(inch) 0.100(0.004) 0.200(0.008) 0° 8° ...
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BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi- cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor ...