ap2126k-3.3trg1 BCD Semiconductor Manufacturing Limited, ap2126k-3.3trg1 Datasheet

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ap2126k-3.3trg1

Manufacturer Part Number
ap2126k-3.3trg1
Description
300ma High Speed, Extremely Low Noise Cmos Ldo Regulator
Manufacturer
BCD Semiconductor Manufacturing Limited
Datasheet

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Part Number:
AP2126K-3.3TRG1
Manufacturer:
BCD
Quantity:
20 000
General Description
The AP2126 is a 300mA, positive Voltage regulator
ICs fabricated by CMOS process.
Each of AP2126 is equipped with a voltage reference,
an error amplifier, a resistor network for setting output
voltage, a chip enable circuit, a current limit circuit and
OSTD (over temperature shut down) circuit to prevent
the IC from over current and over temperature.
The AP2126 has features of high ripple rejection, low
dropout voltage, low noise, high output voltage
accuracy, and low current consumption which make it
ideal for use in various battery-powered apparatus.
AP2126 has 3.3V fixed voltage version. It is available
in SOT-23-5 Package.
Jun. 2008 Rev. 1.1
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
Figure 1. Package Type of AP2126
SOT-23-5
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Features
Applications
Low Dropout Voltage: 170mV@300mA
High Output Voltage Accuracy: ±2%
High Ripple Rejection:
Low Standby Current: 0.1µA
Low Quiescent Current: 60µA Typical
Low Output Noise: 60µVrms
Short Current Limit: 50mA
Over Temperature Protection
Compatible with Low ESR Ceramic Capacitor:
1µF for C
Excellent Line/Load Regulation
Soft Start Time
Auto Discharge Resistance: R
Datacom
Notebook Computers
Mother Board
65dB@ f=1kHz, 45dB@ f=10kHz
BCD Semiconductor Manufacturing Limited
IN
and C
: 50µs
OUT
DS(ON)
Data Sheet
=60Ω
AP2126

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ap2126k-3.3trg1 Summary of contents

Page 1

... Compatible with Low ESR Ceramic Capacitor: 1µF for C IN Excellent Line/Load Regulation · · Soft Start Time Auto Discharge Resistance: R · Applications · Datacom Notebook Computers · Mother Board · SOT-23-5 Figure 1. Package Type of AP2126 BCD Semiconductor Manufacturing Limited 1 Data Sheet AP2126 and C OUT : 50µs =60Ω DS(ON) ...

Page 2

... GND Jun. 2008 Rev. 1.1 K Package (SOT-23- Shutdown 2 GND Figure 2. Pin Configuration of AP2126 (Top View) UVLO & Shutdown Logic V REF Figure 3. Functional Block Diagram of AP2126 2 Data Sheet NC V OUT Foldback Current Limit BCD Semiconductor Manufacturing Limited AP2126 VIN VOUT NC ...

Page 3

... AP2126 SOT-23-5 BCD Semiconductor's products, as designated with "G1" suffix in the part number, are RoHS compliant and Green. Jun. 2008 Rev AP2126 - Part Number Range Green AP2126K-3.3TRG1 o - Data Sheet G1: Green TR: Tape and Reel 3.3: Fixed Output 3.3V Marking ID ...

Page 4

... Value 450 OUT T 150 J T -65 to 150 STG T 260 LEAD R 250 θJA ESD 6000 ESD 300 Symbol Min -40 J BCD Semiconductor Manufacturing Limited 4 Data Sheet AP2126 Unit Max Unit ...

Page 5

... Max 98%* 102 OUT 450 0.6 0.06 170 300 =0mA 60 0.1 1 ± o ≤85 C 100 J 400 1 165 30 BCD Semiconductor Manufacturing Limited AP2126 Unit V OUT %/A %/V mV µ µ ppm µ s µ Vrms Ω Ω ...

Page 6

... Figure 7. Quiescent Current vs. Case Temperature 6 Data Sheet =125 100 150 200 250 Output Current (mA OUT V =4.3V, V =3.3V IN OUT - 100 o Case Temperature ( C) BCD Semiconductor Manufacturing Limited AP2126 300 =3.3V OUT 120 ...

Page 7

... OUT IN 3.0 2.5 2.0 1.5 1.0 0.5 0 100 120 Figure 11. Output Voltage vs. Input Voltage 7 Data Sheet I =10mA OUT µ =4.3V IN OUT IN - 100 o Case Temperature ( OUT I =300mA OUT Input Voltage (V) BCD Semiconductor Manufacturing Limited AP2126 120 6 ...

Page 8

... C) (Conditions OUT V Shutdown =C =1µF, IN OUT 8 Data Sheet Figure 13. Load Transient =C =1µF, V =4.4V OUT IN Figure 15. Soft Start Time (Conditions: I =0mA OUT 2V, V Shutdown OUT BCD Semiconductor Manufacturing Limited AP2126 =3.3V) OUT =1µF, OUT =3.3V) ...

Page 9

... HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR Typical Performance Characteristics (Continued) 100 I =10mA 90 OUT I =300mA 80 OUT ripple=1Vpp 100 1000 Frequency (Hz) Figure 16. PSRR vs. Frequency Jun. 2008 Rev µ =3.3V OUT OUT 10000 100000 9 Data Sheet BCD Semiconductor Manufacturing Limited AP2126 ...

Page 10

... HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR Typical Application 1µF V =3.3V OUT Jun. 2008 Rev. 1 AP2126 Shutdown IN GND Figure 17. Typical Application of AP2126 10 Data Sheet V OUT C OUT 1µF BCD Semiconductor Manufacturing Limited AP2126 V OUT ...

Page 11

... HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR Mechanical Dimensions 2.820(0.111) 3.020(0.119) 0.950(0.037) 1.800(0.071) 2.000(0.079) Jun. 2008 Rev SOT-23-5 0.200(0.008) 0.300(0.012) 0.400(0.016) BCD Semiconductor Manufacturing Limited 11 Data Sheet AP2126 Unit: mm(inch) 0.100(0.004) 0.200(0.008) 0° 8° ...

Page 12

... BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or 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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