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Data Sheet

Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing Limited

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120

General Description

The AP2120 series are positive voltage regulator ICs

fabricated by CMOS process. Each of these ICs con-

sists of a voltage reference, an error amplifier, a resis-

tor network for setting output voltage, a current limit

circuit for current protection.

The AP2120 series feature high supply voltage ripple

rejection, low dropout voltage, low noise, high output

voltage accuracy, and low current consumption which

make them ideal for use in various battery-powered

devices.

The AP2120 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,

2.8V, 3.0V, 3.2V, 3.3V, 3.6V, 4.0V and 5.0V versions.

The AP2120 are available in standard SOT-23, SOT-89

and TO-92 packages.

Features

· Low Dropout Voltage at I

OUT

=100mA: 200mV

Typical (Except 1.2V, 1.3V and 1.5V Versions)

· Low Quiescent Current: 25μA Typical

· High Ripple Rejection: 65dB Typical （f=1kHz）

· Output Current: More Than 150mA (250mA

Limit)

· Extremely Low Noise: 15μVrms@V

OUT

=1.2V,

1.3V, 1.5V (10Hz to 100kHz)

· Excellent Line Regulation: 4mV Typical

· Excellent Load Regulation: 12mV Typical

· High Output Voltage Accuracy: ±2%

· Excellent Line Transient Response and Load

Transient Response

· Compatible with Low ESR Ceramic Capacitor (as

Low as 1μF)

Applications

· Mobile Phones, Cordless Phones

· Wireless Communication Equipment

· Portable Games

· Cameras, Video Recorders

· Sub-board Power Supplies for Telecom Equip-

ment

· Battery Powered Equipment

Figure 1. Package Types of AP2120

SOT-23

TO-92 (Bulk Packing)

TO-92 (Ammo Packing)

SOT-89

1 2 3 4 5 6 ... 26 27

Podsumowanie treści

Strona 1

Data Sheet1Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 2 - Pin Description

Data Sheet10Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 3 - Functional Block Diagram

11BCD Semiconductor Manufacturing Limited HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Data

Strona 4 - Ordering Information

Data Sheet12Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 5

13BCD Semiconductor Manufacturing Limited HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Data

Strona 6

Data Sheet14Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 7 - Electrical Characteristics

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Strona 8

Data Sheet16Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 9

17BCD Semiconductor Manufacturing Limited HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120 Data

Strona 10 - Data Sheet

Data Sheet18Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 11 -

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Strona 12

Data Sheet2Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 13

Data Sheet20Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 14

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Strona 15

Data Sheet22Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 16

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Strona 17

Data Sheet24Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 18

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Strona 19

Data Sheet26Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 20

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Strona 21

Data Sheet3Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 22 - Typical Application

Data Sheet4Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 23 - SOT-23 Unit: mm(inch)

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Strona 24 - Unit: mm(inch)

Data Sheet6Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 25 - Mar. 2013 Rev. 1. 4

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Strona 26 - TO-92 (Ammo Packing)

Data Sheet8Mar. 2013 Rev. 1. 4 BCD Semiconductor Manufacturing LimitedHIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Strona 27

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