ap2122ak-3.3tre1 BCD Semiconductor Manufacturing Limited, ap2122ak-3.3tre1 Datasheet

ap2122ak-3.3tre1

Manufacturer Part Number

ap2122ak-3.3tre1

Description

High Speed, Extremely Low Noise Ldo Regulator

Manufacturer

BCD Semiconductor Manufacturing Limited

Datasheet

1.AP2122AK-3.3TRE1.pdf (20 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

AP2122AK-3.3TRE1

Manufacturer:

DIODES/美台

Quantity:

20 000

Current page: 1 of 20
Download datasheet (268Kb)

General Description

The AP2122 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 and a chip enable circuit .

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.

Mar. 2007 Rev. 1. 2

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

Figure 1. Package Type of AP2122

SOT-23-5

Features

Applications

Low Dropout Voltage at I

Typical (Except 1.5V Version)

Low Standby Current: 0.1µA Typical

Low Quiescent Current: 25µA Typical

High Ripple Rejection: 70dB Typical（f=10kHz）

Maximum Output Current: More Than 150mA

(300mA Limit)

Extremely Low Noise: 30µVrms (10Hz to

100kHz)

Excellent Line Regulation: 4mV Typical

Excellent Load Regulation: 12mV Typical

High Output Voltage Accuracy: ±2%

Excellent Line and Load Transient Response

Compatible with Low ESR Ceramic Capacitor (as

Low as 1µF)

Mobile Phones, Cordless Phones

MP3/4

Portable Electronic Devices

Cameras, Video Recorders

Sub-board Power Supplies for Telecom Equip-

ment

Battery Powered Equipment

BCD Semiconductor Manufacturing Limited

OUT

=100mA: 150mV

Data Sheet

AP2122

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