AP2121NTRG1 datasheet, PDF - EEWORLD Datasheet

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AP2121NTRG1: DescriptionLDO Voltage Regulators HS Ext Low LDO Reg 0.2A 0.25V 25uA 70dB; Categorysemiconductor Power management; File Size646KB，29 Pages; ManufacturerDiodes Incorporated; Environmental Compliance

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LDO Voltage Regulators HS Ext Low LDO Reg 0.2A 0.25V 25uA 70dB

AP2121NTRG1 Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Diodes Incorporated
Product Category	LDO Voltage Regulators
RoHS	Details
Packaging	Cut Tape
Packaging	MouseReel
Packaging	Reel
Factory Pack Quantity	3000

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Data Sheet

HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR

General Description

The AP2121 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

(5-pin products only).

The AP2121 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 AP2121 series have 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,

2.8V, 2.85V, 3.0V, 3.2V and 3.3V versions.

The AP2121 are available in standard SOT-23-3, SOT-

23-5 and CSP-4 packages.

AP2121

Features

Low Dropout Voltage at I

OUT

=100mA: 150mV

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

Low Standby Current: 0.1μA Typical

Low Quiescent Current: 25μA Typical

High Ripple Rejection: 70dB Typical

（f=1kHz）

Output Current: More Than 200mA (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 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

SOT-23-3

SOT-23-5

CSP-4

Figure 1. Package Types of AP2121

Dec. 2012 Rev. 2. 6

BCD Semiconductor Manufacturing Limited

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