Datasheet > AP2201K2.6TR

AP2201K2.6TR

更新时间： 2024-02-07 17:56:40

品牌	Logo	应用领域
BCDSEMI		稳压器
页数	文件大小	规格书
12页	150K
描述
150mA RF ULDO REGULATOR

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AP2201K2.6TR 数据手册

Preliminary Datasheet

150mA RF ULDO REGULATOR

AP2201

General Description

Features

The AP2201 is a 150mA output current fixed voltage

regulator designed to provide very low noise (45µVrms

at 80Hz-100KHz), ultra low dropout voltage (typically

165mV at 150mA), very low quiescent current (1µA

maximum) and excellent power supply ripple rejection

(PSRR 75dB at 100Hz) in battery powered applica-

tions, such as handsets and PDAs and in noise sensitive

applications, such as RF electronics.

Up to 150mA Regulator Output

Low Quiescent Current

Low Dropout Voltage: V_D=165mV at 150mA

High Precision Output Voltage: ±1%

Output Noise: 45µVrms at 80Hz-100KHz

Good Ripple Rejection Ability: 75dB at 100Hz

and I_OUT=100µA

Tight Load and Line Regulation

Low Temperature Coefficient

Over Current Protection

Thermal Protection

Reverse-battery Protection

Zero Off-mode Current

Logic-controlled Enable

The AP2201 also features individual logic compatible

enable/shutdown control inputs, a low power shutdown

mode for extended battery life, over current protection,

over temperature protection, as well as reversed-bat-

tery protection.

The output capacitor of 1.0µF minimum and 2.2µF

minimum near its pin are recommended when C_BYPis

Applications

not used and when C_BYPis 470pF respectively. The

output capacitor should have 5Ω or less ESR, tantalum

or aluminium electrolytic capacitors are adequate.

Bypass capacitor is connected to the internal voltage

reference to quiet noise. Its recommended value is

from 470pF to 1nF. If output noise is not a major con-

cern and rapid turn-on is necessary, omit C_BYPand

Cellular Phones

Cordless Phones

Digital Still Cameras

Wireless Communicators

PDAs / Palmtops

leave BYP open.

PC Mother Board

Consumer Electronics

The AP2201 has 2.6V, 2.8V and 3.0V versions now.

The AP2201 is available in space saving 5-pin SOT-

23-5 package.

AP2201-2.8

V_IN=3.8V

V_OUT=2.8V

V_OUT

V_IN

V_OUT

V_IN

C_OUT

C_IN

1.0µF

BYP

GND

2.2µF

tantalum

C_BYP

470pF

SOT-23-5

Figure 1. Typical Application of AP2201

Figure 2. Package Type of AP2201

BCD Semiconductor Manufacturing Limited

Jun. 2005 Rev. 1. 0

12 3 4 5 6 7...12

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