Datasheet > AP2138N-4.0TRG1

AP2138N-4.0TRG1

更新时间： 2024-11-05 12:26:47

品牌	Logo	应用领域
BCDSEMI		/
页数	文件大小	规格书
25页	988K
描述
ULTRA LOW QUIESCENT CURRENT CMOS LDO

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AP2138N-4.0TRG1 数据手册

Data Sheet

ULTRA LOW QUIESCENT CURRENT CMOS LDO

AP2138/2139

General Description

Features

The AP2138/2139 series are CMOS-based positive

voltage regulator ICs. Each of these ICs consists of a

voltage reference, an error amplifier, a resistor network

for setting output voltage and a current limit circuit for

current protection.

Ultra-low Quiescent Current: 1.0μA Typical

Output Voltages: 1.2V, 1.4V, 1.5V, 1.8V, 2.5V,

2.8V, 3.0V, 3.3V, 3.6V and 4.0V

High Output Voltage Accuracy: ±2%

Output Current: 250mA

Low Dropout Voltage:

The difference between AP2138 and AP2139 is the

AP2139 has an enable circuit with a quick discharge

function.

25mV Typical at I

=10mA and V

=3V

OUT

200mV Typical at I

=100mA and V

=3V

OUT

Line Regulation: 6mV Typical

Load Regulation: 25mV Typical

Low Output Voltage Temperature Coefficient:

These ICs feature high output voltage accuracy,

extremely low quiescent current and low dropout volt-

age which make them ideal for use in various power

sources for portable applications.

±100ppm/ C

Low Standby Current: 0.1μA Typical (AP2139)

Active Quick Output Discharge (AP2139)

Logic-controlled Enable (AP2139)

The AP2138/2139 series have 1.2V, 1.4V, 1.5V, 1.8V,

2.5V, 2.8V, 3.0V, 3.3V, 3.6V and 4.0V fixed output

voltage versions.

Applications

The AP2138 series is available in SOT-23-3 and SOT-

89 packages, AP2139 series is available in SOT-23-5

package.

Battery Powered Equipment

Reference Voltage Sources

Cameras, Video Cameras

Portable AV Systems

Mobile Phones

Communication Tools

Portable Games

SOT-23-5

SOT-89

SOT-23-3

Figure 1. Package Types of AP2138/2139

Jul. 2012 Rev. 2. 3

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...25

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