Datasheet > APL5934_18

APL5934_18

更新时间： 2022-02-26 09:35:06

品牌	Logo	应用领域
茂达 - ANPEC		/
页数	文件大小	规格书
24页	527K
描述
3A, Ultra Low Dropout (0.23V Typical) Linear Regulator

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APL5934_18 数据手册

APL5934

3A, Ultra Low Dropout (0.23V Typical) Linear Regulator

Features

General Description

The APL5934 is a 3A ultra low dropout linear regulator.

The IC needs two supply voltages, one is a control voltage

Ultra Low Dropout

- 0.23V(typical) at 3A Output Current

(V_CNTL) for the control circuitry, the other is a main supply

voltage (V_IN) for power conversion, to reduce power dissi-

pation and provide extremely low dropout voltage.

The APL5934/B integrates many functions. A Power-On-

Reset (POR) circuit monitors both supply voltages on

VCNTL and VIN pins to prevent erroneous operations.

The functions of thermal shutdown and current-limit pro-

tect the device against thermal and current over-loads. A

POK indicates the output voltage status with a delay time

set internally. It can control other converter for power

sequence. The APL5934/B can be enabled by other power

systems. Pulling and holding the EN/ENB voltage below

0.4V shut/enable off the output.

Low ESR Output Capacitor (Multi-layer

Chip Capacitors (MLCC)) Applicable

0.8V Reference Voltage

High Output Accuracy

- ±1.5% over Line, Load, and Temperature Range

Fast Transient Response

Adjustable Output Voltage

Power-On-Reset Monitoring on Both VCNTL and

VIN Pins

Internal Soft-Start

Current-Limit and Short Current-Limit Protections

Thermal Shutdown with Hysteresis

Open-Drain VOUT Voltage Indicator (POK)

Low Shutdown Quiescent Current

Shutdown/Enable Control Function

Simple SOP-8P and TDFN3x3-10 Packages with

Exposed Pad

The APL5934 is available in a SOP-8P package which

features small size as SOP-8 and an Exposed Pad to

reduce the junction-to-case resistance to extend power

range of applications.

Applications

Lead Free and Green Devices Available

(RoHS Compliant)

Front Side Bus VTT (1.2V/3A)

Note Book PC Applications

Motherboard Applications

Simplified Application Circuit

V_CNTL

VCNTL

VIN

POK

VOUT

APL5934

V_OUT

Enable

GND

Optional

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and

advise customers to obtain the latest version of relevant information to verify before placing orders.

www.anpec.com.tw

Rev. A.6 - Apr., 2018

12 3 4 5 6 7...24

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