Datasheet > APL5933C

APL5933C

更新时间： 2022-10-12 13:24:24

品牌	Logo	应用领域
茂达 - ANPEC		/
页数	文件大小	规格书
23页	445K
描述
3A, Ultra Low Dropout (0.19V Typical) Linear Regulator

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APL5933C 数据手册

APL5933A/B/C/D

3A, Ultra Low Dropout (0.19V Typical) Linear Regulator

Features

General Description

The APL5933A/B/C/D is a 3A ultra low dropout linear

regulator. The IC needs two supply voltages, one is a

control voltage (V_CNTL)for the control circuitry, the other is

a main supply Voltage(V_IN) for power conversion, to re-

duce power dissipation and provide extremely low drop-

out voltage.

Ultra Low Dropout

- 0.19V (Typical) at 3A Output Current

Low ESR output Capasitor (Milti-layer Chip

Capasitors (MLCC)) Applicable

0.8V Reference Voltage

High Output Accuracy

The APL5933A/B/C/D integrates many functions. A Power-

On-Reset (POR) circuit monitors both supply voltages on

V_CNTLand V_INpins to prevent erroneous operations. The

functions of thermal shutdown and current-limit protect

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

indicates that the output voltage status with a delay time

set internally. It can control other converter for power

sequence. APL5933A/B/C/D can be enabled by other

power systems. Pulling and holding the EN voltage be-

low 0.4V or ENB above 1.2V will shuts off the output.

The APL5933A/B/C/D 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.

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 (< 30mA )

BuiltinShutdown/EnableControlwithfloatinghigh/

low Function

Simple SOP-8P and TDFN3x3-10 Packages with

Exposed Pad

Lead Free and Green Devices Available

(RoHS Compliant)

Simplified Application Circuit

V_CNTL

Applications

V_IN

Motherboards, VGA Cards

VCNTL

VIN

POK

Notebook PCs

Add-in Cards

POK

VOUT

V_OUT

APL5933

A/B/C/D

GND

Enable

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.5 - Aug., 2017

12 3 4 5 6 7...23

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