APL5546 查看數據表（PDF） - Anpec Electronics

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APL5546

Dual Channel 500mA/500mA Regulator + Reset IC

Anpec Electronics 

APL5546

Dual Channel 500mA/500mA Regulator + Reset IC

Features

General Description

• Low Quiescent Current : 110µA (No load)

• Low Dropout Voltage :

VDROP1=500mV@500mA

VDROP2=500mV@500mA

• Fixed Output Voltage :

VOUT1=3.3V/500mA

VOUT2=3.3V/500mA

• Stable with 4.7µF Output Capacitor

• Stable with Aluminum, Tantalum or Ceramic

Capacitors

• Built in Thermal Protection

• Fast Transient Response

• Short Setting Time

• SOP-8, SOP-8-P with Thermal Pad Packages

• Adjustment-free Reset Detection Voltage :

3.9V or 4.2V typ

• Easy to Set Delay Time from Voltage

Detection to Reset Release

Applications

• Optical Storage System

The APL5546 is a dual-channel regulator with reset

function (specific voltage monitoring), and internal de-

lay circuit, set to detect 3.9V or 4.2V. Maximum in-

put voltage is 6V, and both output1 and output2 can

deliver up to 500mA. The typical dropout voltage of

both channel is 500mV at 500mA loading. Design

with an internal P-channel MOSFET pass transistor,

the APL5546 maintains a low supply current. Other

features include, thermal-shutdown protection, current

limit protection to ensure specified output current. The

APL5546 come in miniature SOP-8 and SOP-8-P

packages.

Pin Configuration

SOP-8 (Top View) SOP-8-P( Top View)

V IN

1

VOUT1

2

Cd 3

VDET

4

8 CONT

V IN

1

7 GND

VOUT1

2

6 RESET Cd 3

5

VOUT2

VDET

4

8 CONT

7 GND

6 RESET

5

VOUT2

= Thermal Pad

(connected to GND plane for better heat

dissipation)

Ordering and Marking Information

APL5546 -

Lead Free Code

Handling Code

Temp. Range

Package Code

Detection Voltage

Package Code

K : SOP-8

KA : SOP-8-P

Temp. Range

C : 0 to 70°C I : -40 to 85°C

Handling Code

TR : Tape & Reel

Detection Voltage :

A : 3.9V

B : 4.2V

Lead Free Code

L : Lead Free Device

Blank : Original Device

APL5546 K / KA:

APL5546X

XXXXX

X

- Detection Voltage

XXXXX - Date Code

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.

Copyright © ANPEC Electronics Corp.

1

Rev. A.3- Jul., 2006

www.anpec.com.tw

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