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APL5308-15BI

Low IQ, Low Dropout 300mA Fixed Voltage Regulator

Anpec Electronics 

APL5308/9

Low IQ, Low Dropout 300mA Fixed Voltage Regulator

Features

• Low Quiescent Current : 60µA (No load)

• Low Dropout Voltage : 400mV (@300mA)

• Fixed Output Voltage : 1.5V ~ 4.5V by Step 0.1V

Increment

• Stable with Aluminum, Tantalum, or Ceramic

Capacitors

• No Protection Diodes Needed

• Built-in Thermal Protection

• Built-in Current-Limit Protection

• Controlled Short Circuit Current : 50mA

• Fast Transient Response

• Short Setting Time

• SOT-23-3, SOT-23-5, and SOT-89 Packages

• Lead Free and Green Devices Available

(RoHS Compliant)

Applications

• 5V to 3.3~4.5V Linear Regulators

• 3.3V to 1.5~2.5V Linear Regulators

• CD-ROM, CD-R/W, and DVD Player

• Networking System, LAN Card, ADSL/Cable

• Modem, Cable Set-Top Box

• PC Peripherals

General Description

The APL5308/9 series are micropower, low dropout lin-

ear regulators, which operate from 2.7V to 6V input volt-

age and deliver up to 300mA. Typical dropout voltage

is only 400mV at 300mA loading. Designed for use in

battery-powered system, the low 60µA quiescent cur-

rent makes it an ideal choice. Design with an internal P-

channel MOSFET pass transistor, the APL5308/9 maintain

a low supply current, independent of the load current and

dropout voltage. Other features include thermal-shut-

down protection current limit protection to ensure

specified output current and controlled short-circuit

current. The APL5308/9 regulators come in a minia-

ture SOT-23-3, SOT-23-5, and SOT-89 packages.

Pin Configuration

V IN

3

1

2

GND

3

1

2

GND VOUT

SOT-23-3 (Top View)

APL5308

V OUT

V IN

SOT-23-3 (Top View)

APL5309

NC NC

VOUT NC

5

4

123

GND VIN VOUT

SOT-23-5 (Top View)

APL5308

5

4

123

VIN GND NC

SOT-23-5 (Top View)

APL5309

TAB is V IN

TAB is GND

1

2

3

GND

V IN

V OUT

SOT-89 (Top View)

APL5308

1

2

3

VOUT GND

V IN

SOT-89 (Top View)

APL5309

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.10 - Dec., 2008

www.anpec.com.tw

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