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APL5320-18B

Description
Ultra-Low-Noise, High PSRR, Low-Dropout, 300mA Linear Regulator
File Size411KB,25 Pages
ManufacturerAnpec
Websitehttp://www.anpec.com.tw/
Download Datasheet View All

APL5320-18B Overview

Ultra-Low-Noise, High PSRR, Low-Dropout, 300mA Linear Regulator

APL5320
Ultra-Low-Noise, High PSRR, Low-Dropout, 300mA Linear Regulator
Features
Wide Operating Voltage: 2.5~6V
Low Dropout Voltage: 290mV @ 3V/300mA
Fixed Output Voltages: 1.2~3.7V with Step 100mV,
and 2.85V, 4.75V
Guaranteed 300mA Output Current
High PSRR: 70dB
Current-Limit Protection
Controlled Short-Circuit Current: 50mA
Over-Temperature Protection
Stable with 1µF Capacitor for Any Load
Excellent Load/Line Transient
SOT-23-5, TSOT-23-5, SOT-23-3, SC-70-5,
VTDFN1.2x1.6-4, and TDFN1.6x1.6-6 Packages
Lead Free and Green Devices Available
(RoHS Compliant)
General Description
The APL5320 is a P-channel low dropout linear regulator
which needs only one input voltage from 2.5 to 6V, and
delivers current up to 300mA to set output voltage. It also
can work with low ESR ceramic capacitors and is ideal for
using in the battery-powered applications such as note-
book computers and cellular phones. Typical dropout volt-
age is only 290mV at 300mA loading.
The APL5320 provides several versions of fixed output
voltages ranging from 1.2 to 3.7V with step 100mV and
2.85V, 4.75V. Current-limit with current foldback and ther-
mal shutdown functions protects the device against cur-
rent over-loads and over-temperature. The APL5320 is
available in SOT-23-5, TSOT-23-5, SOT-23-3, SC-70-5,
VTDFN1.2x1.6-4, and TDFN 1.6x1.6-6 packages.
Pin Configuration
VIN 1
GND 2
SHDN 3
5 VOUT
4 NC
Applications
Cellular Phones
Portable and Battery-Powered Equipments
Laptops, Palmtops, Notebook Computers
Wireless LANs
Portable Information Appliances
GPSes
SOT23-5/TSOT-23-5/SC-70-5
(Top View)
GND 1
3 VIN
VOUT 2
SOT-23-3
(Top View)
Simplified Application Circuit
VOUT 1
V
IN
VIN
VOUT
V
OUT
4 VIN
3 SHDN
GND 2
SHDN
1
NC
2
VIN
3
6
GND
5
NC
4
VOUT
SHDN
GND
Enable
VTDFN1.2x1.6-4
(Top View)
TDFN1.6x1.6-6
(Top View)
= Exposed Pad (connected to ground
plane for better heat dissipation)
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.
Rev. A.9 - Mar., 2012
1
www.anpec.com.tw
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