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AP7343-285FS4-7B

Description
300mA HIGH PSRR LOW NOISE LDO WITH ENABLE
File Size1MB,18 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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AP7343-285FS4-7B Overview

300mA HIGH PSRR LOW NOISE LDO WITH ENABLE

AP7343
300mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
The AP7343 is a low dropout regulator with high output voltage
accuracy, low R
DS(ON)
, high PSRR, low output noise and low
quiescent current. This regulator is based on a CMOS process.
The AP7343 includes a voltage reference, error amplifier, current limit
circuit and an enable input to turn it on and off. With the integrated
resistor network fixed output voltage versions can be delivered.
With its low power consumption and line and load transient response,
the AP7343 is well suited for low power handheld communication
equipment.
The AP7343 is packaged in X2-DFN1010-4 (Type B) and SOT25
packages, allows for smallest footprint and dense PCB layout.
Pin Assignments
(Top View)
(Bottom View)
EP
X2-DFN1010-4 (Type B)
PIN1 – V
OUT
, PIN2 – GND, PIN3 – EN, PIN4 – V
IN
(Top View)
Features
Low V
IN
and Wide V
IN
Range: 1.7V to 5.25V
Guarantee Output Current: 300mA
V
OUT
Accuracy ±1%
Ripple Rejection 75dB at 1kHz
Low Output Noise, 60µVrms from 10Hz to 100kHz
Quiescent Current as Low as 35µA
V
OUT
Fixed 0.9V to 3.6V
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
V
IN
1
GND 2
EN 3
5 V
OUT
4 NC
SOT25
Applications
Smart Phone/Tablet
RF Supply
Cameras
Portable Video
Portable Media Player
Wireless Adapter
Wireless Communication
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free,"Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Applications Circuit
V
IN
V
IN
V
OUT
AP7343
V
OUT
C
IN
1μF
C
OUT
1μF
EN
GND
AP7343
Document number: DS37952 Rev. 4 - 2
1 of 18
www.diodes.com
November 2016
© Diodes Incorporated
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