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AP7341

Document number: DS36523 Rev. 3 - 2

1 of 14

www.diodes.com

May 2014

ADVANCED I N F O R MATION

AP7341

300mA HIGH PSRR LOW NOISE LDO WITH ENABLE

Description

The AP7341 is low dropout regulator with high output voltage

accuracy, low R

DSON

, high PSRR, low output noise and low quiescent

current. This regulator is based on a CMOS process.

The AP7341 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 AP7341 is well suited for low power handheld communication

equipment.

The AP7341 is packaged in an X2-DFN1010-4 package and allows

for smallest footprint and dense PCB layout.

Features

 Low V

and Wide V

Range: 1.7V to 5.25V

 Guarantee Output Current,150mA

 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 1.2V to 3.3V

● Totally Lead-Free & and Fully RoHS Compliant (Note 1)

● Halogen and Antimony Free, Green Device (Note 2)

Pin Assignments

PIN1 – V

OUT

, PIN2 – GND, PIN3 – EN, PIN4 – V

Applications

 Smart Phone/Pad

 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

AP7341

GND

OUT

CIN

1.0uF

COUT

1.0uF

Figure 1 Typical Application Circuit

1 2 3 4 5 6 ... 13 14

Sommario

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