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AP7361

1A LOW DROPOUT ADJUSTABLE AND FIXED-MODE REGULATOR WITH ENABLE

Diodes Incorporated. 

NOT RECOMMENDED FOR NEW DESIGN - USE AP7361C

AP7361

1A LOW DROPOUT ADJUSTABLE AND FIXED-MODE REGULATOR WITH ENABLE

Description

The AP7361 is a 1A, adjustable and fixed output voltage, ultra-low

dropout linear regulator with enable. The device includes pass

element, error amplifier, band-gap reference, current limit and thermal

shutdown circuitry. The device is turned on when the EN pin is set to

logic high level.

The characteristics of the low dropout voltage and low quiescent

current make it suitable for low to medium power applications, for

example, laptop computers, audio and video applications, and battery

powered devices. The typical quiescent current is approximately

70µA. Built-in current-limit and thermal-shutdown functions prevent

IC from damage in fault conditions.

The AP7361 is available in U-DFN3030-8, SOT89-5, SOT223, TO252

and SO-8EP package.

Features

 Wide input voltage range: 2.2V - 6V

 150mV Very Low Dropout at 300mA Load

 500mV Very Low Dropout at 1A Load

 Low Quiescent Current (IQ): 70µA Typical

 Adjustable Output Voltage Range: 1V to 5.0V

 Fixed Output Options: 1V to 3.3V

 Very-Fast Transient Response

 High PSRR

 Accurate Voltage Regulation

 Current Limiting and Short Circuit Protection

 Thermal Shutdown Protection

 Stable with Ceramic Output Capacitor  2.2µF

 Ambient Temperature Range -40°C to +85°C

 U-DFN3030-8, SOT89-5, SOT223/SOT223R, TO252/TO252R

and SO-8EP

 Available in “Green” Molding Compound (No Br, Sb)

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Pin Assignments

(Top View)

OUT 1

NC 2

ADJ/NC 3

GND 4

GND

8 IN

7 NC

6 NC

5 EN

U-DFN3030-8

( Top View )

3

2

2

1

SOT223/SOT223R

( Top View )

3

2

1

TO252/TO252R

(Top View)

EN 1

5 OUT

GND 2

GND

ADJ/NC 3

4 IN

SOT89-5

(Top View)

OUT 1

EN 2

NC 3

GND 4

8 IN

7 NC

6 NC

5 NC

SO-8EP

Applications

 Servers and Laptops

 FPGA and DSP Core or I/O Power

 TV, and Home Electrical Appliances

 Battery-Powered Devices

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.

AP7361

Document number: DS33626 Rev. 11 - 3

1 of 22

www.diodes.com

March 2017

© Diodes Incorporated

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