LD3117L-15-AE3-I-R datasheet(4/4 Pages) UTC

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LD3117

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 4

www.unisonic.com.tw

QW-R102-104.a



TYPICAL APPLICATION CIRCUIT

UTC

LD3117

VOUT

GND

VIN

10μF

1μF

VIN

VOUT



APPLICATION INFORMATION

A 10μF (or larger) capacitor is recommended between VOUT and GND for stability. The part may oscillate without

the capacitor. Any type of capacitor can be used, but not Aluminum electrolytics when operating below -25°C. The

capacitance may be increased without limit.

A 1μF capacitor (or larger) should be placed between VIN to GND.

LD3117 ADJUSTABLE

UTC

LD3117

VREF

10uF

1uF

VOUT

VIN

10uF

CR:10uF to improve ripple rejection

VOUT=VREF(1+R2/R1)+IADJ*R2

IADJ

VIN

VOUT

ADJ

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all UTC products described or contained herein.

UTC products are not designed for use in life support appliances, devices or systems where malfunction

of these products can be reasonably expected to result in personal injury. Reproduction in whole or in

part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to

make changes to information published in this document, including without limitation specifications and

product descriptions, at any time and without notice. This document supersedes and replaces all

information supplied prior to the publication hereof.

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