78LXXS

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

6 of 6

www.unisonic.com.tw

QW-R101-057.C



APPLICATION CIRCUIT

UTC78LXXS

1

2

3

VoUT

VIN

C1

0.33

μF

C0

0.1

μF

Notes: 1. To specify an output voltage, substitute voltage value for "XX".

2. Bypass capacitors are recommended for optimum stability and transient response and should be located

as close as possible to the regulators.



TEST CIRCUIT

1

3

2

GND

OUTPUT

INPUT

R13

R17

R9

Z2

T12

T14

R19

R18

R12

R11

R10

R8

T8

T9

T13

T10

R14

T11

T5

T6

R5

T4

Z1

R15

T15

R16

R1

R2

R4

C1

R6

T7

T3

T1

T2

R3

R7

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.