UM609

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 5

www.unisonic.com.tw

QW-R105-047.a

TYPICAL APPLICATION CIRCUIT

-

Op Amp 2

Opto

Isolator

R1

SMPS

AC

Line

Current

Sense

R2

UTC UM609

-

Op Amp 1

Application of UTC UM609 in a Constant Current and Constant Voltage Charger

R6

R4

R5

R3

R7

Battery

Pack

R8

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. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.