TNY263-268

TOP VIEW

PI-2707-012901

Y1-

Capacitor

Opto-

coupler

D

EN/UV

BP

+

—

HV

+

— DC

Out

Input Filter Capacitor

Output Filter Capacitor

Safety Spacing

Maximize hatched copper

areas (

) for optimum

heat sinking

S

S

SEC

TinySwitch-II

PRI

T

r

a

n

s

f

o

r

m

e

r

Figure 17. Recommended Circuit Board Layout for TinySwitch-II with Under-Voltage Lock Out Resistor.

PC Board Cleaning

Power Integrations does not recommend the use of “no clean”

flux.

For the most up-to-date information visit the

PI website at: www.powerint.com.