![](/html/Chinfa/10219/page2.png)
CIRCUIT SCHEMATIC
TDD15 SERIES
SINGLE & DUAL OUTPUT
Block diagram for TDD15 series with single output
Vi +
Switching
Device
Rectifier
Vi -
PWM
Controller
Opto -
Isolation
Reference &
Error Amp.
Vo +
Vo -
Block diagram for TDD15 series with dual output
Vi +
Switching
Device
Rectifier
Rectifier
Vi -
PWM
Controller
Opto -
Isolation
Reference &
Error Amp.
Vo +
com
Vo -
www.chinfa.com
2007.08.30
sales@chinfa.com