Vishay Siliconix

SiP11203DB

Document Number: 74254

S-60997–Rev. A, 12-Jun-06

www.vishay.com

3

Figure 3. SiP11203 Demonstration Board Secondary Side Schematic

Figure 4. (a) Primary switching waveforms and the secondary switching waveforms. (b) The gate driving waveform and the secondary switching

waveform.

1.00 µS/DIV

(a)

Output of SiP11203

Driver (5 V/DIV)

Drain of Secondary

MOSFET (10 V/DIV)

Primary Switching

Waveform (20 V/DIV)

Primary Gate drive

Waveform (10 V/DIV)

Input of Pulse

Transformer

(10 V/DIV)

Output of Pulse

Transformer

(5 V/DIV)

Output of SiP11203

Driver (5 V/DIV)

Drain of Secondary

MOSFET (10 V/DIV)

1.00 µS/DIV

(b)