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| SI9124 Datasheet, PDF (6/16 Pages) Vishay Siliconix – 500-kHz Push-Pull DC-DC Converter With Integrated Secondary Synchronous Rectification Control | |||
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Si9124
Vishay Siliconix
New Product
TIMING DIAGRAMS FOR MOS DRIVERS
SEC_SYNC
VCC
GND
OUTA
VCC
GND
OUTB
GND
OUTA
50%
Time
VCC
SEC_SYNC
50%
50%
Leading
td3
OUTB
Leading
td1
50%
Trailing
td2
VCC
GND
Trailing
td4
VCC
GND
Figure 3.
VOLTS
2 Vbe
GND
www.vishay.com
6
Hiccup
Time Out
Soft
Start
Over Current
Detected
t1
t2
Figure 4. Soft-Start, Hiccup Mode Operation
SS
Time
Document Number: 72099
S-03638âRev. B, 20-Mar-03
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