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| Si9139 Datasheet, PDF (13/17 Pages) Vishay Siliconix – Multi-Output, Individual On/Off Control Power-Supply Controller | |||
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TIMING DIAGRAMS
VIN
VL
RESET
VREF
OSC EN
(Sysmon EN)
OSC
DH
DL
fmax (SS)
New Product
Si9139
Vishay Siliconix
[ V (VL)
4V
3.4 V
VIN is removed
LDO Deactivated after
VIN is removed
Oscillator disabled
Document Number: 71841
S-22317âRev. A, 16-Dec-02
FIGURE 4. Power Off Sequence
www.vishay.com
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