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| SI9138 Datasheet, PDF (10/14 Pages) Vishay Siliconix – Multi-Output, Individual On/Off Control Power-Supply Controller | |||
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Si9138
Vishay Siliconix
TIMING DIAGRAMS
VIN
VL
RESET
VREF
OSC EN
(Sysmon EN)
OSC
DH
DL
fmax (SS)
New Product
[ V (VL)
4V
3.4 V
VIN is removed
LDO Deactivated after
VIN is removed
Oscillator disabled
www.vishay.com
10
FIGURE 4. Power Off Sequence
Document Number: 71446
S-20642âRev. B, 13-May-02
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