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SI91860 Datasheet, PDF (5/8 Pages) Vishay Siliconix – 400-mA Smart Regulator for Network Interface Card
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TYPICAL WAVEFORMS
Load Transient Response-1
VOUT = 10 mV/div
Si91860
Vishay Siliconix
Load Transient Response-2
VOUT = 10 mV/div
IOUT = 100 mA/div
Input = 5 VIN or 5 VSB
IOUT = 1 to 150 mA
trise = 2 msec
M 5.00 ms
Load Transient Response-3
VOUT = 50 mV/div
IOUT = 100 mA/div
Input = 5 VIN or 5 VSB
IOUT = 150 to 1 mA
tFALL= 2 msec
M 5.00 ms
Load Transient Response-4
VOUT = 50 mV/div
IOUT = 200 mA/div
Input = 5 VIN or 5 VSB
IOUT = 0 to 400 mA
trise = 2 msec
M 5.00 ms
5 VIN Power Up (5 VSB = 5 V)
5 VSB
200 mV/div (offset = 5 V)
3.3 VOUT (100 mV/div)
IOUT = 200 mA/div
Input = 5 VIN or 5 VSB
IOUT = 400 to 0 mA
tFALL = 2 msec
M 5.00 ms
5 VIN Power Down (5 VSB = 5 V)
5 VSB
200 mV/div (offset = 5
V)
3.3 VOUT (100 mV/div)
5 VIN
500 mV/div (offset = 4.3 V)
5 VSB = 5 V
3.3 VAUX = 0 V
IOUT = 400 mA
Document Number: 71340
S-40704—Rev. B, 19-Apr-04
M 5.00 ms
5 VIN
500 mV/div (offset = 4.2 V)
5 VSB = 5 V
3.3 VAUX = 0 V
IOUT = 400 mA
M 5.00 ms
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