SI9138 Datasheet, PDF (6/14 Pages) Vishay Siliconix – Multi-Output, Individual On/Off Control Power-Supply Controller

Si9138
Vishay Siliconix
TYPICAL WAVEFORMS
New Product
PWM Loading 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
PWM Unloading 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
Load
(1 A/div)
20.0 ms/div
PSM to PWM 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
Load
(1 A/div)
20.0 ms/div
PWM to PSM 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
Load
(1 A/div)
100 ms/div
PSM Operation 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
Load
(1 A/div)
100 ms/div
PWM Operation 5-V Converter
(V_IN = 10 V)
V_OUT
(100 mV/div)
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6
10.0 ms/div
Inductor Node
(L X5)
Inductor Current
(1A/div)
2.00 ms/div
Inductor Node
(L X5)
Inductor Current
(1A/div)
Document Number: 71446
S-20642—Rev. B, 13-May-02