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| US1528_15 Datasheet, PDF (7/8 Pages) Unisonic Technologies – USB HIGH-SIDE POWER SWITCH ADVANCE INFORMATION | |||
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US1528
Preliminary
CMOS IC
 APPLICATIONS INFORMATION (Cont.)
In Figure 3, the soft start circuit is shown, and the soft start circuit can be utilized to meet USB transient
regulation specifications with large load capacitances (CBULK >10µF). The device will provide inrush current limiting
for these applications.
When hot-plug events occur, the soft start is used to eliminate the upstream voltage droop due to the inrush
current. The soft-start protects power supplies from damage caused by highly capacitive loads.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
7 of 8
QW-R502-457.b
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