S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 13
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S1F76540MOC
Manufacturer Part Number
S1F76540MOC
Description
Charge Pump Type Dc/dc Converter
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.S1F76540MOC.pdf
(36 pages)
- Current page: 13 of 36
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5. FUNCTIONAL DESCRIPTION
5.6 Soft Start Circuit
the soft start period. During the soft start period, the VO output may not reach the electric potential that was
boosted sufficiently.
soft start period has been expired.
be placed near the IC pin so that the wiring is as short as possible.
10
The soft start circuit is used to minimize the peak value of the rush current at startup of the booster.
As shown in Fig.5.5, the maximum 200 ms (100mSec Typ.) after the input voltage VI has been input is set as
In this case, the electric potential of the VO output is boosted smoothly up to the specified voltage after the
[Notes on connecting the capacitor for stabilizing the input voltage]
To stabilize the input voltage VI, the capacitor (CI) to be connected between the V
Booster voltage VO
Stabilization output
V
REG
Input voltage VI
Regulator VI
Fig.5.5 Soft start operation
Soft start time
Typ. 100mSec
Max. 200mSec
EPSON
S1F76540M0C Series Technical Manual (Rev.1.0)
DD
and VI pins must
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