EL7564C Elantec Semiconductor, EL7564C Datasheet - Page 14
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EL7564C
Manufacturer Part Number
EL7564C
Description
Monolithic 4 Amp DC:DC Step-down Regulator
Manufacturer
Elantec Semiconductor
Datasheet
1.EL7564C.pdf
(18 pages)
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EL7564C
Monolithic 4 Amp DC:DC Step-down Regulator
3. External Soft Start
An external soft start can be combined with auxilliary
supply tracking to provide desired soft start other than
internally preset soft start (Figure 5). The appropriate
start-up time is:
V
IN
R
C
Figure 5. External Soft Start
10
1
2
6
7
8
9
STP
STN
EL7564C
14
+
-
20
19
15
14
13
12
11
t
s
=
R
C
V
OUT
---------
V
V
IN
O