EL7563C Elantec Semiconductor, EL7563C Datasheet - Page 15

• Manufacturer Part Number: EL7563C
• Description: Monolithic 4 Amp DC:DC Step-down Regulator
• Manufacturer: Elantec Semiconductor

4. Start-up Delay
A capacitor can be added to the EN pin to delay the con-
verter start-up (Figure 6) by utilizing the pull-up current.
The delay time is approximately:
t
d
ms
10
1
2
6
7
8
9
=
STP
STN
1200
EL7563C
+
-
C
F
20
19
15
14
13
12
11
Figure 6. Start-up Delay
C
Monolithic 4 Amp DC:DC Step-down Regulator
15
V
OUT
t
d
TIME
V
V
IN
O
EL7563C