RT7285C
5
DS7285C-03 July 2014
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Copyright 2014 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
V
OUT
(V)
R1 (k
Ω
) R2
(k
Ω
)
L (
μ
H)
C
OUT
(
μ
F) C
FF
(pF)
5 110 15 10 22 39
3.3 115 25.5 6.8 22 33
2.5 25.5 8.06 4.7 22 NC
1.2 10 10 3.6 22 NC
Table 1. Suggested Component Values
VIN
EN
GND
BOOT
FB
SW
4
3
5
6
1
L
3.6µH
100nF
22µF
R1
10k
R2
10k
V
OUT
1.2V
10µF
V
IN
4.3V to 18V
RT7285C
C
BOOT
C
IN
C
OUT
Enable
2
C
FF
