RT7255
Typical Application Circuit
L
3.6μH
RT7255
V
1.2V
7
8
1
V
OUT
IN
VIN
SW
4.3V to 18V
C
10μF
IN
C
BOOT
1μF
BOOT
R1
C
C
22μF
FF
R
100k
OUT
PG
10k
5
6
2
PGOOD
EN
5V
4
3
FB
Enable
R2
10k
SS
GND
C
SS
10nF
Table 1. Suggested Component Values
VOUT (V)
R1 (k)
110
R2 (k)
15
L (H)
10
COUT (F)
CFF (pF)
5
22
22
22
22
39
33
3.3
2.5
1.2
115
25.5
8.06
10
6.8
25.5
10
4.7
NC
NC
3.6
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6
DS7255-01 November 2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
