RT7272B
Typical Application Circuit
RT7272B
BOOT
V
2
1
IN
8
VIN
4.5V to 36V
C
C
B
100nF
IN
10µF x 2
L
3
7
SW
V
OUT
EN
Enable
RLIM
R1
R2
RLIM
5
6
C
OUT
FB
R
179k
L
C
C
R
C
4, 9 (Exposed Pad)
COMP
GND
Table 1. Suggested Component Values
VOUT (V)
R1 (k)
47
R2 (k)
3.35
3
RC (k)
47
L (H)
10
CC (nF)
2.7
COUT (F)
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
12
8
27
36
8.2
2.7
5
62
11.8
24
24
6.8
2.7
3.3
2.5
1.2
75
16
4.7
2.7
25.5
30
12
12
3.6
2.7
6.8
60
2.2
2.7
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6
DS7272B-05 June 2015