RT6210
Typical Application Circuit
C
BOOT
100nF
D
BOOT
*
3.3V
R
BOOT
0
V
IN
C
IN
RT6210
Enable
EN
VIN
BOOT
SW
R
S
*
C
S
*
FB
R1
C
FF
*
R2
L1
C
OUT
D1*
V
OUT
SS
COMP GND
C
C
C
SS
0.1µF
C
P
R
C
* : Optional
Table 1. Suggested component selections for the application of 500mA load current for some common
output voltages
V
OUT
(V)
1
1.2
1.8
2.5
3.3
5
9
12
(Note)
R1 (k)
2.49
4.99
12.4
21
30.9
52.3
102
140
R2 (k)
10
10
10
10
10
10
10
10
L1 (H)
22
22
33
33
47
100
150
220
C
OUT
(F)
20
20
20
20
20
20
20
20
R
C
(k)
4.02
4.99
6.98
10
16
24
34.9
34.9
C
C
(nF)
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
C
P
(pF)
NC
NC
NC
NC
68
47
47
47
Note : For V
IN
< 17V & V
OUT
= 12V application, the snubber components need to be added (R
S
= 3.9Ω, C
S
= 1nF)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6210-01 February 2019
www.richtek.com
7
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