RT6212A/B
Typical Application Circuit
RT6212A/B
3
5
6
2
VIN
V
BOOT
IN
C
0.1μF
BOOT
C
22μF
IN
V
OUT
LX
L
C
22μF
OUT
2.2μH
R1
12k
C
FF
Enable
EN
Open
4
FB
GND
R2
24k
1
Table 1. Recommended Components Selection (RT6212A/BHGJ6F)
VOUT (V)
5.0
R1 (k)
126
75
R2 (k)
24
CFF (pF)
10 to 22
10 to 22
10 to 22
10 to 22
--
L (H)
4.7
COUT (F)
22
22
22
22
22
22
22
3.3
24
3.6
2.5
51
24
3.6
1.8
30
24
2.2
1.5
21
24
2.2
1.2
12
24
--
2.2
1.0
6
24
--
2.2
Table 2. Recommended Components Selection (RT6212A/BHRGJ6F)
VOUT (V)
5.0
R1 (k)
133
R2 (k)
24
CFF (pF)
10 to 22
10 to 22
10 to 22
10 to 22
--
L (H)
4.7
COUT (F)
22
22
22
22
22
22
22
3.3
80.6
54.9
32.5
23.2
13.7
7.5
24
3.6
2.5
24
3.6
1.8
24
2.2
1.5
24
2.2
1.2
24
--
2.2
1.0
24
--
2.2
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6212A/B-05 July 2017
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
