RT6220
Typical Application Circuit
V
IN
5.2V to 23V
1
C
IN
10µF /
25V x 2
R
BYP
5.1
C
BYP
2.2µF / 10V
13
VIN
RT6220
EN
SW
8, 9, 15, 16
BOOT 10
R
B
2.2
C
B
0.1µF / 50V
L
2.2µH
C
FF
22pF
(Optional)
R
PGOOD
100k
V
CC
C
VCC
2.2µF / 10V
R1
22k
R2
3k
C
OUT
22µF /
6.3V x 3
V
OUT
5V/6A
V
SYS
5V
3 VBYP
2
VOUT 7
FB 12
PGOOD 4
VCC 11
PGND
AGND
5, 6, 14
Figure 1. Typical Application Circuit for V
OUT
= 5V
R
B
2.2
C
B
0.1µF / 50V
L
2.2µH
C
FF
4.7pF
(Optional)
R
PGOOD
100k
V
CC
C
VCC
2.2µF / 10V
R1
162k
R2
36k
C
OUT
22µF /
6.3V x 3
V
IN
4.5V to 23V
1
C
IN
10µF /
25V x 2
R
BYP
5.1
C
BYP
2.2µF / 10V
13
VIN
RT6220
EN
BOOT 10
SW
8, 9, 15, 16
V
OUT
3.3V/6A
V
SYS
5V
3 VBYP
2
VOUT 7
FB 12
PGOOD 4
VCC 11
PGND
AGND
5, 6, 14
Figure 2. Typical Application Circuit for V
OUT
= 3.3V
V
IN
4.5V to 23V
1
C
IN
10µF /
25V x 2
13
R
BYP
5.1
C
EN
0.1µF
3
C
BYP
2.2µF / 10V
2
5, 6, 14
VIN
RT6220
BOOT 10
R
B
2.2
C
B
0.1µF / 50V
L
1µH
C
FF
22pF
(Optional)
R
PGOOD
100k
V
CC
C
VCC
2.2µF / 10V
R1
20k
R2
30k
C
OUT
22µF /
6.3V x 4
Chip Enable
EN
SW
8, 9, 15, 16
V
OUT
1V/6A
V
SYS
5V
VOUT 7
FB 12
VBYP
PGOOD 4
VCC 11
PGND
AGND
Figure 3. Typical Application Circuit for V
OUT
= 1V
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS6220-10
December 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
