RT6219
Typical Application Circuit
V
IN
5.2V to 23V
3
C
IN
10µF /
25V x 2
R
BYP
5.1
C
BYP
2.2µF /
10V
4
7
R
B
2.2
C
B
0.1µF / 50V
L
2.2µH
C
FF
22pF
R
PGOOD
100k
(Optional)
V
CC
C
VCC
2.2µF / 10V
R1
22k
R2
3k
C
OUT
22µF /
6.3V x 3
VIN
RT6219
EN
BOOT
SW
8, 9, 10
V
OUT
5V/4A
V
SYS
5V
2 VBYP
FB 5
PGOOD 1
VCC 6
11 (Exposed Pad)
PGND
Figure 1. Typical Application Circuit for V
OUT
= 5V
V
IN
5.2V to 23V
3
C
IN
10µF /
25V x 2
R
BYP
5.1
C
BYP
2.2µF /
10V
11 (Exposed Pad)
4
VIN
RT6219
EN
BOOT 7
R
B
2.2
C
B
0.1µF / 50V
L
2.2µH
C
FF
4.7pF
(Optional)
V
CC
C
VCC
2.2µF / 10V
R1
162k
R2
36k
C
OUT
22µF /
6.3V x 3
SW
8, 9, 10
V
OUT
3.3V/4A
V
SYS
5V
2
VBYP
FB 5
PGOOD 1
VCC 6
R
PGOOD
100k
PGND
Figure 2. Typical Application Circuit for V
OUT
= 3.3V
V
IN
5.2V to 23V
Enable
R
BYP
5.1
3
C
IN
10µF / 25V x 2
4
C
EN
0.1µF / 6.3V
2
C
BYP
2.2µF / 10V
11 (Exposed Pad)
VIN
RT6219
EN
BOOT 7
R
B
2.2
C
B
0.1µF / 50V
L
1µH
C
FF
22pF
R
PGOOD
100k
(Optional)
V
CC
C
VCC
2.2µF / 10V
R1
20k
R2
30k
C
OUT
22µF /
6.3V x 4
SW
8, 9, 10
V
OUT
1V/4A
V
SYS
5V
VBYP
FB 5
PGOOD 1
VCC 6
PGND
Figure 3. Typical Application Circuit for V
OUT
= 1V
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6219-06 January 2018
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
