RT6226A/B/C
Pin Configuration
(TOP VIEW)
AGND
PGOOD
ILMT
VCC
BYP
FB
AGND
PGOOD
8
7
6
5
2
4
AGND
PGOOD
VOUT
VOUT
ILMT
12 11 10
9
8
7
6
5
12 11 10
9
8
7
6
5
12 11 10
BOOT
LX
NC
1
2
EN
VIN
PGND
BOOT
LX
NC
1
2
EN
VIN
PGND
BOOT
LX
NC
VCC
9
VCC
LDO
BYP
CLK
1
EN
VIN
PGND
4
3
4
3
3
RT6226A
RT6226B
RT6226C
UQFN-12HL 3x3
Simplified Application Circuit
RT6226A
PGOOD
V
IN
C
IN
V
CC
C
VCC
V
ILMT
V
EN
R
EN
VCC
LX
C
FF
(Optional)
R
FF
(Optional)
FB
EN
PGND
AGND
BYP
C
BYP
R
BYP
(Optional)
V
BYP
R2
R1
C
OUT
BOOT
VIN
R
BOOT
C
BOOT
L
V
OUT
V
PGOOD
RT6226B
PGOOD
V
IN
C
IN
V
CC
C
VCC
V
ILMT
V
EN
R
EN
VCC
LX
VOUT
ILMT
EN
PGND
AGND
BYP
C
BYP
R
BYP
(Optional)
BOOT
VIN
R
BOOT
C
BOOT
L
V
PGOOD
V
OUT
C
OUT
ILMT
V
BYP
V
SYS
D1
D2
C1
D3
C2
D4
V
CP
C3
C4
RT6226C
CLK
V
IN
C
IN
V
EN
V
CC
R
EN
C
VCC
V
LDO
C
LDO
LDO
EN
VCC
VIN
PGOOD
BOOT
R
BOOT
C
BOOT
LX
VOUT
PGND
AGND
C
BUFF
L
V
OUT
C
OUT
V
PGOOD
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS6226A/B/C-03
September 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
