RT6258B/C
Pin Configuration
(TOP VIEW)
12 11 10
9
8
7
12 11 10
1
9
8
7
1
2
6
BOOT
LX
EN
6
BOOT
LX
EN
5
VIN
5
VIN
2
3
4
4
PGND
PGND
3
LX
LX
RT6258C
RT6258B
UQFN-12HL 3x3 (FC)
Typical Application Circuit
RT6258B
V
5
9
7
1
IN
PGOOD
V
VIN
PGOOD
4.5V to 23V
C
IN
R
BOOT
10µF x 2
BOOT
10
C
BOOT
V
CC
VCC
0.1µF
C
VCC
1µF
L
2, 3
10
V
OUT
LX
3.3V/8A
1µH
R
EN
VOUT
6
V
EN
C
10pF
EN
FF
C
OUT
R
1k
FF
1K
12
22µF x 4
FF
V
11
LDO3
LDO3
8
4
3.3V/100mA
AGND
PGND
C
4.7µF
LDO3
RT6258C
V
7
1
5
IN
PGOOD
BOOT
V
VIN
PGOOD
5.1V to 23V
C
IN
R
BOOT
10µF x 2
C
0.1µF
BOOT
10
11
V
V
CC
VCC
L
2, 3
10
C
1µF
V
OUT
5.1V/8A
VCC
LX
1µH
C
OUT
VOUT
R
EN
C
22µF x 4
6
FF
C
BUFF
EN
EN
R
10pF
FF
0.1µF
9
1K
FF
V
12
1k
LDO5
LDO5
5V/100mA
8
4
C
4.7µF
AGND
PGND
LDO5
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS6258B/C-02 October 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
