RT7241A
Typical Application Circuit
R
BOOT
(Optional)
RT7241A
2.2
12 VIN
BOOT 2
3, 4
V
IN
C
IN
4.7µF x 2
V
DD
R
PGOOD
100k
PGOOD
S3
S5
R
CS
165k
14
C
VDD
1µF
13
VDD
PHASE
C
BOOT
0.1µF
L
0.56µH
C
FF
100pF
R1
14.3k
R2
12k
V
DDQ
1.35V
C
VDDQ
22µF x 5
PGOOD
1 S3
18
S5
17
CS
15
FB 16
10, 11
PGND
VDDQ
VLDOIN
5
6
C
VTT
10µF
V
TT
GND
VTT 7
VTTSNS 9
8
VTTGND
Figure 1. Typical Application Circuit for V
OUT
= 1.35V
V
IN
C
IN
4.7µF x 2
R
BOOT
(Optional)
RT7241A
2.2
12 VIN
BOOT 2
3, 4
V
DD
R
PGOOD
100k
PGOOD
S3
S5
R
CS
165k
C
VDD
1µF
14 VDD
PHASE
C
BOOT
0.1µF
L
0.56µH
C
FF
100pF
R1
47.5k
R2
49.9k
V
DDQ
1.2V
C
VDDQ
22µF x 5
13
PGOOD
1 S3
18
S5
17
CS
15 GND
FB 16
10, 11
PGND
VDDQ 5
VLDOIN
6
C
VTT
10µF
V
TT
VTT 7
VTTSNS 9
8
VTTGND
Figure 2. Typical Application Circuit for V
OUT
= 1.2V
Copyright
©
2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7241A-02 January 2017
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
