RT7247AHGSP
Evaluation Board
UG7247AHGSP-00 July 2014
www.richtek.com
6
Schematic, Bill of Materials and Board Layout
EVB Schematic Diagram
GND
SOP-8(Exposed Pad)
U1
BS
1
VIN
2
SW
3
GN
D
4,
9
SS
8
EN
7
COMP
6
FB
5
L1
10uH
C10
0.1uF
TP2
SS
R4
100k
R5
NF
C
13
NF
C1
10uF
C2
10uF
C4
22uF
C8
NF
C7
3.3nF
C3
0.1uF
C5
22uF
R1
75k
R2
24k
R3
13k
C6
0.1uF
TP1
EN
C11
0.1uF
C9
NF
D2
NF
D1
NF
VOUT
GP3
GP4
GP1
GP2
GND
VIN
TP3
SW
GND
TP4
BS
C
12
NF
C1, C2: 10μF/50V/X5R, 1206, TDK C3216X5R1H106K
C4, C5: 22μF/16V/X5R, 1210, Murata GRM32ER61C226K
L1: 10μH TAIYO YUDEN NR8040T100M, DCR=34mΩ
