SI9122 Vishay Siliconix, SI9122 Datasheet - Page 16

• Manufacturer Part Number: SI9122
• Description: 500-kHz Half-Bridge DC-DC Converter With Integrated Secondary Synchronous Rectification Drivers
• Manufacturer: Vishay Siliconix

36 − 72 V
AGND
GND
V
P1
P2
P3
1
1
1
IN
V
CC
470 kW
1
2
3
R3
JP1
SD
EN
1 MW
R2
FMMT493
35 kW
90 kW
1
Q1
R6
R1
3
2
C30
200 − 800 pF
R5
10 kW
2 kW
R7
4.7 mF
16 V
C10
R2
10 W
C11
1000 pF
3
2
1 mF
10 V
2 nF
C9
FZT953
PNP
1 MW
1
15 pF
C12
Q2
R27
470 pF
10 V
C29
10
1
2
3
4
5
6
7
8
9
V
REG_COMP
V
V
GND
ROSC
EP
V
CS1
CS2
IN
CC
REF
INDET
1
BAS19
CL_CONT
D1
4700 pF
PGND
BBM
SR
BST
SR
3
D
SS
C13
D
L
100 V
H
X
H
L
L
1 mF
C1
20
19
18
17
16
15
14
13
12
11
R8
5 kW
C8
0.1 mF
R9
27 kW
2 kW
2 kW
R10
R11
Si4486EY
Si4486EY
4
4
Q3
Q4
C14
4.7 nF
5.6
7, 8
1, 2, 3
5.6
7, 8
1, 2, 3
R12
0.02 W
1
/
2
W
D2
10MQ100N
D3
10MQ100N
V
V
L
SRH
SRL
V
EP
X
CC
IN
CC