APW7098
Typical Application Circuits (Cont.)
2. APW7098 PWM Converter With 12V Gate Drive
VIN
+12V
C4
10mF
2
BOOT1
5
MODE
Q1
1
UGATE1
PHASE1
L1
0.56mH
C5
0.1mF
21
22
VCCDRV
VCC
24
VOUT
1.2V
DCR=4mW
Q2
C13
1mF
C6
1200uFx3
C7
23
25
47mFx2
LGATE1
PGND
3
5VCC
IOCP=45A
C14
1mF
15
REFIN/EN
Q1 : APM4350KPx1
Q2 : APM4354KPx2
14
11
APW7098
SS
RT
C15
0.1mF
17
C8
10mF
BOOT2
C9
330mFx3
FOSC=300kHz
Q3
18
19
UGATE2
PHASE2
L2
0.56mH
C10
0.1mF
10
16
DROOP
R11
2kW
DCR=4mW
Q4
REFOUT/POK
20
LGATE2
C3
2.2nF
R5
1.5kW
6
7
C2
22nF
CSP1
CSN1
PHASE1
PHASE2
R4
2kW
12
13
COMP
FB
9
8
CSP2
CSN2
R7
1.5kW
C11
0.1mF
(X7R)
R2
1.5kW
C12
0.1mF
(X7R)
R3
51W
AGND
R1
R8
1.5kW
R6
1.5kW
4
1.5kW
C1
10nF
Copyright ã ANPEC Electronics Corp.
16
www.anpec.com.tw
Rev. A.6 - Oct., 2009
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
