Typical Application - High Voltage Input ZVS Full-Bridge Converter
P1
VIN+
Q1
FQB6N50
Q2
T3
P0544
FQB6N50
C17
100pF
250V
COG
R18
10
4
5
6
3
5%
Q5
3
2
3
2
2512
Q6
BSS138LT1
BSS138LT1
1
1
R16
10.0k
R13
10.0k
R15
R14
4.99
0805
8
1
CR3
CR4
4.99
+
+
SS12
SS12
0805
15, 16
Ns
T1
C1-C4
33uF
450V
2
1,C
2, 3
CR5
+
+
R1
4.7k
5%
CSD10060G
13, 14
11, 12
P4
300 - 400
VDC
Np
RETURN
7,8
5,6
7,8
5,6
C13
0.1uF
CR6
2512
CSD10060G
Ns
1
3
1
3
Q9
6, 7
Q10
2
2
4
ZXTDB2M832
R2
4.7k
5%
ZXTDB2M832
L1
9, 10
+
PB2020.103
4
2
C18
1uF
100V
1210
R28
10.0k
2512
1,C
2512
+
C19
1uF
C20
C21
470uF
63V
470uF
63V
R3
4.7k
5%
100V
1210
P3
Q4
FQB6N50
+ Vout
2512
(48V@10A)
7,8
5,6
7,8
5,6
C16
R19
10
100pF
250V
COG
1
1
3
2
4
2
4
2512
C12
1.0uF
Q3
C22
C23
FQB6N50
R17
10.0
4700pF
250VAC
SAFETY
4700pF
3
250VAC
SAFETY
Q8
ZXTDB2M832
P2
VIN-
Q7
ZXTDB2M832
8
7
U1
ISL6753
2
1
3
R27
3
1
10.0k
0805
T2
R11
VERR
VREF
SS
P8205
3.65k
R25
CTBUF
37.4k
0805
R21
R26
10.0k
0805
C15
220pF
CR1
3.74k
1206
RTD
VDD
BAV70
R8
R5
OUTLL
OUTLR
OUTUL
OUTUR
GND
RESDEL
CT
45.3k
100k
1206
R22
3.74k
1206
CR7
BAT54
R4
FB1
3
1
4.7k
5%
U2
PS2701-1P
R20
499
RAMP
CS
2512
4
3
1
2
2
R6
R24
100k
R9
C14
5.11k
499
4.7nF
2
3
Q11
1
R12
20.0k
MJD50
CR2
BAT54C
3
1
1
3
1
BIAS
VR2
BZX84-C6V8
U3
R29
20.0k
R30
20.0k
2
3
2
C6
R7A, B
180pF
3
1
18.7
R23
5% COG
C5
0.1uF
0805
1.10k
C10
C11
C8
1.0nF
C9
0.47uF
C7
VR1
R10
10.0k
0.1uF
0.1uF
47pF
BZX84-C12
INTERSIL [ Intersil ]
