Datasheet

LTC3723-1/LTC3723-2
16
372312f
L6 0.65µH
1µF
V
OUT
V
E
V
F
–V
OUT
–V
OUT
8.5V
100Ω
C4
3.3µF
50V
390pF
1µF
100Ω
2k
1/4W
Q1
D6
9.1V
C1, C2, C3
470µF
6.3V
×3
Si7892DP
×3
Si7892DP
×3
1
8
49
11
V
F
V
F
5
372312 TA02
V
OUT
–V
OUT
D1
470Ω
1W
D2
100k
1k
T2
1(1.5mH):0.5
T1
9T(150µH):9T:7T:1T:1T
••
0.1µF
330pF
C6
2.2nF
250V
+
C5
68µF
20V
+
12
11
8
7
10
9
2
4
5
6
3
1
22Ω
360Ω
L4
1mH
D4
D5
–V
OUT
V
OUT
330Ω
47Ω
0.68µF
D7
1µF, 100V TDK C3225X7R2A105M
C1-C3: SANYO 6TPB470M
C4: TDK C3225X7R1H335M
C5: AVX TPSE686M020R0150
C6: MURATA DE2E3KH222MB3B
D1, D2: DIODES INC. ES1A
D4, D5: BAS21
D6: MMBD5239B
D7: BAT54
L4: COILCRAFT DO1608C-105
L5: VISHAY IHLP-2525CZ-01
L6: PULSE PA1294.650
Q1: FZT690B
Q2: FMMT3904
R1, R2: IRC LRC-LR2512-01-R060-G
T1: EFD25 TRANSPOWER TTI8696
T2: PULSE PA0785
Q2
Si7450DPSi7450DP
80Ω
1W
100pF
200V
80Ω
1W
100pF
200V
470Ω
R1
0.06Ω
1.5W
R2
0.06Ω
1.5W
L5
1µH
1µF
100V
×3
1µF
100V
V
IN
V
IN
–V
IN
3
42610
6
5
18
1
9
14
13
7
12
16
8
3
11
5
15
6
5
1
2
V
OUT
10V
8.5V
787Ω
100Ω
220pF
4.99k
1/4W
270Ω
2.49k
0.022µF
47nF
–V
OUT
GND-F
V
+
GND-S
COLL REF
LT1431CS8
SYNC PV
CC
CSF
+
LTC3901EGN
MOC207
LTC3723EGN-1
V
REF
DPRGSSFBGNDR
LEB
SPRGC
T
DRVB SDRB
SDRA
COMP
V
CC
UVLO
DRVA CS
820Ω
150k
30k
5V
33k
10k
0.47µF
68nF
220pF
1µF
100Ω
1/4W
10V
66.5k
V
IN
5V
383k
75k
12
4.99k
CSF
–
14
8
4
10
13
MF
15
MF
6
V
E
4.99k
1/4W
CSE
+
5
4.99k
40.2k
CSE
–
GND PGND GND PGND
7
TIMER
2
ME
316
1
ME V
CC
1µF
••
••
•
165W, 36V to 72V to 3.3V at 50A Isolated Push-Pull Converter
TYPICAL APPLICATIO S
U