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LT3752 Datasheet(PDF) 45 Page - Analog Devices

Part # LT3752
Description  Active Clamp Synchronous Forward Controllers with Internal Housekeeping Controller
PDF  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3752 Datasheet(HTML) 45 Page - Analog Devices

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LT3752/LT3752-1
45
Rev. C
For more information www.analog.com
TYPICAL APPLICATIONS
150V to 400V, 12V/16.7A, 200W Active Clamp Isolated Forward Converter
Efficiency vs Load Current
R4
95.3k
R5
40.2k
R3
2.94k
R6
13k
R7
100k
R8
124k
R9
78.7k
R23
22k
R24
22k
R10
22k
R11
10k
T1: CHAMPS LT80R2-12AC-3124005
T2: WÜRTH 750817020
T3: PULSE PE-68386NL
L1: COILCRAFT AGP2923-153
D1: CENTRAL SEMI CMR1U-10
D2, D3, D5: BAS516
D4: CENTRAL SEMI CMMR1U-02
R13
560
R28
3.16k
R27
100k
VAUX
SYNC
VIN
GND
FB
LT8311
PGOOD
R14
2k
R15
0.022
R18
0.15
R17
499
R35
374k
R36
374k
C10
4.7µF
C9
10µF
INTVCC
VAUX
INTVCC
M5
BSP300
D3
T2
D2
M1
IPD65R25OC6
IPD60R1K4C6
M3
M2
R25
100
R12
806
R26
1.2k
2.2nF
C2
0.47µF
C3
0.22µF
PS2801-1
C4
3.3nF
C5
4.7µF
C11
2.2µF
C13
33µF
16V
×4
C24
10nF
250V
VOUT
12V
16.7A
C14
330µF
16V
C12
4.7µF
C17
1µF
3752 TA03
C18
100pF
C19
22nF
C6 220pF
T3
C16
1µF
VAUX
INTVCC
INTVCC
SOUT
ISENSEN
ISENSEP
OUT
VIN
AOUT
HISENSE
HOUT
OC
R2
5.76k
R1
499k
R34
499k
UVLO_VSEC
LT3752-1
SYNC
RJK0653DPB
×2
T1
31:5
C20
10µF
D5
M4
FDMS86200
×3
R20
432k
R29
5.11k
L1
15µH
R30
100k
R31
11.3k
R21
100
D4
R22
100
R38
10k
R38
0.002
C27
120pF
+
•
•
•
•
•
•
•
D1
R16 4.2
C1
2.2µF
630V
VIN
150V TO
400V
GND
OVLO
HFB
CATHODE
ANODE
ACPL-W346
VEE
VOUT
VCC
C21
0.22µF
C8
47nF
630V
C15
10nF
630V
R19
402
C28
68pF
LOAD CURRENT (A)
0
96
95
94
93
92
90
89
91
88
85
87
86
5
2.5
3752 TA03a
17.5
10
12.5
15
7.5
VIN = 150V
VIN = 250V
VIN = 350V
VIN = 400V



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