LT3798IMSE-PBF Просмотр технического описания (PDF) - Linear Technology
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LT3798IMSE-PBF Datasheet PDF : 20 Pages
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LT3798
TYPICAL APPLICATION
112W Wide DC Input Industrial Power Supply
VIN
20V TO 60V
C2
10µF
TO
INTVCC
R4
24k
R5
402k
R6
51.1k
R7
R17
6.8k
D2 20Ω
R8
C4
6.8k
C5
15pF
10µF
D3
R13
15k
VIN
VIN_SENSE
EN/UVLO
LT3798
DCM
FB
R14
100k
R15
5.9k
1:1:0.8
D4
C6
Z1
22pF
D1
Z3
C10
10µF
D5
×4
R11
100k
R12
221k
R9
40.2k
R10
34.8k
VREF
CTRL3
CTRL2
CTRL1
OVP
GATE
SENSE
INTVCC
GND
VC
COMP+ COMP–
C3
0.1µF
R3
16.2k
C7, 22nF
C9
4.7µF
M1
RS
0.004Ω
C8
2.2nF
“Y1 CAP”
3798 TA04
C2: TDK C5750X7S2A106M
C8: VISHAY 440LD22-R
C10: MURATA GRM32ER7YA106KA12L
D1: DIODES INC. DFLS1150
D2, D3: DIODES INC. BAV20W
D4: ON SEMICONDUCTOR MBR20200CT
D5: DIODES INC. DFLS2100
M1: FAIRCHILD FDP2532
T1: WÜRTH ELEKTRONIK 750312872
Z1: DIODES INC. SMCJ60A
Z2: CENTRAL SEMICONDUCTOR CMZ59398
Z3: FAIRCHILD SMBJ170A
28V
4A
Z2
RELATED PARTS
PART NUMBER
DESCRIPTION
LT3799/LT3799-1
Offline Isolated Flyback LED Controller
with Active PFC
LT3748
100V Isolated Flyback Controller
LT3573/LT3574/LT3575
40V Isolated Flyback Converters
LT3511/LT3512
100V Isolated Flyback Converters
LT3757/LT3758
40V/100V Flyback/Boost Controllers
LT3957/LT3958
40V/100V Flyback/Boost Converters
LTC3803/LTC3803-3/LTC3803-5 200kHz/300kHz Flyback Controllers
LTC3805/LTC3805-5
Adjustable Frequency Flyback
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COMMENTS
No Opto-Coupler Required, TRIAC Dimmable, VIN and VOUT Limited Only by
External Components, MSOP-16E
5V ≤ VIN ≤ 100V, No-Opto Flyback , MSOP-16 with High Voltage Spacing
Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A Switch
Monolithic No-Opto Flybacks with Integrated 240mA/420mA Switch
Universal Controllers with Small Package and Powerful Gate Drive
Monolithic with Integrated 5A/3.3A Switch
VIN and VOUT Limited Only by External Components
VIN and VOUT Limited Only by External Components
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3798fa
LT 1212 REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2012
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