LT3575 Просмотр технического описания (PDF) - Linear Technology
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LT3575 Datasheet PDF : 24 Pages
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LT3575
TYPICAL APPLICATION
VIN
13V TO 30V
13V to 30VIN, +5V/–5VOUT Isolated Flyback Converter
C1
10μF
R1
499k
R2
64.9k
R5
R6
28.7k 10k
C6
VIN
0.22μF
SHDN/UVLO
TC
RILIM
SS
VC
LT3575
RFB
RREF
SW
GND TEST BIAS
D4
R3
80.6k
R4
6.04k
R7
7.68k
C2
C3
10nF
15nF
C4
4.7μF
T1
3:1:1:1
D1
R8
1k L1A
L1B
63μH
7μH
L1C
7μH
D2
VOUT +
+5V, 500mA
C5
47μF
COM
C6
47μF
VOUT –
–5V, 500mA
D3
L1D
7μH
*OPTIONAL THIRD
WINDING FOR
>24V OPERATION
T1: WÜRTH ELEKTRONIK 750310564
D4: PMEG6010
D1, D2: PDS835L
3575 TA11
RELATED PARTS
PART NUMBER
DESCRIPTION
LT3574/LT3573
40V Isolated Flyback Converters
LT3957/LT3958
40V/100V Flyback, Boost Converters
LT3757/LT3758
40V/100V Flyback, Boost Controllers
LT1737/LT1725
20V Isolated Flyback Controller
LT3825/LT3837
Isolated Synchronous Flyback Controllers
LTC®3803/LTC3803-3 200kHz/300kHz Flyback DC/DC Controllers
LTC3803-5
LTC3805/LTC3805-5 Adjustable Frequency Flyback Controllers
COMMENTS
Monolithic No-Opto Flybacks with Integrated 0.65A / 1.25A 60V Switch
Monolithic with Integrated 5A/3.3A Switch
Universal Controllers with Small Package and Powerful Gate Drive
No Opto-Isolator or Third Winding Required
No Opto-Isolator or Third Winding Required
VIN and VOUT Limited Only by External Components
VIN and VOUT Limited Only by External Components
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3575f
LT 0710 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2010
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