LX157XCM View Datasheet(PDF) - Microsemi Corporation
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LX157XCM Datasheet PDF : 12 Pages
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LX1570/1571
PRODUCT DATABOOK 1996/1997
PHASE MODULATED AC SYNCHRONOUS SECONDARY-SIDE CONTROLLER
PR E L I M I N A RY D ATA S H E E T
APPLICATION INFORMATION
(+)
Secondary
Transformer
Voltage
(-)
D2
R3
Q1
T2
D4
C2
D3
R4
L1
1/2 D1
1/2 D1
C9
T1
(Note A)
R5
C3
C4
C5
D6
8765
CT VCC OUT GND
DRV
U1, 1571
D5
Pwr
Gnd
S.S. VFB COMP C.S.
1234
Signal Gnd
D7
C6
R9
C10 R10
R8
C8
C7
VOUT (+)
VOUT (-)
R6
R7
FIGURE 2 — THE LX1571 IN A TYPICAL SECONDARY-SIDE POWER SUPPLY APPLICATION
6
Copyright © 1997
Rev. 0.9.3 1/97
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