sc2602 Semtech Corporation, sc2602 Datasheet - Page 7
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sc2602
Manufacturer Part Number
sc2602
Description
Sc2602 Synchronous Voltage-mode Controller For Distributed Power-supply Applications
Manufacturer
Semtech Corporation
Datasheet
1.SC2602.pdf
(16 pages)
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POWER MANAGEMENT
Application Circuit
PWRGD
OVP
2004 Semtech Corp.
R1
1k
+5V
1.74k
R2
C1
0.1
C2
0.1
R3
1k
MBR0520
D1
R4
10
1
2
3
4
5
6
7
OVP
VCC
PWRGD
OCSET
PHASE
DRVH
PGND
Typical 12V Application Circuit with Bootstrapped BSTH
SC2602
U1
SS/SHDN
SENSE
COMP
DRVL
BSTH
BSTL
GND
14
13
12
11
10
9
8
4.99K
C3
0.1
C4
1.0
820pF
SHDN
R6
2.2
R5
3.9
MBRA130
D2
7
STP40NE
STP40NE
Q1
Q2
C9
1.0
D3
Optional
MBRD1035
4uH
L1
C5
10.0
NOTE:
R8
127
C10
180/4V
SC2602/SC2602A
C6
270/16V
*) Vout = 1.265 x
(1+R9/R8)
C11
180/4V
R9
C7
205*
270/16V
C12
180/4V
C8
270/16V
C13
180/4V
_
+
12V
Vin
www.semtech.com
C14
180/4V
Vout=3.3
_
+
V*