SC2544TSTRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
SC2544TSTRT Datasheet PDF : 24 Pages
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SC2544
POWER MANAGEMENT
Typical Application Circuit
SC2544MLTRT
U1 SC2544
VO2
C1 1uF/25V VIN+ 1 VIN
C2 1uF/16V VCC 2 VCC
AGND 24
ROSC 23
R3
73K
R2 10K
EN
3 EN
PWRGD 22
PWGRD
FB1
4 FB1
FB2 21
FB2
C3 1n SS1
5 ERROUT1 ERROUT2 20
SS2
C4 1n
C9 4.7n R4 18k C10 220nF 6 SS1
SS2 19
470nF C11
R5 18k C12 4.7n
R6 4.7K
7 ILIM1
C32 N.P. C17 1uF/16V 8 BST1
R8 0 9 DRVH1
R10 2.2
10 PHASE1
ILIM2 18
R7 4.7k
BST2 17 C18
DRVH2 16 R9
1uF/16V
0
C33 n.p.
PHASE2 15
R11 2.2
VIN+
11 DRVL1
DRVL2 14
VIN+
12 PGND
PVCC 13 VCC
C5
C6
C7
C8
N.P. 10uF/25V 10uF/25V 0.1uF/25V
Q2
R24
C31
0R
Q1 C13
C14 C15 C16
0.1uF/25V 10uF/25V 10uF/25V N.P.
VO1
L1
R12 28K R15 499
FB1 C19
C20 C21 C22 C23
3.9nF
R17 4.9K
N.P. N.P.
7.6uH
Q3
C34
N.P.
C30
N.P.
R25
N.P.
L2
7.6uH
Q4
VO2
R13 499 R14
C29
C35
C24 C25 C26 C27
28K
N.P.
C28 3.3nF FB2
2.2nF
R25
N.P. N.P.
R18 4.9K
N.P.
Vin: 4.5V ~ 28V
Vout: 3.3V/6A and 5V/6A
2005 Semtech Corp.
18
www.semtech.com
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