sc1402 Semtech Corporation, sc1402 Datasheet - Page 16

• Manufacturer Part Number: sc1402
• Description: Multi-output, Low-noise Power Supply Controller For Notebook Computers
• Manufacturer: Semtech Corporation

CMPD2838
EVALUATION BOARD SCHEMATIC
© 2000 SEMTECH CORP.
December 15, 2000
D9
+5V
OPEN
+3.3V
GND
GND
SHDN
ON5
ON3
PSAVE
VIN
GND
GND
VDD
C15
1
1
1
1
1
1
1
VL
1
1
1
D8
140T3
C
C1
D3
OPEN
3.32K
10.7K
R11
R13
+
VIN
A
C2
C21
JU9
+
C22
C27
100pF
VIN
C23
C10
0.1
10uH
L1
R20
301K
S1
SW DIP-4
VL
C11
0.01
C26
IR7413
0.1uF
Q1
140T3
R19
1k
D5
R17
2M
R16
2M
R1
10
IR7413
Q3
R15
2M
C16
0.1
4.7U,35V
R14
2M
C7
R9
.02
C24
0.01
Multi-Output, Low-Noise Power Supply
Controller for Notebook Computers
25
27
26
24
10
23
28
1
2
3
7
C8
0.22
BST3
DH3
LX3
DL3
CSH3
CSL3
FB3
PSAVE
SHDN
TIME/ON5
RUN/ON3
SC1402ISS
U1
4.7U,6.3V
C5
RESET
12OUT
PGND
SYNC
4.7U,16V
CSH5
CSL5
BST5
VDD
DH5
SEQ
REF
DL5
FB5
C9
LX5
D1
CMPSH-3A
4
5
18
16
17
19
20
14
13
12
15
9
6
11
652 MITCHELL ROAD
C6
0.1
REF
C30
0.1uF
Q4
IR7413
C17
0.1
140T3
C25
4.7U,16V
D6
0.1uF
R18
Q2
IR7413
C28
VL
100K
301K
R23
C12
0.1
C3
TTI5870
A
T2/L2
0.01
C29
100pF
C13
+
C4
MBRS1100
D4
C
C18
NEWBURY PARK CA 91320
+
R8
.02
C19
Title
Size
Date:
B
SC1402 Eval Board
Document Number
RTP00005
C20
JU7
Thursday, April 13, 2000
C31
0.1uF
R10
10.7K
R12
10.7K
2
2.2U,25V
JP6
C14
1
JU2
SC1402
VDD
140T3
Sheet
REF
+5V
D7
VL
VDD
GND
VL
+12V
RAW15V
+5V
GND
REF
SYNC
GND
RESET
1
1
1
1
1
1
1
1
1
1
1
1
of
16
1
Rev
E