SC1104B Semtech Corporation, SC1104B Datasheet - Page 10

• Manufacturer Part Number: SC1104B
• Description: Simple, Synchronous Voltage Mode Pwm Controller
• Manufacturer: Semtech Corporation

Evaluation Board Schematic - V
©
POWER MANAGEMENT
Evaluation Board Schematic - V
2006 Semtech Corp.
C2
0.1
C2
0.1
1500p
1500p
C1
C1
R1
1k
R1
680
1
2
3
4
1
2
3
4
COMP/SS
GND
DL
DH
COMP/SS
GND
DL
DH
SC1104AISTR
SC1104AISTR
U1
U1
PHASE
PHASE
SENSE
SENSE
R3
1
R4
2.2
R3
2.2
R4
2.2
VCC
VCC
BST
BST
C3
1.0
8
7
6
5
C3
1.0
8
7
6
5
MBRA130L(opt)
MBRA130L(opt)
D2
D2
Si4410DY
Si4410DY
Si4410DY
Si4410DY
IN
IN
Q1
Q2
Q1
Q2
0
0
= 5V
= 12V
R5
0
R5
5.1opt
MBRA130L
LL4148
10
C4
0.1
C4
0.1
D1
D1
R6
2.2
R6
3.3
C5
6800p
C5
3300p
C7
10.0
C7
10.0
4.7uH
3.9uH
L1
L1
R7
1.0k
R7
1.0k
C8
47/6.3V
C8
33/16V
C15
330/4V
C15
330/4V
R9
150
R9
220
R8
1.50k
R8
2.32k
C9
47/6.3V
C9
33/16V
C11
0.47
C11
0.33
C16
330/4V
C16
330/4V
47/6.3V
33/16V
C10
C10
330/4V
330/4V
C17
C17
SC1104A/B
C18
10
C18
10
www.semtech.com
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Vin=5V
Vin=12V
Vout=2.5@6A
Vout=3.3@6A
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