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SC2603 Datasheet(PDF) 8 Page - Semtech Corporation

Part # SC2603
Description  Simple PWM Boost Controller
PDF  11 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2603 Datasheet(HTML) 8 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC2603
POWER MANAGEMENT
Applications Circuit
12V to 25V @ 1A boost converter
R2
34K
R4
1.78K
L1
18uH
Q1
AO4442
D1
3A, 40V
C2
330u/35V
C1
470u
R5
1K
VIN = 12V
VOUT=25V
U2
SC2603
VIN
5
EN/SS
3
FB
1
GND
2
CS
6
Gate
4
C11
1u
R1
2.2
C4
0.1u
Enable
C3
1u
R6
20m
C5
120p
(open drain)
R2
34K
R4
1.78K
L1
18uH
Q1
AO4442
D1
3A, 40V
C2
330u/35V
C1
470u
R5
1K
VIN = 12V
VOUT=25V
U2
SC2603
VIN
5
EN/SS
3
FB
1
GND
2
CS
6
Gate
4
C11
1u
R1
2.2
C4
0.1u
Enable
C3
1u
R6
20m
C5
120p
(open drain)
Bill of Material
Open Drain with < 100
pull down impedance
SEMTECH
SOT23-6
SC2603
U1
1
16
20m
R6
1
15
603
1K
R5
1
14
603
1.78K
R4
1
13
603
0
R3
1
12
603
34K
R2
1
11
603
2.2
R1
1
10
Alpha & Omega
AO4442
Q1
1
9
COOPER
18uH
L1
1
8
1N5819
D1
1
7
805
1u
C11
1
6
603
120p
C5
1
5
603
0.1u
C4
1
4
603
1uF
C3
1
3
SANYO
330u/Alum
C2
1
2
SANYO
470u/Alum
C1
1
1
Vendor
footprint
Part
Reference
Quantity
Item
SEMTECH
SOT23-6
SC2603
U1
1
16
20m
R6
1
15
603
1K
R5
1
14
603
1.78K
R4
1
13
603
0
R3
1
12
603
34K
R2
1
11
603
2.2
R1
1
10
Alpha & Omega
AO4442
Q1
1
9
COOPER
18uH
L1
1
8
1N5819
D1
1
7
805
1u
C11
1
6
603
120p
C5
1
5
603
0.1u
C4
1
4
603
1uF
C3
1
3
SANYO
330u/Alum
C2
1
2
SANYO
470u/Alum
C1
1
1
Vendor
footprint
Part
Reference
Quantity
Item



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