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SD8910 Datasheet(PDF) 2 Page - SHOUDING Shouding Semiconductor

Part # SD8910
Description  2A , 21V 600KHz Synchronous Step-Down DC/DC Converter
PDF  14 Pages
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Manufacturer  SHOUDING [SHOUDING Shouding Semiconductor]
Direct Link  http://shouding.net/
Logo SHOUDING - SHOUDING Shouding Semiconductor

SD8910 Datasheet(HTML) 2 Page - SHOUDING Shouding Semiconductor

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2
Typical Application Circuit
GND
VIN
BST
FB
LX
VIN
4.5V to 21V
VOUT
10
μF/25V
CERAMIC x 2
22
μF/6.3V
CERAMIC x 2
L1
4.7
μH
R2
R1
R3
100k
Ω
1
5
6
2
3
4
C4
C1
C2
C3
0.1
μF
SHDN
3.3V
9.76k
Ω 1%
30.9k
Ω 1%
(optional)
Figure 2. CIN /COUT use Ceramic Capacitors Application Circuit
GND
VIN
BST
FB
LX
VIN
4.5V to 21V
VOUT
0.1μF/25V
CERAMIC x 1
100μF/6.3V
EC x 1
R2
R1
1
5
6
2
3
4
C1
C2
100μF/25V
EC x 1
C4
L1
4.7μH
C3
0.1μF
R3
100kΩ
SHDN
3.3V
30.9kΩ 1%
9.76kΩ 1%
Figure 3. CIN /COUT use Electrolytic Capacitors Application Circuit
VOUT
R1
R2
C4
L1
COUT
1.2V
4.99k
Ω
10k
Ω
10pF~1nF
2.2μH
22μF MLCC x2
1.8V
4.99k
Ω
3.92k
Ω
10pF~1nF
2.2μH
22μF MLCC x2
2.5V
4.99k
Ω
2.32k
Ω
10pF~1nF
4.7μH
22μF MLCC x2
3.3V
30.9k
Ω
9.76k
Ω
10pF~1nF
4.7μH
22μF MLCC x2
5V
30.9k
Ω
5.76k
Ω
10pF~1nF
4.7μH
22μF MLCC x2
1.2V
4.99k
Ω
10k
Ω
--
2.2μH
100μF EC x1
1.8V
4.99k
Ω
3.92k
Ω
--
2.2μH
100μF EC x1
2.5V
4.99k
Ω
2.32k
Ω
--
4.7μH
100μF EC x1
3.3V
30.9k
Ω
9.76k
Ω
--
4.7μH
100μF EC x1
5V
30.9k
Ω
5.76k
Ω
--
4.7μH
100μF EC x1
Table 1. Recommended Component Values
SD8910
SD8910
SD8910
Shouding
SD8910-0.5-AUG-2011
www.shouding.net



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