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FR9801 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 600KHz Synchronous Step-Down DC/DC Converter - Fiti

भाग संख्या FR9801
समारोह 600KHz Synchronous Step-Down DC/DC Converter
मैन्युफैक्चरर्स Fiti 
लोगो Fiti लोगो 
पूर्व दर्शन
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<?=FR9801?> डेटा पत्रक पीडीएफ

FR9801 pdf
fitipower integrated technology lnc.
Typical Application Circuit
VIN
4.5V to 21V
R3
100k
C3
0.1μF
4
SHDN
5 VIN
1
BST
LX 6
C1
10μF/25V
CERAMIC x 2
FR9801
FB 3
GND
2
L1
4.7μH
R1
30.9k1%
R2
9.76k1%
FR9801
85T
C4
(optional)
VOUT
3.3V
C2
22μF/6.3V
CERAMIC x 2
Figure 2. CIN /COUT use Ceramic Capacitors Application Circuit
VIN
4.5V to 21V
R3
100k
4
SHDN
5
VIN
C3
0.1μF
1
BST
LX 6
C1
100μF/25V
EC x 1
C9
0.1μF/25V
CERAMIC x 1
FR9801
FB 3
GND
2
L1
4.7μH
R1
30.9k1%
R2
9.76k1%
VOUT
3.3V
C2
100μF/6.3V
EC x 1
VOUT
1.2V
1.8V
2.5V
3.3V
5V
1.2V
1.8V
2.5V
3.3V
5V
Figure 3. CIN/COUT use Electrolytic Capacitors Application Circuit
C1
10μF MLCC x2
10μF MLCC x2
10μF MLCC x2
10μF MLCC x2
10μF MLCC x2
100μF EC x1
100μF EC x1
100μF EC x1
100μF EC x1
100μF EC x1
R1
4.99k
4.99k
4.99k
30.9k
30.9k
4.99k
4.99k
4.99k
30.9k
30.9k
R2
10k
3.92k
2.32k
9.76k
5.76k
10k
3.92k
2.32k
9.76k
5.76k
C9
--
--
--
--
--
0.1μF
0.1μF
0.1μF
0.1μF
0.1μF
C4
200pF~1nF
200pF~1nF
200pF~1nF
200pF~1nF
200pF~1nF
--
--
--
--
--
Table 1. Recommended Component Values
L1
2.2μH
2.2μH
4.7μH
4.7μH
4.7μH
2.2μH
2.2μH
4.7μH
4.7μH
4.7μH
C2
22μF MLCC x2
22μF MLCC x2
22μF MLCC x2
22μF MLCC x2
22μF MLCC x2
100μF EC x1
100μF EC x1
100μF EC x1
100μF EC x1
100μF EC x1
FR9801-0.5-JUL-2013
2

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डाउनलोड[ FR9801 Datasheet.PDF ]


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