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FR9888 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 340KHz Synchronous Step-Down DC/DC Converter - Fiti

भाग संख्या FR9888
समारोह 340KHz Synchronous Step-Down DC/DC Converter
मैन्युफैक्चरर्स Fiti 
लोगो Fiti लोगो 
पूर्व दर्शन
1 Page
		
<?=FR9888?> डेटा पत्रक पीडीएफ

FR9888 pdf
fitipower integrated technology lnc.
Typical Application Circuit
VIN
4.5V to 23V
C1
10μF/25V
CERAMIC x 2
R3
100k
C4
0.1μF
7
SHDN
2 VIN
1
BOOST
LX 3
FR9888
6 NC
FB 5
GND
4
SS
8
C3
0.1μF
FR9888
85T
L1
4.7μH
R1
3k
C6
(optional)
VOUT
1.2V
C2
22μF/6.3V
CERAMIC x 2
R2
10k
Figure 2. CIN /COUT use Ceramic Capacitors Application Circuit
VIN
4.5V to 23V
R3
100k
C4
0.1μF
C1
100μF/25V
EC x 1
C5
0.1μF/25V
CERAMIC x 1
7
SHDN
2 VIN
1
BOOST
LX
3
FR9888
6 NC
FB 5
GND
4
SS
8
C3
0.1μF
L1
4.7μH
R1
3k
C6
(optional)
VOUT
1.2V
C2
100μF/6.3V
EC x 1
R2
10k
Figure 3. CIN /COUT use Electrolytic Capacitors Application Circuit
VOUT
1.2V
1.8V
2. V
3.3V
5V
1.2V
1.8V
2.5V
3.3V
5V
FR9888- 1.0-JUL-2011
R1
3k
9.53k
16.9k
26.1k
44.2k
3k
9.53k
16.9k
26.1k
44.2k
R2
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
C6
200pF~1nF
200pF~1nF
200pF~1nF
200pF~1nF
200pF~1nF
--
--
--
--
--
L1
4.7μH
4.7μH
10μH
10μH
10μH
4.7μH
4.7μH
10μH
10μH
10μH
Table 1. Recommended Component Values
COUT
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
2

विन्यास 13 पेज
डाउनलोड[ FR9888 Datasheet.PDF ]


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