V7805-1000R データシートの表示（PDF） - CUI INC
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V7805-1000R Datasheet PDF : 7 Pages
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CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 04/22/2013 │ page 4 of 7
EXTERNAL CAPACITOR TABLE
Part Number
V7803-1000(R)
V7805-1000(R)
V7806-1000(R)
V7809-1000(R)
V7812-1000(R)
V7815-1000(R)
TYPICAL APPLICATION CIRCUIT
C1,C3 (Ceramic capacitor)
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
10μF/50V
C2,C4 (Ceramic capacitor)
22μF/6.3V
22μF/10V
10μF/10V
10μF/16V
10μF/25V
10μF/25V
APPLICATION EXAMPLE
Vin
GND
1 V78XX-1000(R) 3
2
C1
+ Vo u t
C2
GND
C1
+Vin
1 V78XX-1000(R) 3
2
OUTPUT RIPPLE REDUCTION
GND
C2
- Vo u t
+Vin
GND
1 V78XX-1000(R) 3
C3
2
C1
1 V78XX-1000(R) 3
+Vout
C4
GND
2
C2
-Vout
1. C1 and C2 are required and should be fitted close to the converter
pins.
2. The capacitance of C1, C2, C3 and C4 sees external capacitor
table, it can be increased properly if required, and tantalum or low
ESR electrolytic capacitors may also suffice.
3. No parallel connection or plug and play.
Vin
1
DC/DC
Converter
3 +Vout
L
C1
2
GND
C2
22 F
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10 H ~ 47 H.
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