V78-1000-SMT データシートの表示（PDF） - CUI INC
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V78-1000-SMT Datasheet PDF : 6 Pages
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CUI Inc │ SERIES: V78-1000-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 01/26/2016 │ page 4 of 6
TYPICAL APPLICATION CIRCUIT
Vin
C1
GND
V7805-1000-SMT
1
5
10 7,9
6
R1
ON/OFF C4
470pF
R2
Vout
C2
GND
1. C1 and C2 are required for best performance and should
be fitted close to the converter pins.
2. See the capacitor values for C1 and C2 in the external
capacitor table below. These can be increased if required
and tantalum or low ESR electrolytic capacitors will also
suffice.
3. No parallel connection or plug and play.
EXTERNAL CAPACITOR TABLE
MODEL
C1 (Ceramic)
C2 (Ceramic)
V7801-1000-SMT
10 µF / 25 V
22 µF / 16 V
V7801A-1000-SMT
10 µF / 25 V
22 µF / 16 V
V7802-1000-SMT
10 µF / 25 V
22 µF / 16 V
V7803-1000-SMT
10 µF / 25 V
22 µF / 16 V
V7805-1000-SMT
10 µF / 25 V
22 µF / 16 V
V7806-1000-SMT
10 µF / 25 V
22 µF / 16 V
DERATING CURVE
120
100
80
60
40
20
0
-40
Safe Operating Area
0
40 71 85 120
Operating Temperature (°C)
APPLICATION EXAMPLE
Vin
DC/DC
L
+Vout
1 Converter 5
C1
GND
7,9
6
C2
C4
470pF
22 F
To reduce output ripple, it is recommended to add a LC filter to the
output port.
L: Recommended parameter 10 ~ 47μH.
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