a division of CUI INC
date
07/2010
page
3 of 5
SERIES:
V78XX-1500
DESCRIPTION:
DC SWITCHING REGULATOR,
NON-ISOLATED
RECOMMENDED FOOTPRINT
V78XX-1500
5.08 [0.200]
1.00 [0.039]
V78XX-1500R
5.08 [0.200]
1.35 [0.053]
2.15 [0.085]
2.54 [0.100]
1 2
3
Pin
1
1
2
3
FOOTPRINT DETAILS
Positive Negative
+Vin
GND
+Vout
+Vin
-Vout
GND
2
3
2.54 [0.100]
1.00 [0.039]
DERATING CURVE
Temperature Derating Graph
EXTERNAL CAPACITOR TABLE
Part Number
V7802-1500
V7803-1500
V7805-1500
V7806-1500
Operating Temp.(
C
)
C1
(Ceramic capacitor)
10µF/25V
10µF/25V
10µF/25V
10µF/25V
C2
(Ceramic capacitor)
22µF/6.3V
22µF/6.3V
22µF/16V
22µF/16V
TYPICAL APPLICATION CIRCUIT
Positive Output
APPLICATION EXAMPLE
+Vin
Vin
1
1
V78XX-1500(R)
3
C3
2
C4
+Vout
V78XX-1500(R)
2
3
+Vout
GND
GND
1
C1
C2
V78XX-1500(R)
3
GND
GND
C1
2
C2
-Vout
Negative Output
GND
GND
Note:
+Vin
1
V78XX-1500(R)
2
3
C1
C2
-Vout
1. C1 and C2 are required and should be fitted close to the converter
pins.
2. The capacitance of C1and C2 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.
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
www.v-infinity.com
CUI [ CUI INC ]
