CUI V7805-1500

date 07/2010
page 1 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1500
DESCRIPTION
The V78XX switching regulator series
is designed to be a high efficiency
drop-in replacement for 78XX linear
regulators. Unlike linear regulators,
the V78XX series does not require a
heatsink, creating a much more
compact solution. Built-in short-circuit
and over-temperature protections
ensure very rugged operations.
Additionally, low ripple and noise
performance make the parts useful in a
wide range of applications.
MODEL
DC SWITCHING REGULATOR,
NON-ISOLATED
FEATURES
•efficiency up to 95%
•1.5A current output
•operating temp: -40 ~ +85°C
•short circuit protection
•thermal shutdown
•low ripple and noise
•miniature SIP package,
meets UL94-V0 requirement
•ultra low power loss
•negative output capacity
•pin compatible to LM78XX series
•MTBF >2,000,000 hours
input voltage
RoHS
output voltage
output current
min
(V dc)
max
(V dc)
max
(V dc)
max.
(mA)
Vin
(min)
efficiency level
Vin
(max)
V7802-1500
4.75
6.5
18
15
2.5
-2.5
1,500
-1,200
88
81
85
84
V7803-1500
4.75
6.5
18
16
3.3
-3.3
1,500
-1,200
91
82
88
86
V7805-1500
6.5
7
18
13
5
-5
1,500
-1,000
93
84
91
88
V7806-1500
8
7
18
13
6.5
-6.5
1,500
-800
95
87
93
90
*add suffix “R” for 90° pins, for example: V7802-1500R
OUTPUT
parameter
conditions/description
voltage accuracy
at 100% load
min
nom
max
units
±2
±3
%
line regulation
Vin = min to max at full load
±0.5
±0.75
%
load regulation
10% to 100%
±0.5
±1.0
%
20
45
mVp-p
0.5
1.8
output ripple
20 MHz bandwidth, typical application circuit
short circuit protection
continuous, auto-restart
short circuit input power
current limit
5,000
switching frequency
full load, input voltage range
quiescent current
positive output
negative output
300
thermal shutdown
temperature coefficient
340
380
KHz
5
11
10
13
mA
mA
150
-40 ~ +85°C
load capacitance
20050 SW 112th Ave. Tualatin, Oregon 97062
phone 503.612.2300
W
mA
°C
±0.02
%/°C
1,000
μF
fax 503.612.2382 www.v-infinity.com
date 07/2010
page 2 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1500
DC SWITCHING REGULATOR,
NON-ISOLATED
COMMON SPECIFICATIONS
parameter
conditions/description
min
operating temperature
max
units
-40
nom
85
°C
100
°C
-55
125
°C
95
%
300
°C
operating case temperature
storage temperature
storage humidity
cooling
free air convection
lead temperature
case material
plastic (UL94-V0)
MTBF
2,000,000
hours
package weight
4.0
g
SAFETY
parameter
conditions/description
conducted/radiated emissions
EN55022 class B
ESD
EN61000-4-2 class A
min
nom
max
MECHANICAL DRAWING
V78XX-1500
V78XX-1500R
9.00 [0.354]
17.50 [0.689]
11.50[0.453]
9.00 [0.354]
0.50 [0.020]
0.50 [0.020]
11.50[0.453]
17.50 [0.689]
4.10[0.161]
4.10 [0.161]
1.50 [0.059]
5.08[0.200]
2.15 [0.085]
5.08 [0.200]
(Bottom View)
(Bottom View)
2.15 [0.085]
1 2
3
0.30 [0.012]
1
2
3
0.50 [0.020]
Note:
Unit:mm[inch]
Pin section tolerances: 0.10mm[ 0.004inch]
General tolerances: 0.25mm[ 0.010inch]
20050 SW 112th Ave. Tualatin, Oregon 97062
Note:
Unit:mm[inch]
Pin section tolerances: 0.10mm[ 0.004inch]
General tolerances: 0.50mm[ 0.020inch]
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com
units
date 07/2010
page 3 of 5
a division of CUI INC
SERIES:
DC SWITCHING REGULATOR,
NON-ISOLATED
DESCRIPTION:
V78XX-1500
RECOMMENDED FOOTPRINT
V78XX-1500
5.08 [0.200]
V78XX-1500R
5.08 [0.200]
1.00 [0.039]
3
2.54 [0.100]
2.15 [0.085]
1 2
1.35 [0.053]
FOOTPRINT DETAILS
Positive Negative
Pin
1
1
2
3
2
3
+Vin
+Vin
GND
-Vout
GND
+Vout
2.54 [0.100]
1.00 [0.039]
DERATING CURVE
EXTERNAL CAPACITOR TABLE
Temperature Derating Graph
Part Number
C1
(Ceramic capacitor)
C2
(Ceramic capacitor)
V7802-1500
10µF/25V
22µF/6.3V
V7803-1500
10µF/25V
22µF/6.3V
V7805-1500
10µF/25V
22µF/16V
V7806-1500
10µF/25V
22µF/16V
Operating Temp.( C )
TYPICAL APPLICATION CIRCUIT
APPLICATION EXAMPLE
Positive Output
1 V78XX-1500(R) 3
+Vin
1
Vin
V78XX-1500(R)
3
C3
+Vout
+Vout
C4
2
GND
2
C1
GND
C2
1
GND
GND
V78XX-1500(R)
2
C1
Negative Output
3
C2
-Vout
GND
GND
Note:
1
+Vin
C1
V78XX-1500(R)
2
3
C2
-Vout
20050 SW 112th Ave. Tualatin, Oregon 97062
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.
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com
date 07/2010
page 4 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1500
DC SWITCHING REGULATOR,
NON-ISOLATED
INPUT FILTER CIRCUIT
1 0 u H-4 7 u H
Vin
Vo
Vin
Vout
GND
10uF
10uF
GND
GND
OUTPUT FILTER CIRCUIT
1 0 u H-4 7 u H
Vin
Vin
Vo
GND
10uF
22uF
10uF
RL
GND
EMC RECOMMENDED CIRCUIT
1 mH
Vin
Vin
Vo
Vout
GND
330 uF
2.2 uF
1u F
GND
GND
1mH
20050 SW 112th Ave. Tualatin, Oregon 97062
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com
date 07/2010
page 5 of 5
a division of CUI INC
SERIES:
DC SWITCHING REGULATOR,
NON-ISOLATED
DESCRIPTION:
V78XX-1500
TEST CONFIGURATION
Efficiency and Output Voltage Ripple Test
25. 4mm
25.4mm
12.7mm
3
1 F
2
C1
+Vout
Copper strip
C2
10 F
Ceramic Tantalum
Scope
Load
D C /D C
C onverter
1
2.54 mm
Vin
GND
Copper stri p
Start-up and Load Transient Response Test
D C /D C
C onverter
2
C1
+Vou t
Copper strip
3
Scope
C2
Load
1
2.54 mm
Vin
50.8 m m
GND
Copper strip
EFFICIENCY AND RIPPLE CURVES
Efficiency
Ripple
Efficiency VS. Input voltage
Ripple VS. Load(Vin=nominal)
37
32
V7802-1500
V7803-1500
V7805-1500
V7806-1500
R ipple(m V )
E ffic ie n c y ( % )
27
V7802-1500
22
17
V7803-1500
V7805-1500
V7806-1500
12
7
2
150 300 450 600 750 900 1050 1200 1350 1500
Input voltage(V)
Load(mA)
Ripple VS.Input voltage(full load)
Efficiency VS.Load(Vin=nominal)
90
V7802-1500
80
V7803-1500
V7805-1500
70
V7806-1500
60
50
150 300 450 600 750 900 1050 1200 1350 1500
R ip p le ( m V )
E ffic ie n c y ( % )
100
45
40
35
30
25
20
15
10
5
0
V7802-1500
V7803-1500
V7805-1500
V7806-1500
4.75 5
Load(mA)
20050 SW 112th Ave. Tualatin, Oregon 97062
6
6.5 7.2
8
9
10 12 15 18 20
Input voltage(V)
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com