CUI V7806-1000

date 07/2010
page 1 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1000
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 97%
•1A 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)
V7803-1000
4.75
4.75
28
28
3.3
-3.3
1,000
-600
90
80
83
82
V7805-1000
6.5
7
32
27
5.0
-5.0
1,000
-600
93
85
88
87
V7806-1000
9
7
32
25
6.5
-6.5
1,000
-400
94
88
90
90
V7809-1000
12
7
32
23
9.0
-9.0
1,000
-400
95
89
92
91
V7812-1000
16
7
32
20
12
-12
1,000
-300
96
89
94
91
V7815-1000
20
7
32
17
15
-15
1,000
-300
97
87
94
92
*add suffix “R” for 90° pins, for example: V7803-1000R
OUTPUT
parameter
conditions/description
voltage accuracy
at 100% load
line regulation
min
nom
max
units
±2
±3
%
Vin = min to max at full load
±0.2
±0.4
%
load regulation
10% to 100%
±0.4
±0.6
%
output ripple
20 MHz bandwidth, typical application circuit
25
35
mVp-p
short circuit protection
continuous, auto-restart
0.5
1.8
W
340
380
KHz
5
7
8
13
mA
mA
±0.02
%/°C
1,000
μF
short circuit input power
current limit
2,000
switching frequency
full load, input voltage range
quiescent current
positive output
negative output
300
thermal shutdown
temperature coefficient
mA
150
-40 ~ +85°C
load capacitance
20050 SW 112th Ave. Tualatin, Oregon 97062
phone 503.612.2300
°C
fax 503.612.2382 www.v-infinity.com
date 07/2010
page 2 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1000
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
1.5 mm from the case for 10 seconds
case material
plastic (UL94-V0)
MTBF
2,000,000
hours
package weight
3.7
g
MECHANICAL DRAWING
V78XX-1000
V78XX-1000R
11.50[0.453]
9.00 [0.354]
9.00 [0.354]
17.50 [0.689]
0.50 [0.020]
17.50 [0.689]
0.50 [0.020]
11.50[0.453]
4.10 [0.161]
1.50 [0.059]
4.10[0.161]
5.08 [0.200]
2.15 [0.085]
5.08 [0.200]
(Bottom View)
(Bottom View)
1
2.15 [0.085]
1
2
3
2
3
0.30 [0.012]
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: 0.25mm[ 0.010inch]
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com
date 07/2010
page 3 of 5
a division of CUI INC
SERIES:
DESCRIPTION:
V78XX-1000
DC SWITCHING REGULATOR,
NON-ISOLATED
RECOMMENDED FOOTPRINT
V78XX-1000
5.08 [0.200]
1.00 [0.039]
3
1.35 [0.053]
FOOTPRINT DETAILS
2.54 [0.100]
1 2
2.15 [0.085]
5.08 [0.200]
V78XX-1000R
Negative
Pin
Positive
1
+Vin
+Vin
2
GND
-Vout
3
+Vout
GND
2.54 [0.100]
1.00 [0.039]
DERATING CURVE
EXTERNAL CAPACITOR TABLE
Temperature Derating Graph
Part Number
Operating Temp.( C )
TYPICAL APPLICATION CIRCUIT
1
Vin
V78XX-1000(R)
3
C1,C3
C2,C4
(Ceramic capacitor) (Ceramic capacitor)
V7803-1000(R)
10µF/50V
22µF/6.3V
V7805-1000(R)
10µF/50V
22µF/10V
V7806-1000(R)
10µF/50V
10µF/10V
V7809-1000(R)
10µF/50V
10µF/16V
V7812-1000(R)
10µF/50V
10µF/25V
V7815-1000(R)
10µF/50V
10µF/25V
APPLICATION EXAMPLE
+Vout
1
+Vin
C3
V78XX-1000(R)
3
+Vout
C4
2
2
C1
GN D
C2
GN D
1
GND
V78XX-1000(R)
2
C1
3
C2
GND
GND
-Vout
1
+Vin
C1
V78XX-1000(R)
2
1. C1 and C2 are required and should be fitted close to the converter
pins.
3
C2
-Vout
20050 SW 112th Ave. Tualatin, Oregon 97062
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.
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:
DC SWITCHING REGULATOR,
NON-ISOLATED
DESCRIPTION:
V78XX-1000
OUTPUT RIPPLE REDUCTION
1
DC/DC
Converter 3
2
C1
L
+Vout
Load
Vin
C2
22 F
GND
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10 H ~ 47 H.
TEST CONFIGURATION
Efficiency and Output Voltage Ripple Test
25.4mm
25.4mm
12.7mm
1 F
2
C1
Copper strip
C2
+Vout
10 F
Ceramic Tantalum
Scope
Load
3
Load
DC/DC
Converter
2.54 mm
1
2.54 mm
Vin
GND
Copper strip
Start-up and Load Transient Response Test
50.8 mm
Vin
1
DC/DC
Converter
C1
2
Copper strip
3
+Vout
Scope
C2
GND
Copper strip
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-1000
EFFICIENCY AND RIPPLE CURVES
Efficiency
Ripple
Ripple (mV)
Efficiency(%)
40
100
35
90
80
70
V7803-1000
30
V7805-1000
25
V7812-1000
V7806-1000
20
V7809-1000
15
V7803-1000
V7805-1000
V7812-1000
V7806-1000
V7809-1000
V7815-1000
10
V7815-1000
60
4.75
8
12
16
20
24
28
32
5
Vin(V)
4.75
Efficiency VS Vin(Full Load)
8
12
16
20
24
28
32 Vin (V)
Ripple VS Vin ( Full Load)
Efficiency(%)
Ripple(mV)
20
100
95
15
90
V7803-1000
V7803-1000
85
V7805-1000
V7805-1000
10
V7812-1000
V7806-1000
V7812-1000
80
V7806-1000
75
V7809-1000
5
V7809-1000
V7815-1000
V7815-1000
70
0
65
40
80
80
200
400
600
800 1000 Load(mA)
Efficiency VS Load(Vin=Vin_min)
40
Efficiency(%)
200
400
600
800
1000 Load(mA)
Ripple VS Load(Vin=Vin_min)
Ripple(mV)
35
100
30
90
25
V7803-1000
80
V7805-1000
V7812-1000
70
V7806-1000
V7803-1000
V7805-1000
20
15
V7812-1000
V7806-1000
10
V7809-1000
V7809-1000
60
V7815-1000
50
V7815-1000
5
0
40
80
200
400
600
800 1000 Load(mA)
Efficiency VS Load(Vin=Vin_max)
20050 SW 112th Ave. Tualatin, Oregon 97062
40
80
200
400
600
800
1000 Load(mA)
Ripple VS Load(Vin=24V)
phone 503.612.2300
fax 503.612.2382 www.v-infinity.com