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V7812-500

P1-P3P4-P6
cui.com
date 11/08/2012
page 1 of 6
SERIES: V78-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR
date 11/08/2012
page 1 of 6
FEATURES
• 0.5 A current output
• extremely high efficiency up to 97%
• no heat sink required
• pin compatible to LM78XX linear regulators
• available in straight and right angle SIP packages
• low ripple and noise
• short circuit protection, thermal shutdown
• wide temperature (-40~85°C)
RoHS
PART NUMBER KEY
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
and noise
1
effi ciency
typ
(Vdc)
range
(Vdc) (Vdc)
max
(mA)
max
(W)
max
(mVp-p)
Vin min
(%)
Vin max
(%)
V7801-500 12 4.75~26 1.5 500 0.75 35 76 66
V78X2-500 12 4.75~28 1.8 500 0.9 35 79 67
V7802-500 12 4.75~28 2.5 500 1.25 35 85 73
V7803-500 24 4.75~28 3.3 500 1.65 35 90 80
V7805-500 24 6.5~32 5.0 500 2.5 35 93 84
V78X6-500 24 8~32 6.5 500 3.25 35 94 87
V7809-500 24 11~32 9.0 500 4.5 35 95 91
V7812-500 24 15~32 12 500 6 35 95 92
V7815-500 24 18~32 15 500 7.5 35 96 93
Notes: 1. ripple and noise are measured at 20 MHz BW
V78 XX - 500
Output Voltage Output Current
Base Number
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: V78-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 11/08/2012 │ page 2 of 6
INPUT
parameter conditions/description min typ max units
operating input voltage
1.5 V output
1.8 V output
2.5 V output
3.3 V output
5 V output
6 V output
9 V output
12 V output
15 V output
4.75
4.75
4.75
4.75
6.5
8
11
15
18
12
12
12
24
24
24
24
24
24
26
28
28
28
32
32
32
32
32
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
OUTPUT
parameter conditions/description min typ max units
line regulation
Vin = min ~ max,
at full load
1.5~2.5 V models
3.3~15 V models
±0.5
±0.2
±1.0
±0.4
%
%
load regulation
measured from
10% load to full load
1.5~2.5 V models
3.3~15 V models
±0.4
±0.4
±0.75
±0.6
%
%
voltage accuracy 100% load ±2 ±3 %
switching frequency 100% load, input voltage range 280 330 450 kHz
temperature coeffi cient ±0.02 %/°C
PROTECTIONS
parameter conditions/description min typ max units
short circuit protection continuous, automatic recovery
thermal shutdown internal IC junction 150 °C
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
MTBF 2,000,000 hours
RoHS compliant yes
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature -40 85 °C
storage temperature -55 125 °C
case temperature 100 °C
storage humidity non-condensing 95 %
temperature rise at full load 25 °C
lead temperature 1.5 mm from case for 10 seconds 300 °C
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: V78-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 11/08/2012 │ page 3 of 6
MECHANICAL
parameter conditions/description min typ max units
dimensions 0.689 x 0.354 x 0.453 (11.50 x 9.00 x 17.50 mm) inch
case material plastic (UL94-V0)
weight 2.0 g
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Front View

Bottom View

Side View
MECHANICAL DRAWING
PIN CONNECTIONS
PIN FUNCTION
1 +Vin
2 GND
3+Vo
units: mm [inches]
tolerance: ±0.25 [±0.010]
pin section tolerance: ±0.10 mm [±0.004]
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40 -20 0 20 40 60 71
85 100 120
DERATING CURVES
1. output power vs. ambient temperature
For more information, please visit the product page.
P1-P3P4-P6

V7812-500

Mfr. #:
Buy V7812-500
Manufacturer:
Description:
Non-Isolated DC/DC Converters Non-Isolated D C-DC Cnvrt
Lifecycle:
New from this manufacturer.
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