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VKA100LS05C

P1-P3P4-P4

RoHS Compliant

33 - 75V Input Range

High Effi ciency: 87% Typical at 5V

100mS Transient Response 50-
100% Load Step

420 kHz Fixed-Frequency
Operation

Remote Sense

Operation to +100°C Baseplate
Temperature

Primary Remote On/Off, Choice of
Pos/Neg Logic

Adjustable Output Voltage

Continuout Short-Circuit Protection

Thermal Shutdown

Case Ground Pin
The VKA100xSC Series DC/DC con-
verters present an economical and
practical solution for distributed power
system architectures which require
high power density and effi ciency while
maintaining system modularity and
upgradeability. With the ability to oper-
ate over a wide input voltage range
of 18 to 36 and 33 to 75 volts, these
modules are ideal for use in battery
backup applications common in today’s
telecommunication and electronic data
processing applications. The output is
fully isolated from the input, allowing
for a variety of polarity and grounding
confi gurations.
The VKA100xSC’s proprietary con-
trol circuitry responds to 50-100% load
steps in 100mSeconds to within 1%
nominal Vout.
The patented fi xed frequency
architecture combined with surface
mount technology results in a compact,
effi cient and reliable solution to DC/
DC conversion requirements. Safety Per
UL1950, EN 60950 and CSA 22.2 #234
PRODUCT SELECTION CHART
email: sales@murata-ps.com
04 May 2011 VKA100C.BO5 Page 1 of 4
VKA100
100 Watt Adjustable Output DC/DC Converter
www.murata-ps.com
For full details go to
www.murata-ps.com/rohs
　
www.murata-ps.com
MODEL INPUT VOUT IOUT EFFICIENCY
VOLTAGE (VDC) (A) MIN TYP
VKA100LS02C 2.0V 20.0 75 76
VKA100LS02FC 2.0V 30.0 73 74
VKA100LS2V5FC 2.5V 30.0 75 76
VKA100LS03C 3.3V 20.0 80 81
VKA100LS03FC 3.3V 30.0 80 81
VKA100LS05C 24VDC 5.0V 20.0 85 86
VKA100LS12C 12.0V 8.3 87 88
VKA100LS15C (18-36) 15.0V 6.7 88 89
VKA100LS24C 24.0V 4.2 89 90
VKA100MS02C 2.0V 20.0 76 77
VKA100MS02FC 2.0V 30.0 74 75
VKA100MS2V5FC 2.5V 30.0 77 78
VKA100MS03C 3.3V 20.0 81 82
VKA100MS03FC 3.3V 30.0 81 82
VKA100MS05C 48VDC 5.0V 20.0 86 87
VKA100MS12C 12.0V 8.3 88 89
VKA100MS15C (33-75) 15.0V 6.7 89 90
VKA100MS24C 24.0V 4.2 89 90
m
pliant
I
nput R
a
an
ge
c
iency:
8
7% Typ
i
ic
al at
5V
V
r
ansien
t
t
Response 50-
d Step

Operat
i
o
n to +
1
0
0
°
C
Ba
a
se
p
Te
e
mper
at
ur
e

Primar
y
y
Remo
te
e
On/Of
f,
,
C
h
P
os/N
eg
g
Logic

Adjust
a
ab
le Out
p
pu
t Volt
ag
g
e
Co
nt
in
u
uo
ut
S
ho
r
rt
C
ir
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it
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P
TARGETED FOR
OBSOLESCENCE
TARGETED FOR OBSOLESCENCE
TARGETED FOR OBSOLESCENCE
TARGETED FOR OBSOLESCENCE
TARGETED FOR OBSOLESCENCE
TARGETED FOR OBSOLESCENCE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
OBSOLETE
SPECIFICATIONS, ALL MODELS
Specifi cations are at T
CASE
= +40°C nominal input voltage unless otherwise specifi ed.
INPUT
PARAMETER CONDITIONS MIN TYP MAX UNITS
INPUT
Voltage Range
VKA100LS 18 24 36 VDC
VKA100MS 33 48 75 VDC
Maximum Input Current
VKA100LS V
IN
= 16VDC 7.4 A
VKA100MS V
IN
= 27VDC 4.4 A
Refl ected Ripple Current Peak - Peak 20 mA
Input Ripple Rejection DC to 1KHz 50 60 dB
No Load Input Current LS/MS 140/80 mA
No Load Power Dissipation LS/MS 3.4/3.8 W
Standby, Primary On/Off
Disabled LS/MS 0.12/0.24 W
Inrush Charge V
IN
= V
IN
max.
VKA100LS 0.520 mC
VKA100MS 0.360 mC
Quiescent Operating Current
Primary On/Off Disabled 5 12 mA
OUTPUT
PARAMETER CONDITIONS MIN TYP MAX UNITS
Rated Power 0 100 W
Set point Accuracy 1 %
Line Regulation High Line to Low Line 0.02 0.05 %
Load Regulation No Load to Rated Load 0.2 0.5 %
Output Temperature Drift ±.02 %/°C
Output Ripple, p-p DC to 20MHz BW 1% V
OUT
, Nom
Output Current Limit Inception 130% 150% l
OUT
, Nom
Output Short-Circuit Current (2) test 120% 150% l
OUT
, Nom
Output Overvoltage Limit 125% 135% V
Transient Response 50 to 100% Load Step
Peak Deviation di/dt = 0.1A/μSec 2% V
OUT
, Nom
Settling Time V
OUT
, 1% of Nominal Output 100 μSec
GENERAL
PARAMETER CONDITIONS MIN TYP MAX UNITS
ISOLATION
Input to Output Peak Test for 2 Seconds 1500 VDC
Input to Baseplate 1500 VDC
Output to Baseplate 500 VDC
Resistance 10 MΩ
Capacitance 2000 pF
Leakage Current V
ISO
= 240VAC, 60Hz 180 μA, rms
GENERAL
Effi ciency, Line, Load, Temp. (3)
Switching Frequency 400 420 440 KHz
Remote Sense Compensation 0.5 V
Output Voltage Adjust Range 12 V & higher
(4) -50% / +25% V
OUT
, Nom
Remote On/Off Control Inputs
Primary Open Collector/Drain
Sink Current-Logic Low 1.0 mA
Vlow 0.4 V
Vhigh0 Open Collector
Turn-on Time Within 1% of Rated Output 10.0 12.5 mSec
Weight 85 (3.0) g (oz.)
TEMPERATURE
Operation/Specifi cation Case Temperature -40 +25 +100 °C
Storage Case Temperature -55 +25 +125 °C
Shutdown Temperature Case Temperature +100 +115 °C
Thermal Impedance, case-ambient 7.1 °C/W
Lead Solder Temperature 10 Seconds max +300 °C
NOTES: (1) See Typical Performance Curves, page 3
(2) Continuous Mode
(3) See graphs for Effi ciency vs. Output Load, V
IN
, T
CASE
(4) 3.3V Models Limited in Trim Down Range
(5) Consult Factory for Details
email: sales@murata-ps.com
04 May 2011 VKA100C.BO5 Page 2 of 4
VKA100
100 Watt Adjustable Output DC/DC Converter
www.murata-ps.com
Power Dissipation (W)
Ambient Air Temperature (°C)
TYPICAL PERFORMANCE CURVES
T
CASE
= +40°C nominal input voltage unless otherwise specifi ed.
VKA100 xSzz -
Device Family
Indicates 100 Watt Regulated Unit
Model Number
Selected from Table of Electrical Characteristics
Where:
x = Input Voltage (L = 24VDC; M = 48VDC)
zz = Output Voltage (03=3.3V, 05=5V, etc.)
Lead Length
0.200” - No Number
0.145” - (6)
0.110” - (8)
Remote On-Off Logic:
Positive - No Number
Negative - (1)
ORDERING
INFORMATION
email: sales@murata-ps.com
04 May 2011 VKA100C.BO5 Page 3 of 4
VKA100
100 Watt Adjustable Output DC/DC Converter
www.murata-ps.com
P1-P3P4-P4

VKA100LS05C

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DC DC CONVERTER 5V 100W
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