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VKA100
SPECIFICATIONS, ALL MODELS
100 Watt Adjustable Output DC/DC Converter
Speci?cations are at T CASE = +40°C nominal input voltage unless otherwise speci?ed.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
VKA100LS
VKA100MS
18
33
24
48
36
75
VDC
VDC
Maximum Input Current
VKA100LS
VKA100MS
Re?ected Ripple Current
V IN = 16VDC
V IN = 27VDC
Peak - Peak
20
7.4
4.4
A
A
mA
Input Ripple Rejection
No Load Input Current LS/MS
No Load
DC to 1KHz
Power Dissipation LS/MS
50
60
140/80
3.4/3.8
dB
mA
W
Standby, Primary On/Off
Disabled LS/MS
Inrush Charge
VKA100LS
VKA100MS
Quiescent Operating Current
V IN = V IN max.
0.12/0.24
0.520
0.360
W
mC
mC
Primary On/Off Disabled
5
12
mA
PARAMETER
Rated Power
CONDITIONS
MIN
0
TYP
MAX
100
UNITS
W
Set point Accuracy
1
%
Line Regulation
Load Regulation
Output Temperature Drift
Output Ripple, p-p
Output Current Limit Inception
Output Short-Circuit Current (2)
Output Overvoltage Limit
High Line to Low Line
No Load to Rated Load
DC to 20MHz BW
test
0.02
0.2
±.02
1%
130%
120%
125%
0.05
0.5
150%
150%
135%
%
%
%/°C
V OUT , Nom
l OUT , Nom
l OUT , Nom
V
Transient Response
50 to 100% Load Step
Peak Deviation
Settling Time
di/dt = 0.1A/ μ Sec
V OUT , 1% of Nominal Output
2%
100
V OUT , Nom
μ Sec
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ISOLATION
Input to Output Peak Test for 2 Seconds
Input to Baseplate
Output to Baseplate
Resistance
Capacitance
Leakage Current V ISO = 240VAC, 60Hz
GENERAL
Ef?ciency, Line, Load, Temp. (3)
1500
1500
500
10
2000
180
VDC
VDC
VDC
M Ω
pF
μ A, rms
Switching Frequency
400
420
440
KHz
Remote Sense Compensation
Output Voltage Adjust Range 12 V & higher (4)
Remote On/Off Control Inputs
Primary Open Collector/Drain
Sink Current-Logic Low
Vlow
Vhigh0
-50% / +25%
0.5
1.0
0.4
Open Collector
V
V OUT , Nom
mA
V
Turn-on Time Within 1% of Rated Output
Weight
10.0
12.5
85 (3.0)
mSec
g (oz.)
TEMPERATURE
Operation/Speci?cation Case Temperature
Storage Case Temperature
Shutdown Temperature Case Temperature
-40
-55
+100
+25
+25
+100
+125
+115
°C
°C
°C
Thermal Impedance, case-ambient
Lead Solder Temperature 10 Seconds max
NOTES: (1) See Typical Performance Curves, page 3
(2) Continuous Mode
(3) See graphs for Ef?ciency vs. Output Load, V IN , T CASE
(4) 3.3V Models Limited in Trim Down Range
(5) Consult Factory for Details
www.murata-ps.com
7.1
+300
°C/W
°C
email: sales@murata-ps.com
04 May 2011
VKA100C.BO5 Page 2 of 4
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