VKA50LS03C データシートの表示（PDF） - Murata Power Solutions
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VKA50LS03C Datasheet PDF : 4 Pages
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VKA50xSC
50 Watt Single Output Half Brick DC/DC Converter
SPECIFICATIONS, ALL MODELS
Specifications are at TCASE = +40°C nominal input voltage unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
18
24
33
48
Maximum Input Current
VKA50LS
VKA50MS
Reflected Ripple Current
VIN = 16VDC
VIN = 27VDC
Peak - Peak
Input Ripple Rejection
DC to 1KHz
No Load Input Current LS/MS
Power Dissipation LS/MS
No Load
Standby, Primary On/Off Disabled LS/MS
Inrush Charge
VKA50LS
VIN = VINmax.
VKA50MS
Quiescent Operating Current
Primary On/Off Disabled
PARAMETER
OUTPUT
Rated Power
Set point Accuracy
Line Regulation
Load Regulation
Output Temperature Drift
Output Ripple, p-p
Output Current Limit Inception
Output Short-Circuit Current (2)
Output Overvoltage Limit
Transient Response
Peak Deviation
Settling Time
CONDITIONS
High Line to Low Line
No Load to Rated Load
DC to 20MHz BW
test
50 to 100% Load Step
di/dt = 1.0A/μSec
V , 1% of Nominal Output
OUT
PARAMETER
CONDITIONS
ISOLATION
Input to Output
Input to Baseplate
Output to Baseplate
Resistance
Capacitance
Leakage Current
GENERAL
Efficiency, Line, Load, Temp. (3)
Switching Frequency
Remote Sense Compensation
Output Voltage Adjust Range
Remote On/Off Control Inputs
Primary
Sink Current-Logic Low
Vlow
Vhigh
Turn-on Time
Weight
TEMPERATURE
Operation/Specification
Storage
Shutdown Temperature
Thermal Impedance, case-ambient
Lead Solder Temperature
Peak Test for 2 Seconds
VISO = 240VAC, 60Hz
12V & higher(4)
Open Collector/Drain
Within 1% of Rated Output
Case Temperature
Case Temperature
Case Temperature
10 Seconds max
36
75
50
MIN
0
MIN
1500
1500
500
10
400
-40
-55
+100
VDC
VDC
20
60
50/100
3.6/4.8
0.18/0.4
8
TYP
0.02
0.2
±.02
1%
130%
120%
125%
2%
100
TYP
3.7
2.2
0.520
0.360
12
MAX
50
1
0.05
0.5
150%
150%
135%
MAX
2000
180
VKA50LS
VKA50MS
A
A
mA
dB
mA
W
W
mC
mC
mA
UNITS
W
%
%
%
%/°C
VOUT, Nom
lOUT, Nom
lOUT, Nom
V
VOUT, Nom
μSec
UNITS
VDC
VDC
VDC
MΩ
pF
μA, rms
420
440
0.5
-50% / +25%
KHz
V
VOUT, Nom
1.0
mA
0.4
V
Open Collector
10.0
12.5
mSec
85 (3.0)
g (oz.)
+25
+100
°C
+25
+125
°C
+115
°C
7.1
°C/W
+300
°C
NOTES: 1) See Typical Performance Curves, page 3
(2) Continuous Mode
(3) See graphs for Efficiency vs. Output Load, VIN, TCASE
(4) 3.3V Models Limited in Trim Down Range
(5) Consult Factory for Details
www.murata-ps.com
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
VKA50xSC.B01 Page 2 of 4
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