參數(shù)資料
型號： VKA75MS03C
廠商： MURATA POWER SOLUTIONS INC
元件分類： 電源模塊
英文描述： 1-OUTPUT 49.5 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, HALF BRICK PACKAGE-9
文件頁數(shù)： 2/4頁
文件大?。?/td> 305K
代理商： VKA75MS03C
SPECIFICATIONS, ALL MODELS
Specications are at T
CASE = +40°C nominal input voltage unless otherwise specied.
INPUT
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
VKA75LS
18
24
36
VDC
VKA75MS
33
48
75
VDC
Maximum Input Current
VKA75LS
V
IN = 16VDC
5.5
A
VKA75MS
V
IN = 27VDC
3.3
A
Reected Ripple Current
Peak - Peak
20
mA
Input Ripple Rejection
DC to 1KHz
50
60
dB
No Load Input Current LS/MS
50/100
mA
Power Dissipation LS/MS
No Load
3.6/4.8
W
Standby, Primary On/Off Disabled LS/MS
0.18/0.4
W
Inrush Charge
V
IN = VINmax.
VKA75LS
0.520
mC
VKA75MS
0.360
mC
Quiescent Operating Current
Primary On/Off Disabled
8
12
mA
NOTES: (1) See Typical Performance Curves, page 3
(2) Continuous Mode
(3) See graphs for Efciency vs. Output Load, V
IN, TCASE
(4) 3.3V Models Limited in Trim Down Range
(5) Consult Factory for Details
OUTPUT
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT
Rated Power
0
75
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 = 1.0A/
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
M
Ω
Capacitance
2000
pF
Leakage Current
V
ISO = 240VAC, 60Hz
180
μA, rms
GENERAL
Efciency, Line, Load, Temp. (3)
Switching Frequency
400
420
440
KHz
Remote Sense Compensation
0.5
V
Output Voltage Adjust Range
12V & 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
Vhigh
Open Collector
Turn-on Time
Within 1% of Rated Output
10.0
12.5
mSec
Weight
85 (3.0)
g (oz.)
TEMPERATURE
Operation/Specication
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
MCD_VKA75C Series.D01 Page 2 of 4
Technical enquiries - email: mk@murata-ps.com, tel: +44 (0)1908 615232
www.murata-ps.com
VKA75xSC Series
75 Watt Single Output Half Brick DC/DC Converter
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