參數(shù)資料
型號(hào)： VKA75MS28-8
廠商： CD TECHNOLOGIES INC
元件分類： 電源模塊
英文描述： 1-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù)： 2/4頁(yè)
文件大小： 63K
代理商： VKA75MS28-8
VKA75xs Rev A 7/98
Page 2
COMMON SPECIFICATIONS
Specifications typical at T
CASE = +40°C, nominal input voltage, rated output current unless otherwise specified.
Weight
85 (3.0)
g (oz.)
TEMPERATURE
Operation/Specification
Case Temperature
-40
+25
+100
°C
Storage
Case Temperature
-55
+25
+125
°C
Shutdown Temperature
Case Temperature
+100
+115
°C
Thermal Impedance, case-ambient
8.2
°C/W
Lead Solder Temperature
10 Seconds max
+300
°C
( ) See NOTES on page 3.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
VKA75LS
18
24
40
VDC
VKA75MS
33
48
75
VDC
Maximum Input Current
VKA75LS
V
IN = 16VDC
5.5
A
VKA75MS
V
IN = 27VDC
3.3
A
Reflected 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
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
0.02
0.05
%
Output Temperature Drift
±.02
%/°C
Output Ripple, p-p
DC to 20MHz BW
1%
V
OUT, Nom
Output Current Limit Inception
130%
l
OUT, Nom
Output Short-Circuit Current (2)
test
110%
l
OUT, Nom
Output Overvoltage Limit
3.3V Output
4
5
V
5V Output
6.6
V
12V, 15V, 24V and 28V
125%
130%
V
OUT, Nom
Transient Response
50 to 100% Load Step
Peak Deviation
di/dt = 75A/
Sec
7%
V
OUT, Nom
Settling Time
V
OUT, 1% of Nominal Output
75
100
Sec
ISOLATION
Input to Output
Peak Test for 2 Seconds
1500
VDC
Input to Baseplate
1500
VDC
Output to Baseplate
500
VDC
Resistance
10
M
Capacitance
2000
pF
Leakage Current
V
ISO = 240VAC, 60Hz
180
A, rms
GENERAL
Efficiency, Line, Load, Temp. (3)
(See Note 3, Page 3)
Switching Frequency
400
420
440
KHz
Remote Sense Compensation
0.5
V
Output Voltage Adjust Range (4)
-50% / +10%
V
OUT, Nom
Remote On/Off Control Inputs
Primary
Open Collector/Drain
Sink Current-Logic Low
1.0
mA
Vlow
1
V
Vhigh
2
V
Turn-on Time
Within 1% of Rated Output
10.0
12.5
mSec
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