VKA75xs Rev C 3/2001
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
Storage
Shutdown Temperature
Thermal Impedance, case-ambient
Lead Solder Temperature 10 Seconds max
Case Temperature
Case Temperature
Case Temperature
-40
-55
+100
+25
+25
+100
+125
+115
°C
°C
°C
°C/W
°C
7.1
+300
( ) See NOTES on page 3.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
VKA75LS
VKA75MS
Maximum Input Current
VKA75LS
VKA75MS
Reflected Ripple Current
Input Ripple Rejection
No Load Input Current LS/MS
Power Dissipation LS/MS
No Load
Standby, Primary On/Off Disabled LS/MS
Inrush Charge
VKA75LS
VKA75MS
Quiescent Operating Current
Primary On/Off Disabled
18
33 48 75 VDC
24
36
VDC
V
IN
= 16VDC
V
= 27VDC
Peak - Peak
DC to 1KHz
5.5
3.3
A
A
20
60
50/100
mA
dB
mA
50
3.6/4.8
0.18/0.4
W
W
V
IN
= V
IN
max.
0.520
0.360
mC
mC
8
12
mA
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
0
75
W
%
%
%
1
0.02
0.02
±.02
1%
High Line to Low Line
No Load to Rated Load
0.05
0.05
%/°C
V
OUT
, Nom
l
OUT
, Nom
l
OUT
, Nom
V
DC to 20MHz BW
130%
110%
135%
test
125%
50 to 100% Load Step
di/dt = 1.0A/
μ
Sec
V
OUT
, 1% of Nominal Output
2%
100
V
OUT
, Nom
μ
Sec
ISOLATION
Input to Output
Input to Baseplate
Output to Baseplate
Resistance
Capacitance
Leakage Current
Peak Test for 2 Seconds
1500
1500
500
10
VDC
VDC
VDC
M
pF
μ
A, rms
2000
180
V
ISO
= 240VAC, 60Hz
GENERAL
Efficiency, Line, Load, Temp. (3)
Switching Frequency
Remote Sense Compensation
Output Voltage Adjust Range
-12V & higher
(4)
Remote On/Off Control Inputs
Primary
Sink Current-Logic Low
Vlow
Vhigh
Turn-on Time
400
420
440
0.5
KHz
V
-50% / +25%
V
OUT
, Nom
Open Collector/Drain
1.0
0.4
mA
V
Open Collector
12.5
Within 1% of Rated Output
10.0
mSec