
Page 2
VKP60LS
REV B
5/98
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
Voltage Range
18
24
36
VDC
Reflected Ripple Current (2)
Peak - Peak
220
mA
Reflected Ripple Current (3)
Peak - Peak
10
mA
Input Ripple Rejection
DC to 1KHz
50
60
dB
No Load Input Current
60
mA
Power Dissipation
No Load
1.5
W
Standby, Primary On/Off Disabled
0.075
W
Standby, Second On/Off Disabled
0.2
W
Maximum Input Current
Rated Load, Low Input Line
4.0
A
Inrush Charge
V
IN = 36VDC
0.26
mC
Quiescent Operating Current
Primary On/Off Disabled
37
mA
Secondary On/Off Disabled
914
mA
OUTPUT
Rated Power
060
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 (4)
DC to 20MHz BW
1%
V
OUT, Nom
Output Current Limit Inception
125%
l
OUT, Nom
Output Short-Circuit Current (5)
100%
l
OUT, Nom
Output Overvoltage Limit
3.3V Output
4
5
V
5V Output
6.6
V
All Other Outputs
125%
130%
V
OUT, Nom
Transient Response
50 to 100% Load Step
Peak Deviation
di/dt = 75A/
Sec
5%
V
OUT, Nom
Settling Time
V
OUT, 1% of Nominal Output
35
50
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. (6)
Switching Frequency
390
400
410
KHz
Remote Sense Compensation
0.5
V
Output Voltage Adjust Range (7)
±10%
V
OUT, Nom
Remote On/Off Control Inputs
Primary
Open Collector/Drain
Sink Current-Logic Low
2.5
mA
Vlow
1V
Vhigh
6V
Secondary (8)
Open Collector/Drain
Sink Current-Logic Low
600
A
Vlow
0.7
V
Vhigh
2V
Turn-on Time
Within 1% of Rated Output
3.5
5
mSec
External Synchronization Input (8)
Frequency
350
400
450
KHz
Pulse Width
See Figure 7 of Feature Characteristics
350
400
450
nSec
Input High Voltage
4
5
V
Input Low Voltage
0
1
V
Input Impedance
470
Weight
85 (3.0)
g (oz.)
( ) See NOTES on page 3.
NOMINAL
RATED
INPUT CURRENT
EFFICIENCY (1)
INPUT
OUTPUT
VOLTAGE
CURRENT
TYP
MAX
MIN
TYP
MODEL
(VDC)
(A)
(%)
VKP60LS03
24
3.3
18
2.95
2.98
83
84
VKP60LS05
24
5
12
2.84
2.88
87
88
VKP60LS12
24
12
5
2.78
2.81
89
90
VKP60LS15
24
15
4
2.75
2.78
90
91
VKP60LS24
24
2.5
2.75
2.78
90
91
VKP60LS28
24
28
2.2
2.82
2.85
90
91
ELECTRICAL SPECIFICATIONS
COMMON SPECIFICATIONS
Specifications typical at T
CASE = +40°C, nominal input voltage, rated output current unless otherwise specified.
Specifications typical at T
CASE = +40°C, nominal input voltage, rated output current unless otherwise specified.