Board Mountable
Input
Input voltage range
24 IMS 25
48 IMS 25
IMS 25 Series
14...36 V DC
32...75 V DC
Output
Output voltage setting accuracy
Minimum load
Line/load regulation
Output voltage switching noise
Efficiency
U
i nom
, 50%
l
o nom
U
i min
...U
i max
, 50%
l
o nom
U
i nom
, 0...100%
l
o nom
, peak-peak, total
U
i nom
,
l
o nom
±1%
U
o nom
not required
±1%
U
o nom
max. 1.5...2.5%
U
o nom
up to typ 91%
Control and protection
Remote shut down
Trim input for
U
o
Input undervoltage lock-out
Input overvoltage protection
Frequency synchronisation
Overload protection
No-load protection
Temperature protection
TTL-compatible input
programmable
by suppressor diode
switching frequency
U
i min
...U
i max
U
i min
...U
i max
by thermistor
disabled with
≤0.7
V
80...105%
appox. 270 kHz
current limitation to max. 130%
l
o nom
Safety and EMC
Electric strength test voltage
Electromagnetic interference
I/O and I/Case
conducted (with external filter)
radiated
1500 V DC
class B
class A
Environmental
Operating ambient temperature
U
i nom
, l
o nom
Storage temperature
non operational
Relative humidity
non condensing
–40...71°C
–40...100°C
93%
Options
Inhibit input (reverse logic)
Open frame version
TTL-compatible, disabled with
≥2.4
V or open-circuit
no housing, not lacquered
i
Z
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