IMS25 datasheet(2/4 Pages) POWER-ONE

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Board Mountable

IMS 25 Series

Input

Input voltage range

24 IMS 25

14...36 V DC

48 IMS 25

32...75 V DC

Output

Output voltage setting accuracy

Ui nom, 50% lo nom

±1% U

o nom

Minimum load

not required

Line/load regulation

Ui min...Ui max, 50% lo nom

±1% U

o nom

Output voltage switching noise

Ui nom, 0...100% lo nom, peak-peak, total

max. 1.5...2.5%

Uo nom

Efficiency

Ui nom, lo nom

up to typ 91%

Control and protection

Remote shut down

TTL-compatible input

disabled with

≤0.7 V

Trim input for

80...105 %

Input undervoltage lock-out

programmable

Input overvoltage protection

by suppressor diode

Frequency synchronisation

switching frequency

appox. 270 kHz

Overload protection

Ui min...Ui max

current limitation to max. 130%

lo nom

No-load protection

Ui min...Ui max

Temperature protection

by thermistor

Safety and EMC

Electric strength test voltage

I/O and I/Case

1500 V DC

Electromagnetic interference

conducted (with external filter)

class B

radiated

class A

Environmental

Operating ambient temperature

Ui nom, lo nom

–40...71

°C

Storage temperature

non operational

–40...100

°C

Relative humidity

non condensing

93 %

Options

Inhibit input (reverse logic)

TTL-compatible, disabled with

≥2.4 V or open-circuit

Open frame version

no housing, not lacquered

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