AC OK

> 5 ms early warning min. before outputs lose regulation. Full cycle ride thru (50 Hz) (n/a on iMP4 > 750 W @ 90 Vac)

Adjustment range

± 10% minimum all outputs (manual) (full module adjustment range using I2C)

DC OK

± 5% of nominal. Configurable through I2C

Efficiency

Up to 85% @ full case load

Electromagnetic susceptibility

Designed to meet EN61000-4; -2, -3, -4, -5, -6, -8, -11 Level 3

EMI filter

CISPR 22/EN55022 Level “B”**

External sync

TTL clock input signal used to adjust switching frequency. Frequency 500 kHz ± 20%; Duty cycle 40 - 55%

Factory set point accuracy

± 1%

Frequency

47 - 440 Hz

Global Inhibit/Enable

TTL, Logic “1” and Logic “0”; configurable

Harmonic distortion

Meets EN61000-3-2

Holdover storage

20 ms minimum (independent of input Vac) additional 34ms holdover storage with optional HUP module (SEMI F47 compatible). For iMP4 15 ms (low-line), 10 ms (high-line)

Housekeeping standby

5 Vdc @ 1.0 A max. present whenever AC input is applied (Optional 2.0 A available)

Humidity

Operating; non-condensing 10% to 95% RH

I2C Output program accuracy

± 5%

Input fuse (internal)

iMP4: 16 A; iMP8: 20 A; iMP1: 25 A (both lines fused)

Input range

85 - 264 Vac 120 - 350 Vdc (limited to 300 Vdc in medical applications)

Inrush Current

40 A peak max. (soft start)

Isolation

Meets EN60950 and EN60601

LEAKAGE CURRENT

300 µA max. @ 240 Vac; 47 - 63 Hz

Margining

± 4 - 6% nominal analog (single output module only)

Minimum Load

Not required

Module inhibit

Configured and controlled through I2C

Operating Temperature

-40 ° to 70 °C ambient. Derate each output 2.5% per degree from 50 °C to 70 °C. ( -20 °C start up)

Output/Output isolation

>1 Megohm, 500 V

Overall regulation

0.4% or 20 mV max. (1500W modules 1% max.) (36 W modules 4% maximum)

Overcurrent protection

Configurable through I2C (calibration required). Single output module and main output of the dual output module 105 - 120% of rated output current. Aux output of dual output module 105 - 140% of rated output current

Overvoltage Protection

Configurable through I2C

Overvoltage protection Dual output module

2 - 6 V 122 - 134% ; 8 - 28 V 110 - 120%

Overvoltage protection Single output module

2 - 5.5 V 122 - 134% ; 6 - 60 V 110 - 120%

Overvoltage protection Triple output module

110 - 120% of highest voltage rating

Power Factor

0.99 typ. meets EN61000-3-2 (n/a @ 440 Hz)

Radiated EMI

CISPR 22/EN55022 Level “B”**

Recovery time

To within 1% in

Remote sense

Up to 0.5 V total drop (not available on triple output module)

Reverse voltage protection

100% of rated output current

Ripple

RMS: 0.1% or 10mV, whichever is greater. Pk-Pk: 1.0% or 50mV, whichever is greater. Bandwidth limited to 20 MHz

Short-circuit protection

Protected for continuous short-circuit. Recovery is automatic upon removal of short

Single wire parallel

Current share to within 2% of total rated current

Storage Temperature

-40 °C to 85 °C

Switching frequency

250k Hz accepts external sync signal

Thermal protection

(OTP and OTW)Configurable through I2C. All outputs disabled when internal temp exceeds safe operating range. > 5 ms warning (AC OK signal) before shutdown

Turn-on time

AC on 2.0 sec typ., inhibit/enable 150 ms typical. Programmable delay; 50 ms internal turn-on delay (Dual Output only)

Vibration

IEC68-2-6 to the levels of IEC721-3-2