2

MPB125 SERIES

INPUT SPECIFICATIONS

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Input Voltage- AC

Continuous input range.

90

264

VAC

Input Frequency

AC Input.

47

63

Hz

Brownout Protection

Lowest AC input voltage that regulation is maintained with full rated loads.

90

VAC

Hold-up Time

Over full AC input voltage range at full rated load.

17

mS

Input Current

90 VAC at full rated load.

1.8

Input Protection

Non-user serviceable internally located AC input line fuse, 3.15A.

Inrush Surge Current

Internally limited by thermistor,

110VAC:

23

one cycle, 25° C.

220VAC:

46

Power Factor Circuitry

Active PFC meets requirements of EN61000-3-2.

Operating Frequency

Switching frequency of main transformer.

100

kHz

OUTPUT SPECIFICATIONS

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Efficiency

Full Load, 230VAC. Varies with distribution of loads among outputs.

75

85

%

Minimum Loads

V1 + V2 + V3.

5

Watts

Ripple and Noise

Full load, 20 MHz bandwidth.

See Model Selection Chart

Output Power

130 LFM at 5 CFM forced-air cooling.

125

Watts

Convection, dual and triple-output models.

80

Convection, four-output models.

75

Overshoot /Undershoot

Output voltage overshoot/undershoot at turn-on.

10

%

Regulation

Varies by output. Total regulation includes: line changes from 85-132 VAC

See Model Selection Chart

or 170-264 VAC, changes in load starting at 20% load and changing to 100% load.

Transient Response

Maximum deviation due to a 25% load change with unit at 75% load.

3

%

Turn-on Delay

Time required for initial output voltage stabilization.

0.2

1.5

Sec

Turn-on Rise Time

Time required for output voltage to rise from 10% to 90%.

0.2

20

mS

INTERFACE SIGNALS AND INTERNAL PROTECTION

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Overvoltage Protection

V1 of dual and triple output models; V1 & V2 outputs of 4-output models.

MPB125-4250 (V1)

3.20

4.0

MPB125-4350 (V1)

3.67

4.8

VDC

MPB125-2005, MPB125-3000, MPB125-4X50

5.74

7.0

MPB125-2012

13.5

15.5

MPB125-2015

17.0

19.0

MPB125-2024

27.0

30.7

MPB125-2048

50.0

70.0

Overload Protection

Fully protected against output short circuit. Automatic recovery upon

removal of overload condition.

Remote Sense (Note 1)

Total voltage compensation for cable losses on +Sense.

200

mV

Total voltage compensation for cable losses on -Sense.

100

Power Good, Delay High

TTL compatible signal is high if output is within 97% of nominal.

100

500

mS

Delay after outputs have reached 97%.

Power Good, AC Fail

TTL compatible signal is low if AC power is interrupted for 16 mS. Power

1.0

mS

warning before outputs reach 97% of nominal.

NOTES: 1) -Sense must be connected to output common or load common for proper power supply operation.

SAFETY, REGULATORY, AND EMI SPECIFICATIONS

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Agency Approvals

UL1950.

CSA 22.2 No. 234/950.

Approved

EN60950 (TÜV).

Dielectric Withstand Voltage

AC to chassis.

1500

VAC

Input to output.

3000

VDC

Electromagnetic Interference

EN55022 Conducted.

B

Class

Advanced Product

Release