2

MPB80 SERIES

OUTPUT SPECIFICATIONS

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Efficiency

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

73

%

Minimum Loads

Single Output Models

0.0

Minimum load required on V1 for regulation of V2, V3.

MPB80-2000

1.5

Amps

All other Multiple Output Models

0.7

Ripple and Noise

Full load, 20 MHz bandwidth

See Model Selection Chart

Output Power

Convection cooled, continuous output power.

MPB80-10XX

72

MPB80-2000

61

MPB80-3000

63

Watts

MPB80-3300

43

Forced air cooled, 300 LFM, or convection cooled, peak

MPB80-10XX

100

output power 10% duty cycle, 30 seconds maximum.

MPB80-2000

80

MPB80-3000

80

Watts

MPB80-3300

61

Overshoot / Undershoot

Output voltage overshoot/undershoot at turn-on.

2

%

Regulation

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

See Model Selection Chart

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

Transient Response

Recovery time, to within 1% of initial set point due to a 50-100% load change,

500

µS

5% max. deviation.

Turn-On Delay

Time required for initial output voltage stabilization.

2

Sec

Turn-On Rise Time

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

20

mS

INTERFACE SIGNALS AND INTERNAL PROTECTION

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Overvoltage Protection

+3.3V

3.9

4.7

V

+5V, V1 & V2

5.8

6.8

12V

17.3

20.2

24V

32.2

37.8

48V

55.2

64.8

Overload Protection

Fully protected against output overload and short circuit. Automatic recovery upon removal of overload condition.

INPUT SPECIFICATIONS

PARAMETER

CONDITIONS/DESCRIPTION

MIN

NOM

MAX

UNITS

Input Voltage - AC

Autoranging AC input automatically adjusts, no manual strapping required.

85

264

VAC

Input Frequency

AC input.

47

63

Hz

Brown Out Protection

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

85

VAC

Hold-Up Time

After last AC line peak.

Full load @ 120 VAC

16

mS

Full load @ 220 VAC

20

Input Current

Single Output Models, 120 VAC

1.5

Single Output Models, 230 VAC

0.75

Dual and Triple Output Models, 120 VAC

1.1

Dual and Triple Output Models, 230 VAC

0.55

Input Protection

Non-user serviceable internally located AC input line fuse.

Inrush Surge Current

Internally limited by thermistor. Vin = 230 VAC (one cycle).

32

Operating Frequency

Switching frequency of main transformer.

60

68

kHz