Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715

48V Micro Family

Rev. 7.5

Page 2 of 13

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Parameter

Min

Typ

Max

Unit

Notes

Operating input voltage

36

48

75

Vdc

Input surge withstand

100

Vdc

<100 ms

Undervoltage turn-on

34.9

35.7

Vdc

Undervoltage turn-off

29.4

30.5

Vdc

Overvoltage turn-off/on

75.7

78.8

82.5

Vdc

Disabled input current

2.5

mA

PC pin low

Parameter

Min

Typ

Max

Unit

Notes

Output voltage setpoint

±1%

Vout nom.

Nominal input; full load; 25°C

Line regulation

±0.02

±0.2

%

Low line to high line; full load

Temperature regulation

±0.002

±0.005

% / °C

Over operating temperature range

Power sharing accuracy

±2

±5

%

10 to 100% of full load

Programming range

10

110

%

Of nominal output voltage. For trimming below 90%

of nominal, a minimum load of 10% of maximum

rated power may be required.

+Out to –Out — Absolute Max imum Ratings

2 V

- 0.5 to 3.1

Vdc

Externally applied

3.3 V

- 0.5 to 4.7

Vdc

Externally applied

5 V

- 0.5 to 7.0

Vdc

Externally applied

12 V

- 0.5 to 16.1

Vdc

Externally applied

15 V

- 0.5 to 20.0

Vdc

Externally applied

24 V

- 0.5 to 31.7

Vdc

Externally applied

28 V

- 0.5 to 36.9

Vdc

Externally applied

36 V

-0.5 to 47.1

Vdc

Externally applied

48 V

-0.5 to 62.9

Vdc

Externally applied

MODULE INPUT SPECIFICATIONS

MODULE OUTPUT SPECIFICATIONS

Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,

unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.

Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading,

contact Vicor applications engineering at 800-927-9474.

Parameter

Min

Typ

Max

Unit

Baseplate to sink; flat, greased surface

0.24

°C/Watt

Baseplate to sink; thermal pad (P/N 20265)

0.21

°C/Watt

Baseplate to ambient

10.9

°C/Watt

Baseplate to ambient; 1000 LFM

2.8

°C/Watt

Thermal capacity

48

Watt-sec/°C

THERMAL RESISTANCE AND CAPACITY

MODULE FAMILY ELECTRICAL CHARACTERISTICS