MODULE FAMILY ELECTRICAL CHARACTERISTICS
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.
MODULE INPUT SPECIFICATIONS
Parameter
Min
36
Typ
48
Max
75
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
mA
Notes
Operating input voltage
Input surge withstand
Undervoltage turn-on
Undervoltage turn-off
Overvoltage turn-off/on
Disabled input current
100
35.7
<100 ms
34.9
30.5
78.8
29.4
75.7
82.5
2.5
PC pin low
MODULE OUTPUT SPECIFICATIONS
Parameter
Output voltage setpoint
Line regulation
Min
Typ
Max
1ꢀ
0.2
Unit
Vout nom.
ꢀ
Notes
Nominal input; full load; 25°C
Low line to high line; full load
Over operating temperature range
10 to 100ꢀ of full load
0.02
0.002
2
Temperature regulation
Power sharing accuracy
0.005
5
ꢀ / °C
ꢀ
Of nominal output voltage. For trimming below 90ꢀ
of nominal, a minimum load of 10ꢀ of maximum
rated power may be required.
Programming range
10
110
ꢀ
+Out to –Out — Absolute Maximum Ratings
2 V
-0.5 to 3.1
-0.5 to 4.7
-0.5 to 7.0
-0.5 to 16.1
-0.5 to 20.0
-0.5 to 31.7
-0.5 to 36.9
-0.5 to 47.1
-0.5 to 62.9
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
3.3 V
5 V
12 V
15 V
24 V
28 V
36 V
48 V
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.
THERMAL RESISTANCE AND CAPACITY
Parameter
Min
Typ
0.24
0.21
10.9
2.8
Max
Unit
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Baseplate to sink; flat, greased surface
Baseplate to sink; thermal pad (P/N 20265)
Baseplate to ambient
Baseplate to ambient; 1000 LFM
Thermal capacity
48
Watt-sec/°C
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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