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

375V Maxi Family

Rev. 8.6

Page 3 of 15

Set your site on VICOR at vicorpower.com

Parameter

Min

Typ

Max

Unit

Notes

PRIMARY SIDE

(PC = Primary Control; PR = Parallel)

PC bias voltage

5.50

5.75

6.00

Vdc

PC current = 1.0 mA

current limit

1.5

2.1

3.0

mA

PC voltage = 5.5 V

PC module disable

2.3

2.6

2.9

Vdc

Must be able to sink ≥4 mA. See Fig. 1

PC module enable delay

4

7

ms

PC module alarm

0.5

Vavg

UV, OV, OT, module fault. See Figs. 2 and 4

PC resistance

0.9

1.0

1.1

MΩ

See Fig. 2

PR emitter amplitude

5.7

5.9

6.1

Volts

PR load >30 Ω, < 30 pF

PR emitter current

150

mA

PR receiver impedance

375

500

625

Ω

25°C

PR receiver threshold

2.4

2.5

2.6

Volts

Minimum pulse width: 20 ns

PR drive capability

12

modules

Without PR buffer amplifier

SECONDARY SIDE

(SC = Secondary Control)

SC bandgap voltage

1.21

1.23

1.25

Vdc

Referenced to –Sense

SC resistance

990

1000

1010

Ω

SC capacitance

0.033

µF

SC module alarm

0

Vdc

With open trim; referenced to –Sense. See Fig. 6

Parameter

Min

Typ

Max

Unit

Notes

Remote sense (total drop)

0.5

Vdc

0.25 V per leg (senses must be closed)

Isolation voltage (in to out)

3000

Vrms

Complies with reinforced insulation requirements

Isolation voltage (in to base)

1500

Vrms

Complies with basic insulation requirements

Isolation voltage (out to base)

500

Vrms

Complies with operational insulation requirements

Isolation resistance (in to out)

10

MΩ

Weight

7.4

8.2

9.0

ounces

(209.3)

(232.5)

(255.7)

(grams)

Temperature limiting

100

115

°C

See Figs. 2 and 4

Agency approvals

cURus, TÜV, CE

UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.

With appropriate fuse in series with the +Input

MODULE CONTROL SPECIFICATIONS

MODULE GENERAL SPECIFICATIONS

Note:

Specifications are subject to change without notice.

MODULE FAMILY ELECTRICAL CHARACTERISTICS (CONT.)