Rev 1.1

vicorpower.com

Page 6 of 23

09/2015

800 927.9474

BCM6123x60E15A3yzz

Electrical Specifications (Cont.)

Specifications apply over all line and load conditions, unless otherwise noted;

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

General Powetrain PRIMARY to SECONDARY Specification (Forward Direction) Cont.

Effective Primary Capacitance

(Internal)

11.2

µF

Effective Secondary Capacitance

(Internal)

140

µF

Effective Secondary Output

Capacitance (External)

Excessive capacitance may drive module into SC

protection

1000

µF

Effective Secondary Output

Capacitance (External)

N = the number of units in parallel

Protection PRIMARY to SECONDARY (Forward Direction)

Auto Restart Time

Startup into a persistent fault condition. Non-Latching

490

560

ms

Primary Overvoltage Lockout

Threshold

64

66

68

V

Primary Overvoltage Recovery

Threshold

60

64

66

V

Primary Overvoltage Lockout

Hysteresis

2

V

Primary Overvoltage Lockout

Response Time

100

µs

Primary Undervoltage Lockout

Threshold

26

28

30

V

Primary Undervoltage Recovery

Threshold

28

30

32

V

Primary Undervoltage Lockout

Hysteresis

2

V

Primary Undervoltage Lockout

Response Time

100

µs

Primary Undervoltage Startup Delay

floating, (i.e One time Startup delay form application

20

ms

Primary Soft-Start Time

From powertrain active. Fast Current limit protection

disabled during Soft-Start

1

ms

Secondary Output Overcurrent Trip

Threshold

145

180

225

A

Secondary Output Overcurrent

Response Time Constant

Effective internal RC filter

3

ms

Secondary Output Short Circuit

Protection Trip Threshold

195

A

Secondary Output Short Circuit

Protection Response Time

1

µs

Overtemperature Shutdown

Threshold

Temperature sensor located inside controller IC

125

°C

Overtemperature Recovery

Threshold

105

110

115

°C

Undertemperature Shutdown

Threshold

Temperature sensor located inside controller IC;

Protection not available for M-Grade units.

-45

°C

Undertemperature Restart Time

Startup into a persistent fault condition. Non-Latching

3

s