Rev 1.3

vicorpower.com

Page 4 of 20

08/2016

800 927.9474

BCM48Bx040y200B00

Electrical Specifications

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

boldface specifications apply over the temperature range of

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

Powertrain

Input voltage range, continuous

38

55

V

Input voltage range, transient

Full current or power supported, 50ms max,

10% duty cycle max

38

55

V

Quiescent current

Disabled, PC Low

0.5

1.0

mA

450

650

800

ms

No load power dissipation

5.0

6.3

W

1.5

11.0

8

12

Inrush current peak

10

20

A

DC input current

5

A

Transformation ratio

K

1/12

V/V

Output power (average)

200

W

Output power (peak)

300

W

Output current (average)

53

A

Output current (peak)

75

A

Efficiency (ambient)

h

AMB

93.1

94.1

%

90.2

92.4

93.4

Efficiency (hot)

h

HOT

93.0

94.0

%

Efficiency (over load range)

h

20%

80.5

%

Output resistance

1.5

2.0

2.6

mΩ

1.8

2.4

3.0

2.0

2.7

3.3

Switching frequency

1.36

1.43

1.50

MHz

Output voltage ripple

20MHz BW

216

350

mV

Output inductance (parasitic)

Frequency up to 30MHz, Simulated J-lead model

600

pH

Output capacitance (internal)

200

µF

Output capacitance (external)

0

9100

µF