Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302

• Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

ISOLATED DC/DC CONVERTERS

48 VDC Input 9.3VDC/36.5 A Output, 1/4 Brick

General Specifications

Parameter

Min

Typ

Max

Notes

Switching Frequency

-

96 kHz

-

fixed

Weight

-

56 g (2.0oz)

-

Operating Temperature

-40

°C

-

85

°C

Non-Operating Temperature

-55

°C

-

125

°C

Overtemp Shutdown

-

120

°C

-

10

°C hysteresis measured on Q4

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

2.28 x 1.45 x 1.00

57.9 x 36.8 x 25.4

Protection Features

Short circuit

Over current

Undervoltage

Overvoltage

Latching

110% to 125% max Io

UVLO Vin < 35.0

OVSD Vin>57.0

Remote On/Off

Active Low

(Optional Active High)

Turn on delay

Outupt voltage rise time

0 V

1.0 V

-

-

-

-

2.7 ms

4.3 ms

0.4 V

18 V

-

-

Safety Agency Approvals

(pending)

UL / cUL Recognized Certified to EN60950

Derating @ 38VDC Input

15

20

25

30

35

40

0

5 10 15 20 25 30 35 40 45 50 55 60 65 70

Ambient Temperature C

200LFM

100LFM

Natural

convection

Derating @ 54VDC Input

0

5

10

15

20

25

30

35

0

5

10 15 20 25 30 35 40 45 50 55 60 65 70

Ambient Temperature C

200LFM

100LFM

Natural

convection

Figure 1: Measurement circuit for reflected ripple current.