ISOLATED DC/DC CONVERTERS
48 VDC Input 9.4 VDC/36 A Output, 1/4 Brick
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Transient Response
di/dt =0 .1 A/uS, Vin =48 V
Max deviation
-
-
150 mV
50 uS
250 mV
100 uS
Ta = 25 °C, 25% load change.
Recovery to within ± 1%
General Specifications
Parameter
Min
Typ
128 kHz
-
Max
Notes
Switching Frequency
Operating Temperature
Non-Operating Temperature
Weight
-
-
fixed
-40 °C
85 °C
-
-55 °C
125 °C
-
-
TBD
135 °C
-
-
Overtemp Shutdown
10 °C hysteresis, measured on Q4
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
Protection Features
Short circuit
2.28 x 1.45 x .477
57.9 x 36.8 x 12.1
UVLO Vin < 35.0
OVSD Vin>57.0
Latching
Over current
Undervoltage
Overvoltage
110% to 125% max Io
Remote On/Off
Active Low
0 V
-
0.4 V
Active High
2.0 V
-
20 V
Turn on delay
Outupt voltage rise time
-
-
3.0 ms
5.0 ms
-
-
Safety Agency Approvals
(pending)
UL / cUL Recognized Certified to EN60950
Derating @ 38VDC Input
40
35
30
25
20
15
10
5
200LFM
100LFM
Natural
convection
Figure 1: Measurement circuit for reflected ripple current.
0
0
5
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature C
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com