ISOLATED DC/DC CONVERTERS
48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output
Output Specifications (continued)
Parameter
Min
Typ
Max
Notes
Transient Response
Overshoot
Settling Time
Overshoot
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
100 mV
200 uS
100 mV
200 uS
100 mV
100 uS
100 mV
100 uS
150 mV
150 uS
150 mV
150 uS
350 mV
200 uS
350 mV
200 uS
150 mV
300 uS
150 mV
300 uS
150 mV
150 uS
150 mV
150 uS
250 mV
200 uS
250 mV
200 uS
500 mV
250 uS
500 mV
250 uS
50% ~ 100%
Max Load
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
100% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
Overshoot
100% ~ 50%
Max Load
di/dt = 0.1 A/uS; Vin = 48
V; Ta = 25 °C and 1 uF
ceramic capacitor
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
Overshoot
100% ~ 50%
Max Load
Settling Time
Overshoot
50% ~ 100%
Max Load
Settling Time
Overshoot
100% ~ 50%
Max Load
Settling Time
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
73%
78%
79%
81%
77%
82%
83%
85%
-
-
-
-
Vin=48 V, IO= IOmax
Switching Frequency
Output Trim Range
200 kHz
95%VO
250 kHz
-
300 kHz
105%VO
For all outputs
Calculated Per Bell Core SR-332 (IO =
Nomal; Ta = 25 °C)
MTBF
TBD
Dimensions
Inches (L × W × H)
1.91 x 0.98 x 0.477
Millimeters (L × W × H)
48.51 x 24.89 x 12.12
Weight
-
10.3 g
-
Note: All specifications are typical at 25 °C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit On)
Signal High (Unit Off)
Signal Low (Unit Off)
Signal High (Unit On)
-0.3 V
3.5 V
-0.3 V
3.5 V
-
-
-
-
0.8 V
18 V
0.8 V
7 V
Active Low
Active High
The remote on/off pin open, Unit
On.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com