NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
Input Specifications
0.75 Vdc - 5.5 Vdc/6 A Output
Parameter
Input Voltage
Min
8.3 V
Typ
12 V
Max
14 V
Notes
Input Current (full load)
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=0.75 V
-
-
-
-
-
2.75 A
1.85 A
1.45 A
1.05 A
0.55 A
4.0 A
2.8 A
2.2 A
1.6 A
0.8 A
Input Current (no load)
Vo=5.0 V
Vo=0.75 V
Remote Off Input Current
-
-
-
-
-
1 mA
100 mA
20 mA
2 mA
I t Inrush Current Transient
0.002 A s
0.02 A s
Input Reflected Ripple Current
(pk-pk)
Input Reflected Ripple Current
(rms)
2
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
-
-
120 mA
40 mA
2
8.1 V
7.5 V
-
-
2
8.2 V
8.0 V
Tested with two 100 uF/25 V tantalum
input capacitors & simulated source
impedance of 1uH, 5 Hz to 20 MHz.
Note : All specifications are typical at 25 ° C unless otherwise stated.
Output Specifications
Parameter
Output Voltage Set Point
Min
-2%Vo,set
Typ
-
Max
2%Vo,set
Notes
Vin=12 V, lo=lomax
Over all operating input
Output Voltage Set Point
-2.5%Vo,set
-
3.5%Vo,set
voltages, resistive loads and
temperature conditions
Adjustment Range Selected by
External Resistor or Voltage
0.7525 V
-
5.5 V
0.25 A s
Load Regulation
Line Regulation
Regulation Over Temperature
(-40 ° C to +85 ° C)
Output Current
Current Limit Threshold
Short Circuit Surge Transient
-0.5%Vo,set
-0.4%Vo,set
-
0A
7.2 A
-
0.4%Vo,set
0.3%Vo,set
0.5%Vo,set
-
-
2
0.5%Vo,set
0.4%Vo,set
-
6A
18 A
-
Io=Io, min to Io, max
Vin=Vin, min to Vin, max
Tref=Ta, min to Ta, max
Ripple and Noise (pk-pk)
Vo=0.75 V
-
20 mV
-
Vo=3.3 V
Vo=5.0 V
-
-
60 mV
75 mV
-
-
Tested with 0-20 MHz, with
10 uF/10 V tantalum capacitor
Ripple and Noise (rms)
Vo=0.75 V
-
7 mV
-
& 1uF/10 V TDK ceramic
capacitor at the output.
Turn on Time
Overshoot at Turn on
Vo=3.3 V
Vo=5.0 V
-
-
-
-
20 mV
25 mV
8 mS
0%
-
-
10 mS
3%
Output Capacitance
ESR ≥ 1mohm
ESR ≥ 10mohm
0 uF
0 uF
-
-
1000 uF
3000 uF
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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