NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
Input Specifications
0.75 Vdc - 5.0 Vdc/10 A Output
Parameter
Min
Typ
Max
Notes
Input Voltage
Vo, set ≤ 3.63 V
Vo, set > 3.63 V
8.3 V
8.3 V
12 V
12 V
14 V
13.2 V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
-
-
-
-
80 mA
2 mA
6.5 A
-
-
An input line fuse must always be
used.
Tested with one 1000 uF/25 V AL
Input Reflected Ripple Current (pk-pk)
-
-
100 mA
input capacitor with ESR=0.03 ohm
max and 4 × 47 uF/25 V tan
capacitors with ESR=0.013 ohm max
Input Reflected Ripple Current (rms)
-
-
30 mA
at 100 kHz, & simulated source
impedance of 1000 nH, 5 Hz to
20 MHz.
I t Inrush Current Transient
0.2 A s
0.4 A s
2
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
2
7.9 V
7.8 V
2
Note : All specifications are typical at 25 ° C unless otherwise stated.
Output Specifications
1A s
3A s
Parameter
Output Voltage Set Point
Load Regulation
Line Regulation
Regulation Over Temperature
(-40 ° C to +85 ° C)
Output Current
Current Limit Threshold
Short Circuit Surge Transient
Ripple and Noise (pk-pk)
Ripple and Noise (rms)
Turn on Time
Overshoot at Turn on
Output Capacitance
Min
-2% Vo,set
-
-
-
0A
-
-
-
-
-
-
0 uF
Typ
-
0.3% Vo,set
0.2% Vo,set
0.4% Vo,set
-
200% Io
2
40 mV
20 mV
8 mS
-
-
Max
2% Vo,set
-
-
-
10 A
-
2
100 mV
40 mV
20 mS
1% Vo,set
5000 uF
Notes
Vin=12 V, full load
Tref=Tamin to Tamax
Tested with 0-20 MHz, with
10 uF tantalum capacitor &
1 uF ceramic capacitor
Transient Response
50% ~ 100% Max Load
-
100 mV
-
Settling Time
100% ~ 50% Max Load
Settling Time
V O = 0.75 V -
5V
-
-
-
50 uS
100 mV
50 uS
-
-
-
di/dt=2.5 A/uS; Vin=12 V;
and with 470 uF tantalum
capacitors at the output
Note : All specifications are typical at nominal input, full load at 25 ° C unless otherwise stated.
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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