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NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/3 A Output
Input Specifications (continued)
Parameter
Remote Off Input Current
Min
-
Typ
3 mA
Max
6 mA
Notes
Input Reflected Ripple Current (pk-pk)
Vo=5.0 V
-
75 mA
120 mA
I t Inrush Current Transient
0.01 A s
0.02 A s
Vo=3.3 V
Vo=0.75 V
Input Reflected Ripple Current (rms)
Vo=5.0 V
Vo=3.3 V
Vo=0.75 V
2
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
-
-
-
7.6V
7.0V
50 mA
20 mA
20 mA
15 mA
5 mA
2
7.9 V
7.8 V
90 mA
35 mA
60 mA
30 mA
15 mA
2
8.2 V
8.1 V
Tested with two 100 uF/25 V tantalum
input capacitors & simulated source
impedance of 1 uH, 5 Hz to 20 MHz.
Output Specifications
Parameter
Output Voltage Set Point
Min
-2% Vo,set
Typ
-
Max
2% Vo,set
Notes
Vin=12 V, lo=lomax, full load
Over all operating input
Output Voltage Set Point
-2.5% Vo,set
-
3.5% Vo,set
voltages, resistive loads and
temperature conditions
0.15 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
5A
-
0.4% Vo,set
0.3% Vo,set
0.5% Vo,set
-
-
2
0.5% Vo,set
0.4% Vo,set
0.8% Vo,set
3A
12 A
-
Io=Iomin to Iomax
Vin=Vinmin to Vinmax
Ripple and Noise (pk-pk)
Vo=5.0 V
-
65 mV
100 mV
Vo=3.3 V
Vo=0.75 V
-
-
45 mV
20 mV
80 mV
35 mV
Tested with 0-20 MHz, with
10 uF/10 V tantalum capacitor
Ripple and Noise (rms)
Vo=5.0 V
-
20 mV
40 mV
and 1uF/10 V ceramic
capacitor at the output
Turn on Time
Overshoot at Turn on
Output Capacitance
Vo=3.3 V
Vo=0.75 V
-
-
-
-
0 uF
10 mV
5 mV
5 mS
0%
-
25 mV
15 mV
8 mS
3%
1200 uF
Transient Response
50% ~ 100% Max Load
Settling Time
100% ~ 50% Max Load
Settling Time
All
-
-
-
-
200 mV
50 uS
200 mV
50 uS
300 mV
80 uS
300 mV
80 uS
di/dt=2.5 A/uS; Vin=12 V; and
with 10 uF/10 V tantalum
capacitor and 1 uF/10 V
ceramic capacitor at the output
Note : All specifications are typical at nominal input (Vin=12 V), 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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