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NON-ISOLATED DC/DC CONVERTERS
4.5 Vdc - 14 Vdc Input
Input Specifications
0.75 Vdc - 3.63 Vdc/16 A Output
Parameter
Min
Typ
Max
Notes
Input Voltage
Vo,set < 3.0 V
Vo,set ≥ 3.0 V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
4.5 V
Vo,set +1.5 V
-
-
-
-
-
-
100 mA
2 mA
14 V
14 V
15 A
-
-
Tested with one 1000 uF/25 V AL
Input Reflected Ripple Current (pk-pk)
-
-
400 mA
input capacitor with ESR=0.03 ohm
max and 6 × 47 uF/16 V tantalum
capacitors with ESR=0.013 ohm
Input Reflected Ripple Current (rms)
-
-
150 mA
max 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
-
-
3.7 V
2
4.2 V
-
2
-
4.2 V
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
-
-
-
-
-
-
-
Typ
-
0.1% Vo,set
0.1% Vo,set
0.3% Vo,set
-
180% Io
2
30 mV
12 mV
12 mS
-
-
Max
2% Vo,set
-
-
-
16 A
-
2
75 mV
30 mV
20 mS
1% Vo,set
5000 uF
Notes
Vin=12 V, full load
Io=Iomin to Iomax
Vin=Vinmin to Vinmax
Tref=Tamin to Tamax
Tested with 0-20 MHz, 10 uF
tantalum capacitor & 1 uF TDK
ceramic capacitor at the output
Transient Response
50% ~ 100% Max Load
-
150 mV
-
Settling Time
100% ~ 50% Max Load
Settling Time
All
-
-
-
50 uS
150 mV
50 uS
-
-
-
di/dt=2.5 A/uS; Vin=12 V; and
with 2 × 150 uF polymer
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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