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Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
2.4 Vdc - 5.5 Vdc Input
0.75 Vdc - 3.63 Vdc/10 A Output
Input Specifications
Parameter
Min
2.4 V
-
-
-
-
-
Typ
-
7.0 A
4.04 A
1.89 A
80 mA
15 mA
Max
5.5 V
8.06A
6.98A
4.06A
-
22 mA
Notes
Input Voltage
Input Current (full load)
Vo, set
≤
Vin-0.5 V
Vo=3.3 V
Vo=1.8 V
Vo=0.75 V
Input Current (no load)
Remote Off Input Current
Tested with two 100 uF/10 V tantalum
input capacitors (P/N:
TPSC107K010R0075 AVX) & simulated
source impedance of
1 uH, 5 Hz to 20 MHz.
Input Reflected Ripple Current (pk-pk)
-
120 mA
-
Input Reflected Ripple Current (rms)
-
35 mA
-
I
2
t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
Note
: All specifications are typical at 25
°
C
unless otherwise stated.
-
-
-
-
0.2 A
2
s
-
-
2.2 V
2.0 V
Output Specifications
Parameter
Output Voltage Set Point
Min
Typ
-
Max
Notes
-2%Vo,set
2%Vo,set
Vin=5 V, lo=lomax full load
Over all operating input voltages,
resistive loads and temperature
conditions
Io=Io, min to Io, max
Vin=Vin, min to Vin, max
Output Voltage Set Point
-3%Vo,set
-
3%Vo,set
Load Regulation
Line Regulation
Regulation Over Temperature
(-40
°
C to +85
°
C)
Output Current
Current Limit Threshold
Short Circuit Surge Transient
-
-
0.4%Vo,set
0.3%Vo,set
-
-
-
0.5%Vo,set
-
Tref=Ta, min to Ta, max
0 A
15 A
-
-
-
-
10 A
30 A
2 A
2
s
Ripple and Noise (pk-pk)
-
25 mV
50 mV
Ripple and Noise (rms)
-
8 mV
15 mV
Tested with 0-20 MHz, BW
10 uF/16 V tantalum capacitor & 1
uF/10 V TDK ceramic capacitor at
the output
Turn on Time
Overshoot at Turn on
Output Capacitance
-
-
4 mS
0%Vo,set
-
-
8 mS
3%Vo,set
1000 uF
4700 uF
ESR
≥
1 mohm
ESR
≥
10 mohm
0 uF
0 uF
Transient Response
50% ~ 100% Max Load
Settling Time
100% ~ 50% Max Load
Settling Time
50% ~ 100% Max Load
Settling Time
100% ~ 50% Max Load
Settling Time
Note
: All specifications are typical at nominal input (Vin=5 V), full load at 25
°
C
unless otherwise stated.
-
-
-
-
-
-
-
-
200 mV
25 uS
200 mV
25 uS
120 mV
50 uS
120 mV
50 uS
-
-
-
-
-
-
-
-
All
di/dt=2.5 A/uS; Vin=5 V; and
with 10 uF/16 V tantalum
capacitor & 1 uF/10 V ceramic
capacitor at the output
di/dt=2.5 A/uS; Vin=5 V; and
with two 150 uF/10 V tantalum
capacitors & 1 uF/10 V ceramic
capacitor at the output
All