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NON-ISOLATED DC/DC CONVERTERS
2.4 Vdc - 5.5 Vdc Input
Input Specifications
0.75 Vdc - 3.63 Vdc/16 A Output
Parameter
Min
Typ
Max
Notes
Input Voltage
Vo ≤ 1.5 V
Vo=1.8-2.5 V
Vo=3.3 V
2.4 V
3.0 V
4.5 V
-
-
-
5.5 V
5.5 V
5.5 V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
Vo=3.3 V
Vo=1.8 V
Vo=0.75 V
-
-
-
-
-
11.23 A
6.47 A
3.08 A
80 mA
10 mA
12.89 A
13.55 A
6.67 A
-
22 mA
Input Reflected Ripple Current (pk-pk)
-
100 mA
-
Tested with two 100 uF/10 V tantalum
input capacitors (P/N:
TPSC107K010R0075 AVX) & simulated
I t Inrush Current Transient
0.15 A s
0.3 A s
Input Reflected Ripple Current (rms)
2
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
-
40 mA
2
2.2 V
2.0 V
-
-
-
2
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=5 V, lo=lomax full load
Over all operating input
Output Voltage Set Point
-3%Vo,set
-
3%Vo,set
voltages, resistive loads and
temperature conditions
1.6 A s
2A s
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
-
-
-
0A
19 A
-
-
-
-
-
0.4%Vo,set
0.3%Vo,set
0.5%Vo,set
-
-
2
25 mV
8 mV
4 mS
0%Vo,set
-
-
-
16 A
35 A
2
50 mV
15 mV
8 mS
3%Vo,set
Io=Iomin to Iomax
Vin=Vinmin to Vinmax
Tref=Tamin to Tamax
Tested with 0-20 MHz,
10 uF/16 V tantalum capacitor
& 1 uF/10 V TDK ceramic
capacitor at output
Output Capacitance
ESR ≥ 1mohm
ESR ≥ 10mohm
0 uF
0 uF
-
-
1000 uF
5000 uF
Transient Response
50% ~ 100% Max Load
-
300 mV
-
di/dt=2.5 A/ uS; Vin=5 V; and
Settling Time
100% ~ 50% Max Load
Settling Time
V O =0.75 V -
3.3 V
-
-
-
50 uS
300 mV
50 uS
-
-
-
with 10 uF/16 V tantalum
capacitor & 1 uF/10 V ceramic
capacitor at output
Transient Response
50% ~ 100% Max Load
-
150 mV
-
di/dt=2.5 A/ uS; Vin=5 V; and
Settling Time
100% ~ 50% Max Load
Settling Time
V O =0.75 V -
3.3 V
-
-
-
100 uS
150 mV
100 uS
-
-
-
with two 150 uF/10 V tantalum
capacitors & 1 uF/10 V ceramic
capacitor at output
Note : All specifications are typical at nominal input (Vin=5 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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