NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 5.5 Vdc Input
1.2 Vdc - 3.3 Vdc / 6 A Output
Input Specifications (continued)
Parameter
Min
Typ
Max
Notes
Input Current (no load)
-
-
100 mA
-
Remote Off Input Current
5 mA
-
Input Reflected Ripple Current
(pk-pk)
Tested with simulated source impedance
of 1uH, 5 Hz to 20 MHz, a 1000 uF/16 V
electrolytic capacitor, a 220 uF/10 V
Tantalum capacitor and 2.2 uF/50 V
ceramic capacitor at the input.
-
-
60 mA
-
Input Reflected Ripple Current
(rms)
20 mA
-
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
-
-
0.04 A2s
2.7 V
2.6 V
3.0 V
-
1.8 V
Note: All specifications are typical at 25 °C unless otherwise stated.
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
-2% Vo,set
-
2% Vo,set
Vin=5 V, 50% full load
Output Voltage Set Point
Over all operating input voltages,
resistive loads
-3% Vo,set
-
3% Vo,set
(-40 °C - 85 °C)
Load Regulation
-
-
0.4% Vo,set
-
Io=Io, min to 50% Io, max
Vin=Vin, min to Vin, max
Tref=Tamin to Tamax
Line Regulation
0.3% Vo,set
-
-
Temperature Regulation
Output Current
-
0.4% Vo, set
0 A
7 A
-
-
6 A
18 A
-
Current Limit Threshold
-
0.64 A2s
Short Circuit Surge Transient
Tested with 0-20 MHz, with external
10 uF/10 V Tantalum capacitor, 220
uF/10 V Tantalum and 2.2 uF/50 V
ceramic capacitor at the output.
Ripple and Noise (pk-pk)
Ripple and Noise (rms)
-
-
30 mV
10 mV
50 mV
20 mV
Turn on Time
-
-
-
4 mS
-
8 mS
3% Vo
-
Overshoot at Turn on
External Load Capacitance
Transient Response
100 uF/A
Test conditions:
50% ~ 100% Max Load
Settling Time
-
-
-
-
100 mV
-
-
-
-
di/dt=0.1 A/uS; Vin=5 V; with
external 10 uF/10 V Tantalum
capacitor, 220 uF/10 V Tantalum
capacitor and 2.2 uF/50 V
ceramic capacitor at the output.
40 uS
100 mV
40 uS
VO =1.2 -3.3 V
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.
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com