NDS Series: 10W / 3.0A DC/DC Converters
36-75V Input
1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs
Product Specifications
Nov 2001
Output Specifications
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
NDS03ZA : 1.5V/3.0A
Parameter
Conditions/Description
Min
Output Voltage
Setpoint Accuracy
Vo
Vin.Nom, Io = 1.5A, 25°C
1.48
Output Current
Io
Vin.Min to Vin.Max
0
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
Vin.Nom, Io.Min to Io.Max
Dynamic Regulation
50-100% Io.Max load step
Peak Deviation
change.
Settling Time
to 1% error band
Output Voltage Ripple* Vr Vin.Min to Vin.Max, Io.Min to
Io Max, 20MHz Bandwidth
Admissible Load
Comax
Io.Max, Vin.Nom
Capacitance
Output Current Limit
Icl
Vout ≤0.90 Vo.Nom
120
Threshold
Switching Frequency
Fs
Vin.Nom, Io.Max
Temperature
Tco
Coefficient
Trim Range
Vt
Io.Min to Io.Max, Vin.Min to 1.35
Vin.Max
* Measured with a 1µF ceramic across the output pins
NDS03ZA Characteristic curves
Nom
1.50
40
400
Max
Units
1.52
Vdc
3.0
Adc
25
mV
25
mV
250
1,150
75
± mV
µs
mVp-p
2,200
µF
200 %Io.Max
kHz
0.02 %Vo/°C
1.65
Vo
Vout (V)
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
Output Voltage Vs Load
Vin Min
Vin Nom
Vin Max
Iout (A)
Efficiency
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
Efficiency Vs Load
Vin Min
Vin Nom
Vin Max
Iout (A)
5-Nov-01
Rev 1.1
www.power-one.com
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