Product Specifications

NDS Series: 10W / 3.0A DC/DC Converters

Nov 2001

36-75V Input

1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs

5-Nov-01

Rev 1.1

Page 6 of 14

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Output Specifications

All specifications apply over input voltage, output load and temperature range, unless otherwise noted.

NDS03ZE : 3.3V/3.0A

Parameter

Conditions/Description

Min

Nom

Max

Units

Output Voltage

Setpoint Accuracy

Vo

Vin.Nom, Io = 1.5A, 25

°C

3.26

3.3

3.34

Vdc

Output Current

Io

Vin.Min to Vin.Max

0

3.0

Adc

Line Regulation

Vin.Min to Vin.Max, 50%

Io.Max

65

mV

Load Regulation

Vin.Nom, Io.Min to Io.Max

65

mV

Dynamic Regulation

Peak Deviation

Settling Time

50-100% Io.Max load step

change.

to 1% error band

250

250

± mV

µs

Output Voltage Ripple*

Vr

Vin.Min to Vin.Max, Io.Min to

Io Max, 20MHz Bandwidth

50

75

mVp-p

Admissible Load

Capacitance

Comax

Io.Max, Vin.Nom

2,200

µF

Output Current Limit

Threshold

Icl

Vout ≤0.90 Vo.Nom

120

200

%Io.Max

Switching Frequency

Fs

Vin.Nom, Io.Max

400

kHz

Temperature

Coefficient

Tco

0.02

%Vo/

°C

Trim Range

Vt

Io.Min to Io.Max, Vin.Min to

Vin.Max

3.0

3.6

Vo

* Measured with a 1

µF ceramic across the output pins

NDS03ZE Characteristic curves

Output Voltage Vs Load

0.00

0.50

1.00

1.50

2.00

2.50

3.00

3.50

Iout (A)

Vout (V)

Vin Min

Vin Nom

Vin Max

Efficiency Vs Load

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

Iout (A)

Efficiency

Vin Min

Vin Nom

Vin Max