Product Specifications

RND Series: 8-10W DC/DC Converters

Nov 2001

38-75V Input

3.3V & 5.0V, ±12V Dual Outputs (±15V, available with trimming)

5-Nov-01

Rev 1.1

Page 5 of 14

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Output Specifications

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

RND0.8ZHH: (Vo1) +12.0V/0.42A

Parameter

Conditions/Description

Min

Nom

Max

Units

Output Voltage

Setpoint Accuracy

Vo

Vin.Nom, Io = 0.3A, 25

°C

11.82

12.00

12.18

Vdc

Output Current *

Io

Vin.Min to Vin.Max

0.042

0.42

Adc

Line Regulation

Vin.Min to Vin.Max, 50%

Io.Max

90

mV

Load Regulation

Vin.Nom, Io.Min to Io.Max

100

170

mV

Cross Regulation

Io1 = 0.42A, Io2 Min to Max,

measure ∆Vo2

60

mV

Dynamic Regulation

Peak Deviation

Settling Time

25-75% Io.Max load step

change.

to 1% error band

400

300

± mV

µs

Output Voltage Ripple

Vr

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

Io Max, 20MHz Bandwidth

40

100

mVp-p

Admissible Load Cap.

Comax

Io.Max, Vin.Nom

100**

µF

Output Current Limit

Threshold

Icl

Vout ≤0.90 Vo.Nom, both

outputs set to Icl

110

150

%Io.Max

Switching Frequency

Fs

Vin.Nom, Io.Max

400

kHz

Temperature Coeff.

Tco

0.02

%Vo/

°C

Trim Range

Vt

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

Vin.Max

9.0

15.0

Vo

RND0.8ZHH: (Vo2) -12.0V/0.42A

Parameter

Conditions/Description

Min

Nom

Max

Units

Output Voltage

Setpoint Accuracy

Vo

Vin.Nom, Io = 0.3A, 25

°C

-11.82

-12.00

-12.18

Vdc

Output Current *

Io

Vin.Min to Vin.Max

0.042

0.42

Adc

Line Regulation

Vin.Min to Vin.Max, 50%

Io.Max

90

mV

Load Regulation

Vin.Nom, Io.Min to Io.Max

100

170

mV

Cross Regulation

Io1 = 0.42A, Io2 Min to Max,

measure ∆Vo2

60

mV

Dynamic Regulation

Peak Deviation

Settling Time

25-75% Io.Max load step

change.

to 1% error band

400

300

± mV

µs

Output Voltage Ripple

Vr

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

Io Max, 20MHz Bandwidth

40

100

mVp-p

Admissible Load Cap.

Comax

Io.Max, Vin.Nom

100**

µF

Output Current Limit

Threshold

Icl

Vout ≤0.90 Vo.Nom, both

outputs set to Icl

110

150

%Io.Max

Switching Frequency

Fs

Vin.Nom, Io.Max

400

kHz

Temperature Coeff.

Tco

0.02

%Vo/

°C

Trim Range

Vt

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

Vin.Max

-9.0

-15.0

Vo

* At Iout<Iout.Min, the output may contain low frequency component that exceeds ripple specifications.

** 100

µF on each output