RDS Series: 20W DC/DC Converters
36-75V Input
1.8V, 3.3V and 5.0V Outputs
Product Specification
Sep 2002
Features
•
•
•
•
•
•
•
•
•
•
Single board design
Basic Isolation
Low profile SMT design
Excellent co-planarity (within 0.1mm)
Input/output isolation: 1500 Vdc
High current density
Output over-current protection
Full rated output power to 60°C with no airflow
Operating temperature to 100°C
Remote shutdown (primary referenced),
negative logic option also available
•
Output voltage trim adjust, positive or
negative
•
8.5mm height
•
Basic insulation
rd
•
UL, CSA and EN/IEC60950 (3 ed.)
approvals pending
Applications
•
•
•
•
•
Distributed power architectures
Telecommunications equipment
LAN/WAN applications
Data processing
Industrial applications
Description
The RDS series of converters are low profile, single output, DC/DC converters intended for SMT placement
and reflow soldering. The product provides on-board conversion of standard telecom and datacom input
voltages to isolated low output voltages. Proprietary patented manufacturing processes with full process
automation ensure optimal product quality. These are very high performance, cost effective converters with
a very small PCB footprint.
Selection Chart
Model
RDS06ZB-M6
RDS05ZE-M6
RDS04ZG-M6
Input
voltage,
Vdc
36-75
36-75
36-75
Input
current,
max, Adc
0.65
0.65
0.65
Output
voltage,
Vdc
1.8
3.3
5.0
Output rated
current,
Adc
6.0
5.0
4.0
Output ripple
and noise,
mVp-p
75
75
50
Efficiency,
%
83
83
86
5-Sep-02
Rev 0.6
www.power-one.com
Page 1 of 12
RDS Series: 20W DC/DC Converters
36-75V Input
1.8V, 3.3V and 5.0V Outputs
Absolute Maximum Ratings
Product Specification
Sep 2002
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect
long term reliability and cause permanent damage to the converter. Specifications apply over specified input
voltage, output load and temperature range, unless otherwise noted.
Parameter
Input voltage (Vin)
Transient Input Voltage (Vint)
Operating CaseTemp. (Tc)
Storage Temperature (Ts)
ON/OFF Control Voltage (Vrc)
Conditions/Description
Continuous
Transient, 100ms
At 100% load
Referenced to -Vin
Min
36
-40
-55
-1.0
Max
75
100
100
120
5.5
Units
Vdc
Vdc
°C
°C
Vdc
Environmental and Mechanical Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Shock
IEC68-2-27
100
g
Sinusoidal Vibration
IEC68-2-6
10
g
Weight
0.6/17
oz/g
Water Washing
Standard process
Yes
N/A
MTBF
Per Bellcore TR-NWT-000332
2,500
kHrs
Isolation Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Insulation Safety Rating
Vin = 36 – 75Vdc
Basic
N/A
Isolation Voltage (Vps)
1,500
Vdc
Isolation Resistance (Rps)
10
MOhm
Isolation Capacitance (Cps)
8,200
pF
Input Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise
noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Input Voltage (Vin)
Continuous
36
48
75
Vdc
Input Current when Shutdown
Vin.Nom, Remote Control
3
10
mAdc
activated
Turn-On Input Voltage 36-75 Vin Ramping Up, Io.Max
32
34
36
Vdc
Turn-Off Input Voltage 36-75 Vin Ramping Down, Io.Max
30
32
34
Vdc
Turn-On Time
To Output Regulation Band
600
ms
After Remote Control
30
ms
Rise Time
5
ms
Input Reflected Ripple Current
Vin.Max, Io.Max
50
mAp-p
Input Capacitance
1.4
µF
5-Sep-02
Rev 0.6
www.power-one.com
Page 2 of 12
RDS Series: 20W DC/DC Converters
36-75V Input
1.8V, 3.3V and 5.0V Outputs
Output Specifications
Product Specification
Sep 2002
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
RDS06ZB : 1.8V/6A
Parameter
Output Voltage
Setpoint Accuracy
Output Current
Line Regulation
Load Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple
Admissible Load
Capacitance
Output Current Limit
Threshold
Switching Frequency
Temperature
Coefficient
Trim Range
Vo
Io
Conditions/Description
Vin.Nom, Io = 3.0A, 25°C
Vin.Min to Vin.Max
Vin.Min to Vin.Max, 50%
Io.Max
Vin.Nom, Io.Min to Io.Max
50-100% Io.Max load step
change.
to 1% error band
Vin.Min to Vin.Max, Io.Min to
Io Max, 20MHz Bandwidth
Io.Max, Vin.Nom
Vout
≤0.90
Vo.Nom
Vin.Nom, Io.Max
Io.Min to Io.Max, Vin.Min to
Vin.Max
1.62
Min
1.78
0
Nom
1.8
Max
1.82
6.0
36
36
150
500
100
2,200
120
400
0.02
1.98
200
Units
Vdc
Adc
mV
mV
± mV
µs
mVp-p
µF
%Io.Max
kHz
%Vo/°C
Vdc
Vr
Comax
Icl
Fs
Tco
Vt
75
RFS06ZB Characteristic curves
Vout (V)
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
Output Voltage Vs Load
Efficiency
100%
90%
80%
70%
60%
50%
Efficiency Vs Load
Vin Min
Vin Nom
Vin Max
40%
30%
20%
10%
Vin Min
Vin Nom
Vin Max
10.80
12.00
0.00
1.20
2.40
3.60
4.80
6.00
7.20
8.40
9.60
0%
0.00
0.60
1.80
3.00
4.20
5.40
Iout (A)
Iout (A)
5-Sep-02
Rev 0.6
www.power-one.com
Page 3 of 12
RDS Series: 20W DC/DC Converters
36-75V Input
1.8V, 3.3V and 5.0V Outputs
Output Specifications
Product Specification
Sep 2002
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
RDS05ZE : 3.3V/5A
Parameter
Output Voltage
Setpoint Accuracy
Output Current
Line Regulation
Load Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple
Admissible Load
Capacitance
Output Current Limit
Threshold
Switching Frequency
Temperature
Coefficient
Trim Range
Vo
Io
Conditions/Description
Vin.Nom, Io = 3.0A, 25°C
Vin.Min to Vin.Max
Vin.Min to Vin.Max, 50%
Io.Max
Vin.Nom, Io.Min to Io.Max
50-100% Io.Max load step
change.
to 1% error band
Vin.Min to Vin.Max, Io.Min to
Io Max, 20MHz Bandwidth
Io.Max, Vin.Nom
Vout
≤0.90
Vo.Nom
Vin.Nom, Io.Max
Io.Min to Io.Max, Vin.Min to
Vin.Max
2.97
Min
3.26
0
Nom
3.3
Max
3.34
5.0
65
65
150
500
100
2,200
120
400
0.02
3.63
200
Units
Vdc
Adc
mV
mV
± mV
µs
mVp-p
µF
%Io.Max
kHz
%Vo/°C
Vdc
Vr
Comax
Icl
Fs
Tco
Vt
75
RFS05ZE Characteristic curves
Vout (V)
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
Output Voltage Vs Load
Efficiency
100%
90%
80%
70%
60%
50%
Efficiency Vs Load
Vin Min
Vin Nom
Vin Max
40%
30%
20%
10%
Vin Min
Vin Nom
Vin Max
10.80
12.00
0.00
1.20
2.40
3.60
4.80
6.00
7.20
8.40
9.60
0%
0.00
0.60
1.80
3.00
4.20
5.40
Iout (A)
Iout (A)
5-Sep-02
Rev 0.6
www.power-one.com
Page 4 of 12
RDS Series: 20W DC/DC Converters
36-75V Input
1.8V, 3.3V and 5.0V Outputs
Output Specifications
Product Specification
Sep 2002
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
RDS04ZG : 5.0V/4.0A
Parameter
Output Voltage
Setpoint Accuracy
Output Current
Line Regulation
Load Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple
Admissible Load
Capacitance
Output Current Limit
Threshold
Switching Frequency
Temperature
Coefficient
Trim Range
Vo
Io
Conditions/Description
Vin.Nom, Io = 2.0 A, 25°C
Vin.Min to Vin.Max
Vin.Min to Vin.Max, 50%
Io.Max
Vin.Nom, Io.Min to Io.Max
50-100% Io.Max load step
change.
to 1% error band
Vin.Min to Vin.Max, Io.Min to
Io Max, 20MHz Bandwidth
Io.Max, Vin.Nom
Vout
≤0.90
Vo.Nom
Vin.Nom, Io.Max
Io.Min to Io.Max, Vin.Min to
Vin.Max
4.5
Min
4.94
0
Nom
5.0
Max
5.06
4.0
100
100
250
500
100
2,200
120
400
0.02
5.5
200
Units
Vdc
Adc
mV
mV
± mV
µs
mVp-p
µF
%Io.Max
kHz
%Vo/°C
Vdc
Vr
Comax
Icl
Fs
Tco
Vt
50
RDS04ZG Characteristic curves
Vout (V)
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0.00
0.60
1.20
1.80
2.40
3.00
3.60
4.20
4.80
5.40
6.00
6.60
7.20
7.80
Output Voltage Vs Load
Efficiency
100%
90%
80%
70%
60%
50%
Efficiency Vs Load
Vin Min
Vin Nom
Vin Max
40%
30%
20%
10%
0%
0.00
0.20
0.40
0.80
1.20
1.60
2.00
2.40
2.80
3.20
3.60
Vin Min
Vin Nom
Vin Max
Iout (A)
5-Sep-02
Rev 0.6
www.power-one.com
Page 5 of 12
4.00
Iout (A)
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