IMS30 Series: 30W DC/DC Converters
32-75V Input
3.3V & 5.1V, 1.8V & 3.3V Dual Outputs
Product Specifications
Apr 2002
Features
Single board design
Industry standard pin-out
Fixed frequency operation
Magnetic feedback
Low profile – 8.5 mm height
Input/output isolation: 1500 Vdc
Programmable input undervoltage lockout
Low conducted and radiated EMI
Output over-current protection
Thermal protection (with auto-reset)
Remote on/off (primary referenced)
Output over-voltage protection (-0503 version)
Wide output voltage trim adjust, positive or
negative
Operating temperature to 105 C
UL, CSA and EN/IEC60950 (3
rd
ed.) approval
pending
Applications
Distributed power architectures
Industrial applications
Telecommunications equipment
LAN/WAN applications
Data processing
Description
The IMS30 series of board-mountable converters are industry standard size, low profile, dual output, DC/DC
converters and are particularly suitable for applications in industry and telecommunication where variable
input voltages or high transients are prevalent. The product provides on-board conversion of standard
telecom, datacom and industrial input voltage to isolated low output voltages using highly efficient
synchronous rectifiers.
Selection Chart
Model
Input voltage
range,
Vdc
32 - 75
32 - 75
Input
current,
max Adc
1.2
1.1
Output
voltage,
Vdc
5.1
3.3
3.3
1.8
Output rated
current,
Adc
3.1
4.2
4.0
5.0
Output ripple
and noise,
mVp-p
50
50
40
30
Efficiency,
%
85
83
48IMS30-0503-9G
48IMS30-0302-9G
2-Apr-02
Rev 1.1
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Page 1 of 12
IMS30 Series: 30W DC/DC Converters
32-75V Input
3.3V & 5.1V, 1.8V & 3.3V Dual Outputs
Absolute Maximum Ratings
Product Specifications
Apr 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 (max 3 sec)
All operating conditions
Referenced to -Vin
Min
32
-45
-55
-10
Max
75
100
105
125
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
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
Basic
Isolation Voltage (Vps)
1,500
Vdc
Isolation Resistance (Rps)
10
M
Isolation Capacitance (Cps)
4,700
pF
Input Specifications
Specifications apply over specified input voltage, output load and temperature range,
noted.
Parameter
Conditions/Description
Min
Nom
Input Voltage (Vin)
Continuous
32
48
Input Current when Shutdown
Vin.Nom, Remote Control
1
activated
Input Current No Load
Vin.Nom, Io = 0
Turn-On Input Voltage
(-0503)
Ramping Up, Io.Max
31
Turn-Off Input Voltage
(-0503)
Ramping Down, Io.Max
30
Turn-On Input Voltage
(-0302)
Ramping Up, Io.Max
31.2
Turn-Off Input Voltage
(-0302)
Ramping Down, Io.Max
30.4
Turn-On Time
To Output Regulation Band
250
After Remote Control
25
Rise Time
5
Input Reflected Ripple Current
Vin.Max, Io.Max
Input Capacitance
2-Apr-02
Rev 1.1
www.power-one.com
unless otherwise
Max
75
2
100
Units
Vdc
mAdc
mAdc
Vdc
Vdc
Vdc
Vdc
ms
ms
ms
mAp-p
F
400
60
2
Page 2 of 12
IMS30 Series: 30W DC/DC Converters
32-75V Input
3.3V & 5.1V, 1.8V & 3.3V Dual Outputs
Output Specifications
Product Specifications
Apr 2002
All specifications apply over input voltage, output load and temperature @ 25 C, unless otherwise noted.
48IMS30-0503-9G: (Vo1) 5.1V/3.1A
Parameter
Conditions/Description
Output Voltage
Vo1
Vin.Nom, Io1 = 1.55A, Io2 =
Setpoint Accuracy
2.1A, 25 C
Output Current #
Io1
Vin.Min to Vin.Max
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
Cross Regulation
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 Cap.
Comax
Io.Max, Vin.Nom**
Output Current Limit
Icl
Vout <0.90 Vo.Nom, both
Threshold
outputs set to Icl, Vimin
Switching Frequency
Fs
Vin.Nom, Io.Max
Temperature Coeff.
Tco
Min
4.9
0.6
50
Nom
5.1
Max
5.3
3.1
100
Units
Vdc
Adc
mV
See graph (Load/Cross
regulation window)
250
1000
100
2,200
180
260
0.02
± mV
s
mVp-p
F
%Io.Max
kHz
%Vo/ C
Units
Vdc
Adc
mV
mV
mV
± mV
s
mVp-p
F
%Io.Max
%Vo/ C
Vdc
50
120
48IMS30-0503-9G: (Vo2) 3.3V/4.2A
Parameter
Conditions/Description
Min
Output Voltage
Vo2
Vin.Nom, Io1 = 1.55A, Io2 =
3.265
Setpoint Accuracy
2.1A, 25 C
Output Current #
Io2
Vin.Min to Vin.Max
0.6
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
Vin.Nom, Io.Min to Io.Max
Cross Regulation
Io2 = 4.2A, Io1 Min to Max,
measure Vo2
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 Cap.
Comax
Io.Max, Vin.Nom
Output Current Limit
Icl
Vout <0.90 Vo.Nom, both
120
Threshold
outputs set to Icl, Vi.min
Temperature Coeff.
Tco
Trim Range**
Vt
Io.Min to Io.Max, Vin.Min to
2.97
Vin.Max
*
Measure with a 1 F ceramic across each output to ground, 20MHz bandwidth
** Measured with constant resistive load
*** When Vo2 is trimmed, Vo1 follows linearly
Nom
3.3
Max
3.335
4.2
33
35
70
33
200
3000
100
2,200
180
0.02
3.63
50
2-Apr-02
Rev 1.1
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Page 3 of 12
IMS30 Series: 30W DC/DC Converters
32-75V Input
3.3V & 5.1V, 1.8V & 3.3V Dual Outputs
48IMS30-0503-9G Characteristic curves
Efficiency Vs Load
Efficiency
90.00%
80.00%
70.00%
60.00%
50.00%
40.00%
30.00%
20.00%
10.00%
0.00%
0
Imin
25%Inom 50%Inom 75%Inom
Inom
Product Specifications
Apr 2002
Vin M in
Vin Nom
Vin M ax
Iout (A)
Cross regulation and load regulation window
Vo1 vs Input Voltage and Output Load
6.00
3.50
Vo2 vs Input Voltage and Output Load
5.00
3.00
Output Voltage (V)
Output Voltage (V)
4.00
3.00
2.00
1.00
0.00
0.00
0.60
0.78
1.55
2.33
3.10
3.72
4.40
4.70
5.00
5.40
2.50
2.00
1.50
1.00
0.50
0.00
0.00 0.60 1.05 2.10 3.15
4.20 5.04 5.50 5.75 6.00 6.48
Vin Min
Vin Nom
Vin Max
Vin Min
Vin Nom
Vin Max
Output Current (A)
[Equal %load on each output]
Output Current (A)
[Equal %load on each output]
Vo1 Cross Regulation
5.10
3.30
Vo2 Cross Regulation
Vo1 Output Voltage (V)
5.00
3.30
V02 Output Voltage (V)
4.90
4.80
4.70
Vin Min
4.60
4.50
4.40
Imin
25%
50%
75%
Inom
Vin Nom
Vin Max
3.30
3.30
3.30
3.29
3.29
3.29
3.29
3.29
Imin
25%
50%
75%
Inom
Vin Min
Vin Nom
Vin Max
Vo2 Output Current
(setting Vo1 @ Inom)
Vo1 Output Current
(setting Vo2 @ Inom)
2-Apr-02
Rev 1.1
www.power-one.com
Page 4 of 12
IMS30 Series: 30W DC/DC Converters
32-75V Input
3.3V & 5.1V, 1.8V & 3.3V Dual Outputs
Output Specifications
Product Specifications
Apr 2002
All specifications apply over input voltage, output load and temperature @ 25 C, unless otherwise noted.
48IMS30-0302-9G: (Vo1) 3.3V/4A
Parameter
Output Voltage
Vo1
Setpoint Accuracy
Output Current
Io1
Line Regulation
Load Regulation
Cross Regulation
Load Regulation
Cross Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple*
Admissible Load Cap.
Output Current Limit
Threshold
Switching Frequency
Temperature Coeff.
Conditions/Description
Vin.Nom, Io1 = 2.0A, Io2 =
3.0A, 25 C
Vin.Min to Vin.Max
Vin.Min to Vin.Max, 50%
Io.Max
Vin.Nom, Io.Min to Io.Max
Io1 = 4.0A, Io2 Min to Max,
measure Vo1
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, both
outputs set to Icl
Vin.Nom, Io.Max
Min
3.25
0.4
Nom
3.3
Max
3.35
4.0
33
Units
Vdc
Adc
mV
See graph (Load/Cross
regulation window)
140
200
250
200
800
100
2200
180
350
0.02
mV
mV
± mV
s
mVp-p
F
%Io.Max
kHz
%Vo/ C
Units
Vdc
Adc
mV
mV
mV
± mV
s
mVp-p
F
%Io.Max
%Vo/ C
Vdc
Vr
Comax
Icl
Fs
Tco
40
120
48IMS30-0302-9G: (Vo2) 1.8V/5A
Parameter
Output Voltage
Vo2
Setpoint Accuracy
Output Current
Io2
Line Regulation
Load Regulation
Cross Regulation
Dynamic Regulation
Peak Deviation
Settling Time
Output Voltage Ripple*
Admissible Load Cap.
Output Current Limit
Threshold
Temperature Coeff.
Trim Range***
Vr
Comax
Icl
Tco
Vt
Conditions/Description
Vin.Nom, Io1 = 2.0A, Io2 =
3.0A, 25 C
Vin.Min to Vin.Max
Vin.Min to Vin.Max, 50%
Io.Max
Vin.Nom, Io.Min to Io.Max
Io2 = 5.0A, Io1 Min to Max,
measure Vo2
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, both
outputs set to Icl
Min
1.775
0.5
Nom
1.8
Max
1.825
5.0
18
100
150
90
150
600
75
2200
180
0.02
1.98
30
120
Io.Min to Io.Max, Vin.Min to
1.62
Vin.Max
*
Measure with a 1 F ceramic across each output to ground, 20MHz bandwidth
** Measured with constant resistive load
*** When Vo2 is trimmed, Vo1 follows linearly
2-Apr-02
Rev 1.1
www.power-one.com
Page 5 of 12
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