IMS30 30-Watt DC-DC Converter Data Sheet
Features
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Applications
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Distributed power architectures
Industrial applications
Telecommunications equipment
LAN/WAN applications
Data processing
RoHS lead-solder-exempt compliant
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 overcurrent protection
Thermal protection (with auto-reset)
Remote on/off (primary referenced)
Output overvoltage protection (-0503 version)
Wide output voltage trim adjust, positive or
negative
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Operating temperature to 105
rd
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UL, CSA and EN/IEC6095 (3 ed.) approval
pending
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 onboard 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
JUN 10, 2004 revised to APR 18, 2006
Page 1 of 12
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IMS30 30-Watt DC-DC Converter Data Sheet
Absolute Maximum Ratings
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
Conditions/Description
Input voltage (Vin)
Continuous
Transient Input Voltage (Vint)
Transient, 100ms (max 3 sec)
Operating CaseTemp. (Tc)
All operating conditions
Storage Temperature (Ts)
ON/OFF Control Voltage (Vrc)
Referenced to -Vin
Min
32
-45
-55
-1 0
Max
75
100
105
125
5
Units
Vdc
Vdc
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
S tan da rd pr oce ss
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
unless otherwise
Max
75
2
100
Units
Vdc
mAdc
mAdc
Vdc
Vdc
Vdc
Vdc
ms
ms
ms
mAp-p
F
400
60
2
JUN 10, 2004 revised to APR 18, 2006
Page 2 of 12
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IMS30 30-Watt DC-DC Converter Data Sheet
Output Specifications
All specifications apply over input voltage, output load and temperature @ 25
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
Output
ent #
Io1
Vin.Min to Vin.Max
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
ross 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 ap.
omax
Io.Max, Vin.Nom**
Output
ent Limit
Icl
Vout <0.90 Vo.Nom, both
Threshold
outputs set to Icl, Vimin
Switching Frequency
Fs
Vin.Nom, Io.Max
Temperature oeff.
Tco
48IMS30-0503-9G: (Vo2) 3.3V/4.2A
Parameter
Conditions/Description
Output Voltage
Vo2
Vin.Nom, Io1 = 1.55A, Io2 =
Setpoint Accuracy
2.1A, 25
Output
ent #
Io2
Vin.Min to Vin.Max
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
Vin.Nom, Io.Min to Io.Max
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 ap.
omax
Io.Max, Vin.Nom
Output
ent Limit
Icl
Vout <0.90 Vo.Nom, both
Threshold
outputs set to Icl, Vi.min
Temperature oeff.
Tco
Trim Range**
Vt
Io.Min to Io.Max, Vin.Min to
Vin.Max
unless otherwise noted.
Min
4.9
0.6
Nom
5.1
Max
5.3
3.1
100
Units
Vdc
Adc
mV
50
See graph (Load/
ss
regulation window)
250
1000
100
2,200
180
260
0.02
± mV
s
mVp-p
F
%Io.Max
kHz
%Vo/
50
120
Min
3.265
0.6
Nom
3.3
Max
3.335
4.2
33
Units
Vdc
Adc
mV
mV
mV
35
70
33
50
200
3000
100
2,200
180
0.02
3.63
± mV
s
mVp-p
F
%Io.Max
%Vo/
Vdc
120
2.97
*
Measure with a 1 F ceramic across each output to ground, 20MHz bandwidth
** Measured with constant resistive load
*** When Vo2 is trim med, Vo1 follows linearly
JUN 10, 2004 revised to APR 18, 2006
Page 3 of 12
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IMS30 30-Watt DC-DC Converter Data Sheet
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
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)
JUN 10, 2004 revised to APR 18, 2006
Page 4 of 12
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IMS30 30-Watt DC-DC Converter Data Sheet
Output Specifications
All specifications apply over input voltage, output load and temperature @ 25
48IMS30-0302-9G: (Vo1) 3.3V/4A
Parameter
Conditions/Description
Output Voltage
Vo1
Vin.Nom, Io1 = 2.0A, Io2 =
Setpoint Accuracy
3.0A, 25
Output
ent
Io1
Vin.Min to Vin.Max
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
ross Regulation
Load Regulation
Vin.Nom, Io.Min to Io.Max
Regulation
Io1 = 4.0A, Io2 Min to Max,
measure Vo1
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 ap.
omax
Io.Max, Vin.Nom**
Output
ent Limit
Icl
Vout 0.90 Vo.Nom, both
Threshold
outputs set to Icl
Switching Frequency
Fs
Vin.Nom, Io.Max
Temperature oeff.
Tco
unless otherwise noted.
Min
3.25
0.4
Nom
3.3
Max
3.35
4.0
33
Units
Vdc
Adc
mV
See graph (Load/
ss
regulation window)
140
200
250
mV
mV
40
200
800
100
2200
180
± mV
s
mVp-p
F
%Io.Max
kHz
%Vo/
120
350
0.02
48IMS30-0302-9G: (Vo2) 1.8V/5A
Parameter
Conditions/Description
Min
Output Voltage
Vo2
Vin.Nom, Io1 = 2.0A, Io2 =
1.775
Setpoint Accuracy
3.0A, 25
Output
ent
Io2
Vin.Min to Vin.Max
0.5
Line Regulation
Vin.Min to Vin.Max, 50%
Io.Max
Load Regulation
Vin.Nom, Io.Min to Io.Max
Regulation
Io2 = 5.0A, 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 ap.
omax
Io.Max, Vin.Nom**
Output
ent Limit
Icl
Vout 0.90 Vo.Nom, both
120
Threshold
outputs set to Icl
Temperature oeff.
Tco
Trim Range***
Vt
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 trim med, Vo1 follows linearly
Nom
1.8
Max
1.825
5.0
18
Units
Vdc
Adc
mV
mV
mV
100
150
90
30
150
600
75
2200
180
0.02
1.98
± mV
s
mVp-p
F
%Io.Max
%Vo/
Vdc
JUN 10, 2004 revised to APR 18, 2006
Page 5 of 12
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