Powering Communications and Technology
IWS SERIES
10 WATT
DESCRIPTION
IWS DC/DC converters offer excellent regulation
and isolation in an industry standard package.
Available in several input versions, the IWS is
perfect for industrial, datacom, or telecom
applications. The IWS features short circuit
protection and 500 VDC isolation. Please see the
IWD series for dual output applications.
EFFICIENCY %
FEATURES
• Industry Standard
Package
• Industry Standard Pinout
• 85°C Case Operation
• Short Circuit Protection
• 5, 12, 24, and 48V
Input Versions
• Input Pi Filter and
6-Sided Shielding
• Regulated Outputs
• 500V Isolation
TECHNICAL SPECIFICATIONS
Input
Voltage Range
5 VDC Nominal
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
Reflected Ripple
Reverse Input Current
4.5 - 9 VDC
9 - 18 VDC
18 - 36 VDC
36 - 72 VDC
20% Iin Max.
Efficiency vs. Load (5V Input)
90
85
80
IWS515
IWS548
75
70
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (12V Input)
90
85
100% Iin Max
.
Output
EFFICIENCY %
80
Setpoint Accuracy
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
±1%
±0.5% Vout
±1.0% Vout
10 % Iout Rated
25% Iout
1% Vout
500 ms
0.02%/°C
1% Vout Nom.
Continuous
130%
75
70
65
60
55
50
10
20
30
40
50
60
70
80
90
100
LOAD %
-1205
-1212
-1215
High Density - Board Mounted Power Division
Settling Time
Temperature Coefficient
Ripple and Noise, 20 MHz BW
Short Circuit Protection 1
Current Limit
General
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Isolation Resistance - Input to Output
Standard Case Operating Range
Industrial Range (add -I to p/n)
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
Safety
Weight (approx.)
300 kHz
500 VDC
500 VDC
500 VDC
109 Ohms
-25 to +85°C
-40 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, cUL, TUV
1.4 oz
Notes
1 Continuous short circuit protection is provided. Long-term
continuous operation in this mode is not recommended.
Converter will auto-restart once fault has been removed.
Specifications typically at 25°C, normal line, and full load, unless
otherwise stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully com-
patible with commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model.
Please consult factory for specific model information.
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Powering Communications and Technology
MODELS -
(See the last page of Section for options.)
Selection Chart
Model
IWS505
IWS512
IWS515
IWS524
IWS548
IWS1205
IWS1212
IWS1215
IWS1224
IWS1248
IWS2424
IWS2448
IWS4824
IWS4848
Vin
(Volts)
5
5
5
5
5
12
12
12
12
12
24
24
48
48
Vin Range
(Volts)
4.5 - 9
4.5 - 9
4.5 - 9
4.5 - 9
4.5 - 9
9 - 18
9 - 18
9 - 18
9 - 18
9 - 18
18 - 36
18 - 36
36 - 72
36 - 72
Iin Max.*
(Amps)
3.20
3.70
3.45
3.60
3.55
1.60
1.80
1.65
1.75
1.75
0.95
0.90
0.45
0.45
Vout
(Volts)
5
12
15
24
48
5
12
15
24
48
24
48
24
48
IWS SERIES
10 WATT
Iout Rated
(Amps)
2.00
1.00
0.75
0.50
0.25
2.00
1.00
0.75
0.50
0.25
0.50
0.25
0.50
0.25
Ripple & Noise
Pk-Pk (mV)
100
120
150
240
480
100
120
150
240
480
240
480
240
480
Efficiency
Typ. **
78%
80%
82%
83%
84%
80%
82%
84%
85%
86%
85%
86%
85%
89%
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
1.00"
(25.4mm)
-0.60"(-15.2mm)
0.18" MIN.
(4.6mm)
0
3
4
2.00"
(50.8mm)
1
2
DIA 0.040"
(1.0mm)
0.800"(20.3mm)
High Density - Board Mounted Power Division
0
-0.10"
(-2.5mm)
0.500"
(12.7mm)
0.300"
(7.6mm)
0.800"
BOTTOM VIEW
0.40"
(10.2mm)
(20.3mm)
Thermal Impedance
Natural Convection 15.4 °C/W
100 LFM
12.2 °C/W
200 LFM
9.3 °C/W
300 LFM
7.4 °C/W
400 LFM
6.4 °C/W
Note:
Thermal impedance data is
dependent on many environmental
factors. The exact thermal
performance should be validated
for specific application.
Pin
1
2
3
4
Function
+V
in
-V
in
+ V
out
- V
out
Tolerances
Inches:
.XX ± 0.040
.XXX ± 0.010
Pin:
± 0.002
Case:
+0.04, -0.00
(Millimeters)
.X ± 1.0
.XX ± 0.25
± 0.05
+1.0, -0.0
(Dimensions as listed unless
otherwise specified.)
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OPTIONS
Powering Communications and Technology
When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and
add them to the model number. Example ordering options are located below the options table.
OPTIONS
Negative Logic
SUFFIX
N
APPLICABLE SERIES
HAS, HBD, HBS, HES, HLS, LES,
QBS, QES, QLS, TES, TQD
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
XWS, XWD, XWT
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
SMS
Encapsulated EWS, IWS, OWS
Standard Pin Length is 0.180"
(4.6mm)
8
9
1H
1V
2H
2V
3H
3V
All Units (Except SMS)
All Units (Except SMS)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Lucent Compatible Trim
Terminal Strip
Trim
Enable
Trim and Enable
Current Share
Headerless
PIN LENGTH AND HEATSINK
OPTIONS
0.110" (2.8mm) Pin Length
0.150" (3.8mm) Pin Length
0.24" (6.1mm) Horizontal Heatsink
0.24" (6.1mm) Vertical Heatsink
0.45" (11.4mm) Horizontal Heatsink
0.45" (11.4mm) Vertical Heatsink
0.95" (24.1mm) Horizontal Heatsink
0.95" (24.1mm) Vertical Heatsink
T
TS
1
2
3
4
Y
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
High Density - Board Mounted Power Division
Includes Thermal Pad
Example Options:
HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent compatible trim, and 0.95” vertical heatsink.
LES015YJ-3N = LES015YJ with optional trim and enable, negative logic.
QBS066ZG-AT8 = QBS066ZG-A with Lucent compatible trim and 0.110” pin length.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical components in life support systems, equipment used
in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manu-
factured. Specifications are subject to change without notice.
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