POWER-ONE IWS548

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.
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
Efficiency vs. Load (5V Input)
90
EFFICIENCY %
85
TECHNICAL SPECIFICATIONS
Input
80
IWS515
IWS548
75
Voltage Range
5 VDC Nominal
4.5 - 9 VDC
12 VDC Nominal
9 - 18 VDC
24 VDC Nominal
18 - 36 VDC
48 VDC Nominal
36 - 72 VDC
Reflected Ripple
20% Iin Max.
Reverse Input Current
100% Iin Max.
70
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (12V Input)
90
85
80
Setpoint accuracy
EFFICIENCY %
Output
±1%
Line regulation Vin Min. - Vin Max., Iout Rated
±0.5% Vout
Load regulation Iout Min. - Iout Max., Vin Nom.
±1.0% Vout
Minimum output current
25% Iout
Pk deviation
1% Vout
Settling time
500 ms
Temperature coefficient
-1205
70
-1212
65
-1215
10 % Iout Rated
Dynamic regulation, loadstep
75
60
55
50
10
20
30
40
50
0.02%/°C
Ripple and noise, 20 MHz BW
Short-circuit protection 1
70
80
90
100
1% Vout Nom.
General
Continuous
Current Limit
60
LOAD %
130%
Switching Frequency
300 kHz
Isolation
Input - Output
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.
500 VDC
Output - Case
500 VDC
Isolation Resistance - Input to Output
Standard Case Operating Range
Specifications typically at 25°C, normal line, and full load, unless
otherwise stated.
Storage Range
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Humidity Max., Non-Condensing
Safety: Agency approvals may vary from model to model. Please
consult factory for specific model information.
Safety
Vibration, 3 Axes, 5 Min Each
Weight (approx.)
REV. 09/01
1
500 VDC
Input - Case
109 Ohms
-25 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, cUL, TUV
1.4 oz
IWS SERIES - 10 WATT
MODELS - (See the last page of Section for options.)
MODEL
INPUT VOLTAGE
(VOLTS)
INPUT VOLTAGE
RANGE (VOLTS)
MAXIMUM INPUT
CURRENT (AMPS)*
OUTPUT
VOLTAGE (VOLTS)
RATED OUTPUT
CURRENT (AMPS)
IWS505
IWS512
IWS515
IWS524
IWS548
IWS1205
IWS1212
IWS1215
IWS1224
IWS1248
IWS2424
IWS2448
IWS4824
IWS4848
5
5
5
5
5
12
12
12
12
12
24
24
48
48
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 - 75
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
5
12
15
24
48
5
12
15
24
48
24
48
24
48
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
NOTES:
RIPPLE & NOISE
pk-pk (mV)
TYPICAL
EFFICIENCY**
100
120
150
240
480
100
120
150
240
480
240
480
240
480
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
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
15.4 °C/W
12.2 °C/W
9.3 °C/W
7.4 °C/W
6.4 °C/W
Pin
Function
1
+Vin
2
3
-Vin
+ Vout
4
- Vout
Note:
Thermal impedance data is dependent
on many environmental factors. The
exact thermal performance should be
validated for specific application.
Tolerances
Inches:
.XX ± 0.040
.XXX ± 0.010
(Millimeters)
.X ± 1.0
.XX ± 0.25
Pin:
± 0.002
± 0.05
Case:
+0.04, -0.00
+1.0, -0.0
(Dimensions as listed unless otherwise
specified.)
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OPTIONS
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.
OPTION
SUFFIX
APPLICABLE SERIES
Negative Logic
N
HAS, HBD, HBS, HES, HLS, HLD, LES,
QBS, QES, QLS, TES, TQD
Lucent-Compatible
T
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
Terminal Strip
TS
XWS, XWD, XWT
Trim
1
IAS, LES
Enable
2
IAD, IAS, LES, SMS
Trim and Enable
3
IAS, LES
Current Share
4
SMS
Headerless
Y
Encapsulated EWS, IWS, OWS
Pin Length and Heatsink Options
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Standard Pin Length is 0.180" (4.6mm)
0.110" (2.8mm) Pin Length
8
All Units (Except SMS)
0.150" (3.8mm) Pin Length
9
All Units (Except SMS)
0.24" (6.1mm) Horizontal Heatsink
1H
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
Includes Thermal Pad
0.24" (6.1mm) Vertical Heatsink
1V
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
Includes Thermal Pad
0.45" (11.4mm) Horizontal Heatsink
2H
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
Includes Thermal Pad
0.45" (11.4mm) Vertical Heatsink
2V
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
Includes Thermal Pad
0.95" (24.1mm) Horizontal Heatsink
3H
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
Includes Thermal Pad
0.95" (24.1mm) Vertical Heatsink
3V
All Units (All Units Except DIP, HLS, HLD, QLS,
SIP, SM, TLD, and TKD Packages)
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 manufactured. Specifications are subject to change without notice.
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