Powering Communications and Technology
BWS SERIES
2.5 WATT
DESCRIPTION
BWS DC/DC converters offer excellent regulation
and isolation in an industry standard DIP package.
The BWS is ideal for industrial, telecom, and
networking applications, and features short circuit
protection, low profile, and 500 VDC isolation. Please
see the BWD series for dual output applications.
FEATURES
• Industry Standard DIP
Package
• Industry Standard Pinout
• 85°C Case Operation
• Short Circuit Protection
TECHNICAL SPECIFICATIONS
General
4.5 - 9 VDC
9 - 18 VDC
20% I
in
Max.
100% I
in
Max.
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Isolation Resistance - Input to Output
Isolation Capacitance - Input to Output
No Load Input Power
Case Temperature
Standard Operating Range
Industrial Range (Add -I to p/n)
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
Safety
Weight (approx.)
200 kHz
500 VDC
500 VDC
500 VDC
109 Ohms
80 pF
0.70 W
-25 to +85°C
-40 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, cUL, TUV
0.6 oz
•
•
•
•
Wide Range Inputs
Input Pi Filter
Regulated Outputs
500V Isolation
Input
Voltage Range
5 VDC Nominal
12 VDC Nominal
Reflected Ripple
Reverse Input Current
Output
Setpoint Accuracy
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min. - I
out
Max., V
in
Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Temperature Coefficient
Ripple And Noise, 20 MHz BW
Short Circuit Protection 1
Current Limit
±5%
±1.5% V
out
±2.5% V
out
10% I
out
Rated
25% I
out
1% V
out
500
µs
0.02%/°C
150 mV
Continuous
180%
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 compatible 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.)
Vin
(Volts)
5
5
12
12
12
Vin Range
(Volts)
4.5 - 9
4.5 - 9
9 - 18
9 - 18
9 - 18
Iin Max.*
(Amps)
0.85
0.95
0.45
0.50
0.50
Vout
(Volts)
5
12
5
12
15
Iout Rated
(Amps)
0.50
0.25
0.50
0.25
0.20
BWS SERIES
2.5 WATT
Ripple & Noise
Pk-Pk (mV)
150
150
150
150
150
Efficiency
Typ. **
71%
79%
70%
79%
79%
Model
BWS0505
BWS0512
BWS1205
BWS1212
BWS1215
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
Pin
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
23.6 °C/W
16.7 °C/W
13.1 °C/W
9.4 °C/W
8.5 °C/W
1 & 24
2 & 23
3 & 22
4 & 21
5 & 20
6 & 19
7 & 18
8 & 17
9 & 16
10 & 15
11 & 14
12 & 13
Function
No Pin
-V
in
/ +V
in
Tolerances
Inches:
.XX ± 0.040
.XXX ± 0.010
Pin:
± 0.002
(Millimeters)
.X ± 1.0
.XX ± 0.25
-
V
in
/ +V
in
No Pin
No Pin
No Pin
No Pin
No Pin
NC / -V
out
NC / NC
NC / +V
out
No Pin
± 0.05
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated
for specific application.
(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
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
8
9
1H
1V
2H
2V
3H
3V
All Units (Except SMS)
All Units (Except SMS)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
SUFFIX
N
T
TS
1
2
3
4
Y
APPLICABLE SERIES
HAS, HBD, HBS, HES, LES, QBS,
QES, TES, TQD
HAS, HBD, HBS, HES, QBS, QES
XWS, XWD, XWT
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
SMS
Encapsulated EWS, IWS, OWS
Standard Pin Length is 0.180"
(4.6mm)
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
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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PCB Design
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