POWER-ONE BWS1212

BWS SERIES - 2.5 WATT
DESCRIPTION
FEATURES
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.
• Industry Standard DIP
Package
• Industry Standard Pinout
• 85°C Case Operation
• Short Circuit Protection
•
•
•
•
Wide Range Inputs
Input Pi Filter
Regulated Outputs
500V Isolation
TECHNICAL SPECIFICATIONS
Input
Voltage Range
5 VDC Nominal
12 VDC Nominal
Reflected Ripple
4.5 - 9 VDC
9 - 18 VDC
20% Iin Max.
Reverse Input Current
100% Iin Max.
Output
Setpoint Accuracy
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
±5%
±1.5% Vout
±2.5% Vout
10% Iout Rated
25% Iout
Pk Deviation
1% Vout
Settling Time
Temperature Coefficient
Ripple And Noise, 20 MHz BW
Short Circuit Protection 1
500 ms
0.02%/°C
150 mV
Continuous
180%
Current Limit
General
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
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
Notes
1 Continuous short circuit protection is provided. Long-term continuous
80 pF
0.70 W
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.
-25 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, cUL, TUV
0.6 oz
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.
REV. 10/01
1
BWS SERIES - 2.5 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)
BWS0505
BWS0512
BWS1205
BWS1212
BWS1215
BWS4805
5
5
12
12
12
48
4.5 - 9
4.5 - 9
9 - 18
9 - 18
9 - 18
36 - 72
0.85
0.95
0.45
0.5
0.5
0.10
5
12
5
12
12
5
0.5
0.25
0.5
0.25
0.2
0.5
NOTES:
RIPPLE & NOISE
pk-pk (mV)
TYPICAL
EFFICIENCY**
150
150
150
150
150
150
71%
79%
70%
79%
79%
74%
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
BOTTOM VIEW
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
Note:
Thermal impedance data is dependent
on many environmental factors. The
exact thermal performance should be
validated for specific application.
Pin
Tolerances
Function
1 & 24
2 & 23
No Pin
-Vin / +Vin
3 & 22
4 & 21
5 & 20
6 & 19
7 & 18
8 & 17
9 & 16
-Vin / +Vin
No Pin
No Pin
No Pin
No Pin
No Pin
NC / -Vout
10 & 15
11 & 14
NC / NC
NC / +Vout
12 & 13
No Pin
2
Inches:
.XX ± 0.040
.XXX ± 0.010
Pin:
± 0.002
(Millimeters)
.X ± 1.0
.XX ± 0.25
± 0.05
(Dimensions as listed unless otherwise
specified.)
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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