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BWD SERIES - DUAL OUTPUT, 2.5 WATT
DESCRIPTION
FEATURES
•
•
•
•
Wide Range Input
Input Pi Filter
500V Isolation
Short Circuit Protection
BWD dual output DC/DC converters offer excellent
• Industry Standard Dip
regulation and isolation in an industry standard DIP
Package
package. With several input voltage ranges, the BWD • Industry Standard Pinout
is perfect for industrial, telecom, and networking
• 85°C Case Operation
applications. The BWD features short circuit
protection, low profile, and 500 VDC isolation. Please
see the BWS series for single output applications.
Efficiency vs.
85
80
75
EFFICIENCY %
Load (24V Input)
70
65
60
55
50
45
40
EFF.
BWD2415
EFF.
BWD2412
TECHNICAL SPECIFICATIONS
Input
Voltage Range
5 VDC Nominal
12 VDC Nominal
24 VDC Nominal
48 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, 1/4 to Full Load Step
Pk Deviation
Settling Time
Temperature Coefficient
Ripple and Noise, 20 MHz BW
Short Circuit Protection
1
Current Limit
±1%
±1.5% V
out
±2.5% V
out
4.5 - 9 VDC
9 - 18 VDC
19 - 36 VDC
36 - 72 VDC
20% I
in
Max.
100% I
in
Max.
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
90
85
80
EFFICIENCY %
10 % l
out
Rated
25% I
out
4% V
out
500
µs
0.02%/°C
150 mV
Continuous Auto-restart
180%
75
70
65
60
55
50
45
40
10
20
30
40
50
60
70
80
90
100
LOAD %
EFF.
BWD4812
EFF.
BWD4808
General
No Load Input Power
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Isolation Resistance - Input to Output
Isolation Capacitance - Input to Output
Case Temperature
Standard Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
Safety
Weight (Approx.)
0.7 W
200 kHz
500 VDC
500 VDC
500 VDC
10
9
Ohms
80 pF
-25 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, CUL, TUV
0.7 oz
Notes
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
1
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.
1
BWD SERIES - DUAL OUTPUT, 2.5 WATT
MODELS - (See the last page of this file for options.)
Vin
(Volts)
5
5
12
12
12
24
24
24
48
48
48
Vin Range
(Volts)
4.5 - 9.0
4.5 - 9.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
36.0 - 72.0
36.0 - 72.0
36.0 - 72.0
Iin Max.*
(Amps)
0.92
0.93
0.42
0.46
0.46
0.20
0.23
0.23
0.10
0.11
0.11
Vout
(Volts)
±12
±15
±5
±12
±15
±5
±12
±15
±5
±12
±15
Iout Rated
(Amps)
±.0.125
±.0.100
±0.250
±0.125
±0.100
±0.250
±0.125
±0.100
±0.250
±0.125
±0.100
Ripple & Noise
Pk-Pk (mV)
150
150
150
150
150
150
150
150
150
150
150
Efficiency
Typ. **
79%
73%
73%
79%
79%
75%
79%
78%
76%
79%
79%
Model
BWD512
BWD0515
BWD1205
BWD1212
BWD1215
BWD2405
BWD2412
BWD2415
BWD4805
BWD4812
BWD4815
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
0.80"
(20.3mm)
0.900"(22.9mm)
0.800"(20.3mm)
23
22
2
3
1.25"
(31.8mm)
0.18"(4.6mm)
BOTTOM VIEW
0.200"(5.1mm)
0.100"(2.5mm)
0
0.175"( 4.5mm)
0.10" 0
( 2.5mm)
0.600"
(15.2mm)
16
15
14
9
10
11
DIA 0.020"
(0.5mm)
0.52"
(13.2mm)
Pin
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
2.5
2.1
1.7
1.3
°C/W
°C/W
°C/W
°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
- V
in
/ +V
in
No Pin
No Pin
No Pin
No Pin
No Pin
Common
No Conn.
-V
out
/ + V
out
No Pin
Tolerances
Inches:
.XX ± 0.040
.XXX ± 0.010
Pin:
± 0.002
(Millimeters)
.X ± 1.0
.XX ± 0.25
± 0.05
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
(Tolerances as listed unless otherwise specified.)
2
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
Negative Logic
Lucent Compatible Trim
Terminal Strip
Trim
Enable
Trim and Enable
Current Share
Headerless
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
REMARKS
TTL “Low” Turns Module ON
TTL “High” Turns Module OFF
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)
Standard Pin Length is 0.180”
(4.6mm)
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 manufactured. Specifications are subject to change without notice.
3
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