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|
 Features:
■2:1
Wide Input Range.
■3W DIP-24 Package.
■High Efficiency up to 86%.
■UL94V-0 Package Material.
■Low Ripple and Noise.
■Continuous Short Circuit
Protection, Auto-Restarting.
■1000Vdc Isolation.
■Input π
Filter
■Operating Temperature Range
-40°C to +85°C.
■Case Temperature 40°C
@ Ta=25°C
■Meet CE EN-60950-1
Certified
Note:
Metal case could be selected with "M"
after P/N |
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Description:
The B3WR series is a wide input voltage range of DC-DC converters
offering a single and
dual regulated output.
24-pin
DIP and high efficiency allows an operation
temperature of
-40°C
to +85°C except the 4.5~9V
input voltage range.
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|
Selection
Guide |
|
P/N |
Input Range |
Output Voltage |
Output Current |
Efficiency
|
|
B3WR-053.3
B3WR-0505/D B3WR-0509/D
B3WR-0512/D
B3WR-0515/D |
4.5~9VDC |
3.3
5/±5
9/±9
12/±12
15/±15 |
900mA
600mA/±300mA
333mA/±167mA
250mA/±125mA
200mA/±100mA |
76%
70%
74%
75%
76%
|
|
B3WR-12.3.3
B3WR-1205/D
B3WR-1209/D
B3WR-1212/D
B3WR-1215/D |
9~18VDC |
3.3
5/±5
9/±9
12/±12
15/±15 |
900mA
600mA/±300mA
333mA/±167mA
250mA/±125mA
200mA/±100mA |
73%
76%
81%
83%
84%
|
|
B3WR-243.3
B3WR-2405/D
B3WR-2409/D
B3WR-2412/D
B3WR-2415/D |
18~36VDC |
3.3
5/±5
9/±9
12/±12
15/±15 |
900mA
600mA/±300mA
333mA/±167mA
250mA/±125mA
200mA/±100mA |
76%
78%
82%
84%
86%
|
|
B3WR-483.3
B3WR-4805/D
B3WR-4809/D
B3WR-4812/D
B3WR-4815/D |
36~72VDC |
3.3
5/±5
9/±9
12/±12
15/±15 |
900mA
600mA/±300mA
333mA/±167mA
250mA/±125mA
200mA/±100mA |
78%
80%
83%
85%
85%
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Electrical Specifications |
|
Input Filter |
π type. |
|
Voltage set accuracy |
|
MIN. |
TYP. |
MAX. |
|
|
±1% |
±2% |
|
Line Regulation |
Low line to High line @ Max. load |
|
|
0.3% |
|
Load Regulation |
20%~100% load |
|
|
0.6% |
|
Ripple & Noise @ 20MHz BW
(Note 1) |
|
|
|
50mVp-p |
|
Operating Temperature |
Vin=5V |
-40°C |
|
+80°C |
|
Vin=12V,24V,48V |
-40°C |
|
+85°C |
|
Storage Temperature |
|
-50°C |
|
+125°C |
|
Short-Circuit Protection |
Continuous ,
Auto-Restarting |
|
Operating Frequency (Pulse
Frequency Modulation , PFM)
|
Vin = Nominal Input
|
100KHZ |
|
Isolation Test Voltage |
Tested for 1 second Min |
MIN. |
TYP. |
MAX. |
|
1000Vdc |
|
|
|
Isolation Capacity |
|
|
40pF |
|
|
Isolation Resistance |
|
1GΏ |
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Humidity |
|
|
|
95% |
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MTBF
(MIL-HDBK-217F) |
|
|
106 hours |
|
|
Case Temperature |
Vin = Nominal Input @ Ta= 25°C |
|
40°C |
|
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Physical Specifications |
| Case
Material |
Non
conductive Black Plastic |
| Potting
Material |
Epoxy(UL94V-0) |
| Weight |
12.0g |
All
specifications valid at nominal input voltage , full load @ 25°C
after warm-up time unless otherwise stated.
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Outline Dimension |
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Note:
1. To measure the output ripple & noise with short runs by
0.1uF/50V @ 20MHz nominal input
and full load. Please see as below :
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