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Features:
■2:1
Wide Input Range.
■3W DIP-24 Package.
■Input
π
Filter
■Internal
SMD design.
■High Efficiency up to 86%.
■UL94V-0 Package Material.
■Low Ripple and Noise.
■Continuous Short Circuit
Protection, Auto-Restarting.
■2000Vdc Isolation min.
■Operating Temperature Range
-40°C to +85°C.
■Meet CE EN-60950-1
Certified
Note:
(1) Add "/H" after Order Code for isolation
4000Vdc min.
(2)
Metal case could be selected with "M" after
P/N
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Description:
The B3WR-xxxxxC/DC series is a wide input voltage range of
DC-DC converters offering a signal
and dual regulated output. 24-pin DIP and
high efficiency allows an
operating
temperature of
-40°C to
+85°C except the 4.5V~9V input voltage range.
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Selection
Guide |
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P/N
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Input Rang
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Output Voltage
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Output Current
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Efficiency Typ
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B3WR-053.3C
B3WR-0505C/DC
B3WR-0509C/DC
B3WR-0512C/DC
B3WR-0515C/DC
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4.5~9 VDC
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3.3
5/±5
9/±9
12/±12
15/±15
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900mA
600mA/ 300mA
333mA/ 167mA
250mA/ 125mA
200mA/ 100mA
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66%
71%
74%
75%
75%
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B3WR-123.3C
B3WR-1205C/DC
B3WR-1209C/DC
B3WR-1212C/DC
B3WR-1215C/DC
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9~18 VDC
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3.3
5/±5
9/±9
12/±12
15/±15
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900mA
600mA/ 300mA
333mA/ 167mA
250mA/ 125mA
200mA/ 100mA
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73%
75%
81%
83%
84%
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B3WR-243.3C
B3WR-2405C/DC
B3WR-2409C/DC
B3WR-2412C/DC
B3WR-2415C/DC
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18~36 VDC
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3.3
5/±5
9/±9
12/±12
15/±15
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900mA
600mA/ 300mA
333mA/ 167mA
250mA/ 125mA
200mA/ 100mA
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76%
78%
82%
84%
86%
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B3WR-483.3C
B3WR-4805C/DC
B3WR-4809C/DC
B3WR-4812C/DC
B3WR-4815C/DC
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36~72 VDC
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3.3
5/±5
9/±9
12/±12
15/±15
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900mA
600mA/ 300mA
333mA/ 167mA
250mA/ 125mA
200mA/ 100mA
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78%
79%
83%
85%
85%
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Electrical Specifications |
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Input Filter |
π type. |
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Voltage set accuracy |
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MIN. |
TYP. |
MAX. |
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±1% |
±2% |
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Line Regulation |
Low line to High line @ Max. load |
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0.3% |
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Load Regulation |
20%~100% load |
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0.6% |
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Ripple & Noise @ 20MHz BW ( Note
1) |
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50mVp-p |
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Operating Temperature |
Vin=5V |
-40°C |
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+80°C |
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Vin=12V,24V,48V |
-40°C |
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+85°C |
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Storage Temperature |
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-50°C |
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+125°C |
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Short-Circuit Protection |
Continuous,
Auto Restart |
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Operating Frequency
(Pulse
Frequency Modulation ,PFM)
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Vin = Nominal Input |
100KHZ |
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Isolation Test Voltage |
Tested for 1 second Min |
MIN. |
TYP. |
MAX. |
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2000Vdc |
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Isolation Capacity |
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40pF |
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Isolation Resistance |
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1GΏ |
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Humidity |
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95% |
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MTBF
(MIL-HDBK-217F) |
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106 hours |
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Case Temperature |
Vin = Nominal Input @ Ta= 25°C |
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40°C |
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Physical Specification
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Case
Material
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Non
conductive Black Plastic
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Potting
Material
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Epoxy(
UL94V-0 )
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Weight
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12.0g
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All
specifications valid at nominal input voltage, full load @ 25℃ after warm-up time unless otherwise stated.
| Outline Dimensions |
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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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