Digital Control・Non-Isolated POL DC-DC Converter
BDX Series
This product is a step down DC-DC converter that has a feature to change settings
such as output voltage, turn-on sequence and turn-off sequence via serial
communication (PMBus/AVSBus) during operation. Furthermore, the product is
equipped with digital control feature achieving high output voltage accuracy and ultra
high-speed response.
■ Features
･Settings can be changed and monitored
during operation via serial communication
･Output Voltage Accuracy ±0.5%
･Ultra High-Speed Response
(PMBus,AVSBus)
･Small foot print, high power density
･Turn-on and turn-off sequences can be configured
･High-speed serial communication via AVSBus (via PMBus)
･Overcurrent protection
･Under Voltage Lock Out
･ON/OFF Control
･Adjustable Output Voltage
(via PMBus/AVSBus)
･High reliability, High performance
･SMD package
･Non-Isolated Converter
･Operating temperature −40ºC to +85ºC
(Temperature derating required)
･RoHS compliant
･Output Overvoltage Protection
■ Rating
Table 1 ※1
Models
BDP Series
Input V
Vdc
Output V
Vdc
Output I
A
Line Reg.
%(typ.)
Load Reg.
%(typ.)
ﾞ Noise
mVpp(typ.)
Efficiency
%(typ.)
12V
1.0
89
BDX12-1.0S100RM※4
2
0 to 100 ※3
0.2
0.2
0.2
0.2
20
20
※
(8.0 to 14.0)
(0.5 to 1.2)
(Io=50%)
7
※
12V
1.0
89
（Io=50%）
BDX12-1.0S50R0S※5
6
※
2
※
+50A ※3
(8.0 to 14.0)
(0.5 to 1.2)
※1 : Unless otherwise specified, the product is measured at input voltage 12V, output voltage 1.0V, output current 100%, ambient
temperature 25℃±5℃.
※2 : BW=20MHz.
※3 : Depending on ambient temperature, temperature derating and forced air cooling may be required.
※4: It is possible to operate by itself. When connecting in parallel, it becomes the master unit.
※
※
5: It is a slave unit for parallel operation or dual output operation along with BDX12-1.0S100RM. Does not operate as a single unit.
6: By connecting in parallel with BDX12-1.0S100RM, total output current can be added by 50A per BDX12-1.0S50R0S (total
output current 350 A max.)
※
7: When 1 unit of BDX12-1.0S50R0S is used in parallel operation.
■ Specification
Table 2
BDX12-1.0S100RM
Refer to Table 1
12V
1.0V
1.0V
BDX12-1.0S50R0S
Input voltage range
Rated input voltage
Rated output voltage
Default preset output voltage
Adjustable output voltage range
Output voltage accuracy
Line regulation
12V
1.0V
1.0V
Refer to Table 1
±0.5%
±0.5%
Refer to Table 1 (Rated output, Input voltage varying in the range of Table 1)
Refer to Table 1 (Rated I/O voltage, output current varying from 0 to 100%)
Refer to Table 1 (Rated input/output, measurement frequency bandwidth 20MHz)
Load regulation
Ripple noise
Efficiency
Refer to Table 1 (Rated input, output current
Refer to Table 1 (Rated input, output current 50%,
when 1unit used)
50%)
Yes
Yes
Yes
Yes
Yes
Yes
Overcurrent protection
Under voltage lock out
Output overvoltage protection
Remote ON/OFF
P-Good signal
Remote sensing
Operating temperature range
Storage temperature range
Humidity
Storage condition
Cooling condition
Weight
−40ºC to +85ºC (Refer to temperature derating described separately)
−40ºC to +85ºC
20 to 95%R.H. (Max. wet bulb temperature 69°C with no condensation)
Below 30°C /60% R.H before mounting
Refer to temperature derating described separately
9.46g typ.
2.85g typ.
Outer dimensions
W=32.8 L=23.0 H=7.0(mm) (Refer to outer
dimensions described separately)
W=16.5 L=27.0 H=3.95(mm) (Refer to outer
dimensions described separately)
＊
＊
The above specifications are provided with rated value, unless otherwise specified.
The contents provided in this datasheet may be changed at any time without prior notice.
1
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