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BTI/BTJ Series

The BTI and BTJ series are compact, high-efficiency isolated DC-DC converters that are the power-up versions of the BT series.
The BTI and BTJ series are small, 1×1-inch package, and the output power of 15W (BTI) / 30W (BTJ) is realized with high efficiency. The wide input voltage range of 9 to 36 VDC or 18 to 76 VDC makes it suitable for the control board on that different input voltage channels such as 12/24 VDC or 24/48 VDC co-exist. As 9 to 36 VDC products can be used for 12 and 24 VDC channels and 18 to 76 VDC products can be used for 24 and 48 VDC channels respectively, it is not required to stock two products, contributing to inventory reduction. Further, there are single output type and dual output type in this series. In addition to 6-side shield case, small ripple noise (10 to 30mV typical) has been realized.
These products can support the power supply to the analog circuits used in various industrial equipment.
photo_BTI_BTJ

Features

  • High efficiency
  • 1 x 1-inch package
  • Industry standard footprint
  • Wide input voltage range (ratio 4:1)
  • 6-sided shield for lower noise, copper foil on the bottom side
  • Output voltage adjustable
  • Withstand voltage; 1500V DC (1min)
  • No use of tantalum capacitors or electrolytic capacitors.
  • No heat sink required
  • Operating temperature; -40°C to +85°C (temperature derating required)
  • RoHS compliant

BTI Series

ModelInput Voltage
Vdc[V]		Output Voltage
Vdc[V]		Output Power
[W]		Output Current
[A]		Line Reg.
[%](typ.)		Load Reg.
[%](typ.)		Noise
[mVp-p](typ.)		Efficiency
[%](typ.)		Size
(W*D*H/mm)		DatasheetPurchase
BTI24-03S400D24
(9 to 36)		3.3 +/- 2%13.2413.213.2158525.4x25.4x9.9DigiKey
chip1stop
corestaff
BTI24-05S300D5 +/- 2%15320202587
BTI24-12S130D12 +/- 2%15.61.348481588
BTI24-15S100D15 +/- 2%15160601088
BTI24-12W65D+/-12 +/- 5%15.60.65 x 2601201089
BTI24-15W50D+/-15 +/- 5%150.5 x 2751502090
BTI48-03S400D48
(18 to 76)		3.3 +/- 2%13.2413.213.21085
BTI48-05S300D5 +/- 2%15320202587
BTI48-12S130D12 +/- 2%15.61.348482088
BTI48-15S100D15 +/- 2%15160601588
BTI48-12W65D+/-12 +/-5%15.60.65 x 2601201089
BTI48-15W50D+/-15 +/- 5%150.5 x 2751502090

BTJ Series

ModelInput Voltage
Vdc[V]		Output Voltage
Vdc[V]		Output Power
[W]		Output Current
[A]		Line Reg.
[%](typ.)		Load Reg.
[%](typ.)		Noise
[mVp-p](typ.)		Efficiency
[%](typ.)		Size
(W*D*H/mm)		DatasheetPurchase
BTJ24-03S700D24
(9 to 36)		3.3 +/- 2%23.1713.213.2158625.4x25.4x9.9DigiKey
chip1stop
corestaff
BTJ24-05S600D5 +/- 2%30620202589
BTJ24-12S250D12 +/- 2%302.548481589
BTJ24-15S200D15 +/- 2%30260601089
BTJ24-12W125D+/-12 +/- 5%301.25 x 2601203089
BTJ24-15W100D+/-15 +/- 5%301.0 x 2751502091
BTJ48-03S700D48
(18 to 76)		3.3 +/- 2%23.1713.213.21087
BTJ48-05S600D5 +/- 2%30620202590
BTJ48-12S250D12 +/- 2%302.548482090
BTJ48-15S200D15 +/- 2%30260601591
BTJ48-12W125D+/-12 +/- 5%301.25 x 2601203091
BTJ48-15W100D+/-15 +/- 5%301.0 x 2751502092
Dimensions (common to BTI and BTJ)

Pinout

BTI/BTJ-S Series (Single Output)

Pin #Pin NameDescription
1ON/OFFRemote ON/OFF Control
2-VinNegative Input
3+VinPositive Input
4+VoutPositive Output
5VadjOutput Voltage Adjustment
6-VoutNegative Output

BTI/BTJ-W Series (Dual Output)

Pin #Pin NameDescription
1ON/OFFRemote ON/OFF Control
2-VinNegative Input
3+VinPositive Input
4+VoutPositive Output
5COMCommon
6-VoutNegative Output
Efficiency

– Representative Model: BTI-05S300D

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