Non-Isolated DC-DC Converters

Non-isolated DC-DC converters are electronic devices that convert a source of direct current (DC) from one voltage level to another. They are a type of electric power converter. Isolated DC-DC converters are based on the same principle of operation, but keep the input and output electrically isolated by a transformer. This allows for different voltages between inputs and outputs, much more considerable than with non-isolated ones.

What are non-isolated DC-DC converters used for?

DC-DC converters are used in portable electronic devices such as mobile phones and laptops, which are primarily supplied with power from batteries. Non-isolated DC-DC converters increase voltage from a partially lowered battery voltage, thereby saving space instead of using multiple batteries. Most DC-DC converter circuits also regulate the output voltage.

Types of non-isolated DC - DC converters

Non-isolated DC-DC converters have different protection features for your devices. They can ensure current limit, over current and over temperature protection. Many of them guarantee over voltage and under voltage protection, and prevent short circuits. Some of them have very high efficiency (up to 95%) which means that they do not require heatsinks or fans.


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Description Price Input Voltage Range Input Voltage Nominal Output Voltage Output Current Power Rating Mounting Type Number of Outputs Length Width Depth Efficiency Package Minimum Temperature Maximum Temperature
RS Stock No. 715-8544
Mfr. Part No.APXS002A0X-SRZ
TWD196
Each
units
3 → 14 V dc 12 V dc 0.6 → 5.5V dc 2A 11W Surface Mount 1 12.2mm 12.2mm 6.25mm 93.6% - -40°C +85°C
RS Stock No. 167-0617
Mfr. Part No.OKR-T/3-W12-C
TWD221
Each (In a Tray of 360)
units
4.5 → 14 V dc 12 V dc 0.591 → 6V dc 3A 15W Through Hole 1 10.4mm 5.6mm 16.5mm - SIP -40°C +85°C
RS Stock No. 689-4722
Mfr. Part No.OKR-T/3-W12-C
TWD227
Each
units
4.5 → 14 V dc 12 V dc 0.591 → 6V dc 3A 15W Through Hole 1 10.4mm 5.6mm 16.5mm - SIP -40°C +85°C
RS Stock No. 870-3599
Mfr. Part No.ILR-11-0001
BrandSchurter
TWD138
Each (In a Pack of 50)
units
- - - - - Through Hole - - - - - - - -
RS Stock No. 811-1410
Mfr. Part No.R-78T12-1.0/FC
BrandRecom
TWD410
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 166-6572
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
TWD484
Each (In a Tray of 25)
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 167-0614
Mfr. Part No.OKY-T/5-W5N-C
TWD278
Each (On a Reel of 400)
units
2.4 → 5.5 V dc 5 V dc 0.753 → 3.63V dc 5A 16.5W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 234-979
Mfr. Part No.3590-1A20
TWD16,980
Each
units
21.6 → 30 V dc 24 V dc 0 → 5kV 1mA - Screw Mount 1 95.2mm 49.8mm 20mm - - 0°C +50°C
RS Stock No. 167-0615
Mfr. Part No.OKY-T/5-W5P-C
TWD278
Each (On a Reel of 400)
units
2.4 → 5.5 V dc 5 V dc 0.753 → 3.63V dc 5A 16.5W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 433-8359
Mfr. Part No.TSI 10N-0510
BrandTRACOPOWER
TWD1,165
Each
units
4.75 → 13.6 V dc 5 V dc 1.8 → 3.3V dc 2A 10W Through Hole 1 21.5mm 20.2mm 8.3mm 92% SIP -25°C +70°C
RS Stock No. 494-4257
Mfr. Part No.R-619.0P
BrandRecom
TWD798
Each
units
11 → 32 V dc 24 V dc 9V dc 1A 18W Through Hole 1 32.2mm 9.1mm 15mm 96% SIP -40°C +85°C
RS Stock No. 811-1426
Mfr. Part No.R-78T12-1.0/AC
BrandRecom
TWD509
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 461-935
Mfr. Part No.LDO010C-005W05-VJ
TWD484
Each
units
3 → 13.8 V dc 12 V dc 0.59 → 5.1V dc 10A 50W Through Hole 1 10.41mm 16.51mm 11.35mm - - -40°C +85°C
RS Stock No. 494-4241
Mfr. Part No.R-615.0P
BrandRecom
TWD798
Each
units
9 → 32 V dc 24 V dc 5V dc 1A 18W Through Hole 1 32.2mm 9.1mm 15mm 91% SIP -40°C +85°C
RS Stock No. 162-0602
Mfr. Part No.OKX2-T/10-D12P-C
TWD455
Each (In a Tray of 114)
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 167-0972
Mfr. Part No.OKX-T/16-D12P-C
TWD500
Each (In a Tray of 114)
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 706-6432
Mfr. Part No.TOS 06-12SIL
BrandTRACOPOWER
TWD861
Each
units
8.3 → 14 V dc 12 V dc 0.75 → 5V dc 6A 30W Through Hole 1 22mm 6.65mm 10.2mm 94% SIP -40°C +85°C
RS Stock No. 162-0608
Mfr. Part No.OKY-T/3-W5N-C
TWD201
Each (On a Reel of 400)
units
2.4 → 5.5 V dc 5 V dc 0.753 → 3.63V dc 3A 9.9W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 167-0630
Mfr. Part No.OKX-T/16-D12N-C
TWD500
Each (In a Tray of 114)
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 689-4753
Mfr. Part No.OKX2-T/16-D12N-C
TWD894
Each
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C