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
New
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. 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. 433-8365
Mfr. Part No.TSI 10N-1211
BrandTRACOPOWER
TWD910
Each
units
6 → 16.5 V dc 12 V dc 3 → 5V dc 2A 10W Through Hole 1 21.5mm 20.2mm 8.3mm 93% SIP -25°C +70°C
New
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. 870-3599
Mfr. Part No.ILR-11-0001
BrandSchurter
TWD138
Each (In a Pack of 50)
units
- - - - - Through Hole - - - - - - - -
RS Stock No. 715-8566
Mfr. Part No.APXS006A0X-SRZ
TWD705
Each
units
4.5 → 14 V dc - 0.59 → 5.5V dc 6A 33W Surface Mount 1 12.2mm 12.2mm 7.25mm 93.6% - -40°C +85°C
RS Stock No. 134-6468
Mfr. Part No.410-294-A
BrandDigilent
TWD832
Each
units
4.5 → 5.5 V dc 5 V dc ±5V dc -200 mA, 250 mA 2.2W - 2 - - - - - - -
RS Stock No. 706-5209
Mfr. Part No.TOS 06-12SM
BrandTRACOPOWER
TWD642
Each
units
8.3 → 14 V dc 12 V dc 0.75 → 5V dc 6A 30W Surface Mount 1 20mm 11.4mm 4.4mm 94% - -40°C +85°C
New
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
New
RS Stock No. 173-6949
Mfr. Part No.OKX-T/16-W5N-C
TWD639
Each
units
2.4 → 5.5 V dc 5 V dc 3.63V dc 16A 52.8W Through Hole 1 51.3mm 9.7mm 12.7mm 95% - -40°C +100°C
RS Stock No. 234-963
Mfr. Part No.3590-2A20
TWD23,117
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. 837-1921
Mfr. Part No.YM12S05
TWD268
Each (In a Pack of 600)
units
9.6 → 14 V dc 12 V dc 0.7525 → 5.5V dc 5A - Surface Mount 1 20.32mm 11.43mm 6.27mm 92% - -40°C +85°C
RS Stock No. 689-4703
Mfr. Part No.OKL-T/3-W12N-C
TWD336
Each
units
4.5 → 14 V dc 12 V dc 0.591 → 5.5V dc 3A 15W Surface Mount 1 12.19mm 12.19mm 6.2mm 93% Case C-83 -40°C +85°C
RS Stock No. 891-3399
Mfr. Part No.SCD30S24-DN
BrandSolaHD
TWD8,721
Each
units
20 → 72 V dc - 24V dc 1.3A 30W Chassis Mount, DIN Rail Mount 1 120mm 65mm 33mm - - -25°C +65°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
New
RS Stock No. 173-6940
Mfr. Part No.OKI-T/36W-W40N-C
TWD602
Each
units
19 → 40 V dc 24 V dc 15.5V dc 3A 36W Surface Mount 1 20.8mm 11.9mm 8.5mm 95% - -40°C +100°C
New
RS Stock No. 166-8931
Mfr. Part No.R-615.0P
BrandRecom
TWD736
Each (In a Tube of 15)
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. 494-4235
Mfr. Part No.R-543.3PA
BrandRecom
TWD1,101
Each
units
4.5 → 18 V dc 12 V dc 3.3V dc 4A 6W Through Hole 1 32.2mm 9.1mm 15mm 93% SIP -40°C +85°C