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
New
RS Stock No. 210-8769
Mfr. Part No.FS1404-3300-AS
BrandTDK
TWD43,794.00
1 Reel of 250
Reel(s)
4.5 → 16 V dc 4.5 V dc - 4A - - - - - - - - - -
RS Stock No. 166-8933
Mfr. Part No.R-629.0P
BrandRecom
TWD9,101.00
1 Tube of 15
Tube(s)
11 → 32 V dc 24 V dc 9V dc 2A 18W Through Hole 1 32.2mm 9.1mm 15mm 95% SIP -40°C +85°C
RS Stock No. 689-4716
Mfr. Part No.OKY-T/3-W5P-C
TWD210.00
Each
units
2.4 → 5.5 V dc 5 V dc 0.75 → 3.63V dc 3A 9.9W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 461-947
Mfr. Part No.LDO03C-005W05-VJ
TWD290.00
Each
units
3 → 13.8 V dc - 0.59 → 5.1V dc 3A 15W Through Hole 1 9.4mm 5.37mm 15.49mm - - 0°C +70°C
RS Stock No. 200-3533
Mfr. Part No.TOS 06-05SIL
BrandTRACOPOWER
TWD709.00
Each
units
2.4 - 5.5 VDC 3.95 VDC - 6A - - - - - - - - - -
RS Stock No. 706-5209
Mfr. Part No.TOS 06-12SM
BrandTRACOPOWER
TWD783.00
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
RS Stock No. 183-4372
Mfr. Part No.RPM5.0-1.0-CT
BrandRecom
TWD179.00
Each
units
3 → 17 V dc 12 V dc 5V dc 1A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 92 → 99% - -40°C +105°C
RS Stock No. 173-6934
Mfr. Part No.OKL-T/1-W12N-C
TWD66,200.00
1 Reel of 800
Reel(s)
2.9 → 14 V dc 12 V dc 5.5V dc 1A 5W Surface Mount 1 12.4mm 12.4mm 4.6mm 90% Case C-83 -40°C +85°C
RS Stock No. 183-4378
Mfr. Part No.RPM3.3-3.0-CT
BrandRecom
TWD180.00
Each
units
3 → 17 V dc 12 V dc 3.3V dc 3A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 87 → 97% - -40°C +100°C
RS Stock No. 689-4725
Mfr. Part No.OKY-T/5-W5N-C
TWD262.00
Each
units
2.4 → 5.5 V dc 5 V dc 0.75 → 3.63V dc 5A 16.5W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 462-013
Mfr. Part No.PTH12060WAD
TWD570.00
Each
units
10.8 → 13.2 V dc 12 V dc 1.2 → 5.5V dc 10A 55W Through Hole 1 25.27mm 15.75mm 9mm - - -40°C +85°C
RS Stock No. 183-4388
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
TWD237.00
Each
units
4 → 15 V dc 12 V dc 3.3V dc 6A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 88 → 97% - -40°C +85°C
RS Stock No. 494-4257
Mfr. Part No.R-619.0P
BrandRecom
TWD587.00
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. 183-4334
Mfr. Part No.RPM3.3-2.0-CT
BrandRecom
TWD68,201.00
1 Reel of 500
Reel(s)
3 → 17 V dc 12 V dc 3.3V dc 2A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 90 → 98% - -40°C +105°C
RS Stock No. 204-7575
Mfr. Part No.TSR 1-2433E
BrandTRACOPOWER
TWD993.00
1 Tube of 10
Tube(s)
6 to 36 V dc 24 V dc 3.3V dc 1000mA 3.3W - - - - - - - - -
New
RS Stock No. 210-1276
Mfr. Part No.i7C4W012A050V-001-R
BrandTDK-Lambda
TWD1,980.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 167-0614
Mfr. Part No.OKY-T/5-W5N-C
TWD86,094.00
1 Reel of 400
Reel(s)
2.4 → 5.5 V dc 5 V dc 0.75 → 3.63V dc 5A 16.5W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 183-4374
Mfr. Part No.RPM3.3-2.0-CT
BrandRecom
TWD170.00
Each
units
3 → 17 V dc 12 V dc 3.3V dc 2A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 90 → 98% - -40°C +105°C
RS Stock No. 204-0613
Mfr. Part No.I6A4W020A033V-0S1-R
BrandTDK-Lambda
TWD36,177.00
1 Tray of 30
Tray(s)
9, 53 V dc 9 V dc 3.3, 15 V dc 20A 250W - - - - - - - - -
RS Stock No. 811-1432
Mfr. Part No.R-78T12-1.0/AL-TRAY
BrandRecom
TWD400.00
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C