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. 166-6572
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
TWD9,798.00
1 Tray of 25
Tray(s)
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 811-1410
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
TWD417.00
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 124-4230
Mfr. Part No.R420-1.8/PL
BrandRecom
TWD548.00
Each
units
10 → 36 V dc 24 V dc 5V dc 10mA - Surface Mount 1 22.7mm 13.2mm 5.08mm 76 (Typ.)% - -40°C +105°C
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
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. 183-4336
Mfr. Part No.RPM3.3-3.0-CT
BrandRecom
TWD72,129.00
1 Reel of 500
Reel(s)
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. 494-4285
Mfr. Part No.R-629.0P
BrandRecom
TWD604.00
Each
units
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. 166-6575
Mfr. Part No.R-78T3.3-1.0/AL-TRAY
BrandRecom
TWD9,593.00
1 Tray of 25
Tray(s)
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
RS Stock No. 166-8933
Mfr. Part No.R-629.0P
BrandRecom
TWD8,928.00
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. 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. 183-4339
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
TWD92,988.00
1 Reel of 500
Reel(s)
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. 811-1420
Mfr. Part No.R-78T3.3-1.0/AL-TRAY
BrandRecom
TWD406.00
Each
units
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
RS Stock No. 183-4382
Mfr. Part No.RPM5.0-3.0-CT
BrandRecom
TWD180.00
Each
units
3 → 17 V dc 12 V dc 5V dc 3A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 90 → 97% - -40°C +100°C
RS Stock No. 183-4341
Mfr. Part No.RBB10-2.0-CT
BrandRecom
TWD129,725.00
1 Reel of 500
Reel(s)
2.3 → 5.5 V dc 5 V dc 5V dc 4mA 10W Surface Mount 1 12.19mm 12.19mm 3.75mm 96% - -40°C +100°C
RS Stock No. 183-4401
Mfr. Part No.RBB10-2.0-CT
BrandRecom
TWD320.00
Each
units
2.3 → 5.5 V dc 5 V dc 5V dc 4mA 10W Surface Mount 1 12.19mm 12.19mm 3.75mm 96% - -40°C +100°C
RS Stock No. 183-4395
Mfr. Part No.RPM5.0-6.0-CT
BrandRecom
TWD262.00
Each
units
4 → 15 V dc 12 V dc 5V dc 6A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 91 → 99% - -40°C +85°C
RS Stock No. 183-4338
Mfr. Part No.RPM5.0-3.0-CT
BrandRecom
TWD70,699.00
1 Reel of 500
Reel(s)
3 → 17 V dc 12 V dc 5V dc 3A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 90 → 97% - -40°C +100°C
New
RS Stock No. 193-6474
Mfr. Part No.RPX-2.5-CT
BrandRecom
TWD179.00
Each
units
4.5 → 28 V dc 12 V dc 1.2 → 6V dc 2.5A - Surface Mount 1 4.1mm 4.6mm 2.1mm 91 (Typ.)% QFN -40°C +85°C
RS Stock No. 183-4332
Mfr. Part No.RPM3.3-1.0-CT
BrandRecom
TWD63,376.00
1 Reel of 500
Reel(s)
3 → 17 V dc 12 V dc 3.3V dc 1A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 94 → 99% - -40°C +105°C
RS Stock No. 811-1414
Mfr. Part No.R-78T3.3-1.0/AC-TRAY
BrandRecom
TWD387.00
Each
units
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C