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
TWD163.00
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
TWD62,907.00
1 Tray of 360
Tray(s)
4.5 → 14 V dc 12 V dc 0.59 → 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
TWD234.00
Each
units
4.5 → 14 V dc 12 V dc 0.59 → 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-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. 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. 891-3402
Mfr. Part No.SCD30D15-DN
BrandSolaHD
TWD8,348.00
Each
units
20 → 72 V dc - -15V dc, 15 V dc 800mA 30W Chassis Mount, DIN Rail Mount 2 120mm 65mm 33mm - - -25°C +65°C
RS Stock No. 235-067
Mfr. Part No.4479-212
TWD17,330.00
Each
units
22 → 28 V dc 28 V dc 0 → 2kV 1mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C
RS Stock No. 134-6468
Mfr. Part No.410-294-A
BrandDigilent
TWD636.00
Each
units
4.5 → 5.5 V dc 5 V dc ±5V dc -200 mA, 250 mA 2.2W - 2 - - - - - - -
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. 193-2058
Mfr. Part No.TSR 1-48240WI
BrandTRACOPOWER
TWD5,455.00
1 Tube of 10
Tube(s)
33 → 72 V dc 33 V dc 24V dc 700mA - - - - - - - - - -
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. 134-6469
Mfr. Part No.410-294-B
BrandDigilent
TWD636.00
Each
units
4.5 → 5.5 V dc 5 V dc ±3.3V dc -320 mA, 350 mA 2.2W - 2 - - - - - - -
RS Stock No. 235-089
Mfr. Part No.4479-110
TWD16,086.00
Each
units
22 → 28 V dc 28 V dc 0 → 1kV 2mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C
RS Stock No. 167-0942
Mfr. Part No.OKY-T/3-D12P-C
TWD72,393.00
1 Reel of 400
Reel(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 3A 15W Surface Mount 1 20.8mm 11.9mm 7mm - - -40°C +85°C
RS Stock No. 811-1423
Mfr. Part No.R-78T5.0-1.0/AC
BrandRecom
TWD403.00
Each
units
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°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. 200-3541
Mfr. Part No.TSR 3-2450A
BrandTRACOPOWER
TWD1,078.00
Each
units
10.0 -30.0 VDC 24 VDC - 3A - - - - - - - - - -
RS Stock No. 167-0630
Mfr. Part No.OKX-T/16-D12N-C
TWD44,944.00
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 183-4376
Mfr. Part No.RPM5.0-2.0-CT
BrandRecom
TWD170.00
Each
units
3 → 17 V dc 12 V dc 5V dc 2A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 92 → 98% - -40°C +105°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