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. 173-9151
Mfr. Part No.I6A24014A033V-001-R
BrandTDK-Lambda
TWD38,826.00
1 Box of 36
Box(es)
9 → 40 V dc - 3.3 → 24V dc 14A 250W PCB Mount 1 33mm 22.9mm 12.7mm 98% - -40°C +125°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. 183-4338
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
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
New
RS Stock No. 210-1277
Mfr. Part No.i7C4W012A050V-002-R
BrandTDK-Lambda
TWD1,980.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 689-4735
Mfr. Part No.OKX-T/10-D12P-C
TWD400.00
Each
units
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 200-3535
Mfr. Part No.TSRN 1-0525SM
BrandTRACOPOWER
TWD3,856.00
1 Tube of 10
Tube(s)
3 - 5.5 VDC 5 VDC - 1A - - - - - - - - - -
RS Stock No. 167-0584
Mfr. Part No.LSN2-T/16-W3-C
TWD77,508.00
1 Tray of 114
Tray(s)
2.4 → 5.5 V dc 5 V dc 0.75 → 3.3V dc 16A 52.8W Through Hole 1 50.8mm 8.13mm 12.7mm - Case B-11 -40°C +85°C
RS Stock No. 173-6937
Mfr. Part No.OKX-T/16-W5N-C
TWD44,944.00
1 Reel of 114
Reel(s)
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. 494-4285
Mfr. Part No.R-629.0P
BrandRecom
TWD616.00
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. 193-2050
Mfr. Part No.TSR 1-4865WI
BrandTRACOPOWER
TWD5,455.00
1 Tube of 10
Tube(s)
9 → 72 V dc 9 V dc 6.5V dc 1A - - - - - - - - - -
New
RS Stock No. 210-8766
Mfr. Part No.FS1403-5000-AS
BrandTDK
TWD42,574.00
1 Reel of 250
Reel(s)
8 → 16 V dc 8 V dc - 3A - - - - - - - - - -
RS Stock No. 204-7577
Mfr. Part No.TSR 1-2450E
BrandTRACOPOWER
TWD993.00
1 Tube of 10
Tube(s)
7 to 36 V dc 24 V dc 5V dc 1000mA 5W - - - - - - - - -
RS Stock No. 173-6935
Mfr. Part No.OKL-T/6-W12N-C
TWD80,744.00
1 Reel of 400
Reel(s)
4.5 → 14 V dc 12 V dc 5.5V dc 6A 30W Surface Mount 1 12.19mm 12.19mm 7.2mm 93% Case C-83 -40°C -
RS Stock No. 193-2054
Mfr. Part No.TSR 1-48120WI
BrandTRACOPOWER
TWD5,455.00
1 Tube of 10
Tube(s)
17 → 72 V dc 17 V dc 12V dc 1A - - - - - - - - - -
RS Stock No. 166-6574
Mfr. Part No.R-78T5.0-1.0/FC-TRAY
BrandRecom
TWD9,593.00
1 Tray of 25
Tray(s)
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
RS Stock No. 200-3542
Mfr. Part No.TSR 3-24150A
BrandTRACOPOWER
TWD9,235.00
1 Tube of 10
Tube(s)
10.0 -30.0 VDC 24 VDC - 3A - - - - - - - - - -
RS Stock No. 811-1408
Mfr. Part No.R-78T3.3-1.0/FC-TRAY
BrandRecom
TWD412.00
Each
units
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
RS Stock No. 173-6942
Mfr. Part No.OKL-T/1-W12N-C
TWD105.00
Each
units
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. 183-4401
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