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. 181-3288
Mfr. Part No.I6A4W010A033V-001-R
BrandTDK-Lambda
£42.53
Each
Units
9 → 53 V dc 9 → 53 V dc 3.3 → 40V dc 10A 250W PCB Mount 1 33mm 22.9mm 12.1mm 97.5% 1/16 Brick -40°C +125°C
RS Stock No. 173-6934
Mfr. Part No.OKL-T/1-W12N-C
£1,640.96
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. 815-9624
Mfr. Part No.BRFS30
BrandCosel
£28.86
Each
Units
4.5 → 14 V dc - 0.8 → 3.63V dc 30A - PCB Mount 1 33mm 13.5mm 9.5mm 88% - -40°C +85°C
RS Stock No. 183-4335
Mfr. Part No.RPM5.0-2.0-CT
BrandRecom
£1,851.00
1 Reel of 500
Reel(s)
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. 204-7576
Mfr. Part No.TSR 1-2433E
BrandTRACOPOWER
£2.54
Each
Units
6 to 36 V dc 24 V dc 3.3V dc 1000mA 3.3W - - - - - - - - -
RS Stock No. 173-6940
Mfr. Part No.OKI-T/36W-W40N-C
£9.38
Each
Units
19 → 40 V dc 24 V dc 15V dc 3A 36W Surface Mount 1 20.8mm 11.9mm 8.5mm 95% - -40°C +100°C
RS Stock No. 689-4716
Mfr. Part No.OKY-T/3-W5P-C
£5.08
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
New
RS Stock No. 200-3539
Mfr. Part No.TSR 3-2450A
BrandTRACOPOWER
£226.66
1 Tube of 10
Tube(s)
10.0 -30.0 VDC 24 VDC - 3A - - - - - - - - - -
New
RS Stock No. 204-0611
Mfr. Part No.I6A-4W0-10A-033V/0S1-R
BrandTDK-Lambda
£30.83
Each
Units
9, 53 V dc 9 V dc 3.3, 40 V dc 10A 250W - - - - - - - - -
RS Stock No. 183-4339
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
£2,659.48
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. 183-4376
Mfr. Part No.RPM5.0-2.0-CT
BrandRecom
£3.96
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
RS Stock No. 135-8878
Mfr. Part No.MYMGK00506ERSR
BrandMurata
£2,222.24
1 Reel of 400
Reel(s)
8 → 14 V dc 12 V dc - - - Surface Mount 1 - - - 95% - -40°C +85°C
RS Stock No. 172-0188
Mfr. Part No.LGA80D-00DADJJ
£4,073.42
1 Reel of 200
Reel(s)
7.5 → 14 V dc - 5.2V dc 80A 200W Surface Mount 2 25.9mm 14mm 12.2mm 95.5% - -40°C +85°C
RS Stock No. 173-6949
Mfr. Part No.OKX-T/16-W5N-C
£7.38
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. 183-4332
Mfr. Part No.RPM3.3-1.0-CT
BrandRecom
£1,595.00
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. 135-9162
Mfr. Part No.MYMGK00506ERSR
BrandMurata
£3.75
Each
Units
8 → 14 V dc 12 V dc 5V dc 6A 30W Surface Mount 1 9mm 7.5mm 5mm 95% - -40°C +85°C
RS Stock No. 173-6936
Mfr. Part No.OKR-T/10-W12-C
£2,757.26
1 Reel of 360
Reel(s)
4.5 → 14 V dc 12 V dc 6V dc 10A 50W Through Hole 1 10.4mm 7.62mm 16.5mm 92% - -40°C +100°C
New
RS Stock No. 200-3533
Mfr. Part No.TOS 06-05SIL
BrandTRACOPOWER
£16.45
Each
Units
2.4 - 5.5 VDC 3.95 VDC - 6A - - - - - - - - - -
New
RS Stock No. 193-2037
Mfr. Part No.TSR 0.6-4890WI
BrandTRACOPOWER
£71.90
1 Tube of 10
Tube(s)
14 → 72 V dc 14 V dc 9V dc 600mA - - - - - - - - - -
New
RS Stock No. 200-3537
Mfr. Part No.TSR 3-1250A
BrandTRACOPOWER
£187.80
1 Tube of 10
Tube(s)
4.5 - 14 VDC 12 VDC - 3'000mA - - - - - - - - - -