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. 135-9192
Mfr. Part No.MYMGK1R820ERSR
BrandMurata
£9.96
Each
Units
8 → 14 V dc 12 V dc 1.8V dc 20A 36W Surface Mount 1 10.5mm 9mm 5.6mm 87.8% - -40°C +85°C
RS Stock No. 135-8881
Mfr. Part No.MYMGK1R820ERSR
BrandMurata
£9.952
Each (On a Reel of 400)
Units
8 → 14 V dc 12 V dc - - - Surface Mount 1 - - - 87.8% - -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
RS Stock No. 173-6937
Mfr. Part No.OKX-T/16-W5N-C
£9.71
Each (On a Reel of 114)
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. 183-4334
Mfr. Part No.RPM3.3-2.0-CT
BrandRecom
£1,851.00
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. 173-6936
Mfr. Part No.OKR-T/10-W12-C
£7.418
Each (On a Reel of 360)
Units
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
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