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. 134-6467
Mfr. Part No.410-293-B
BrandDigilent
£15.24
Each
Units
4.5 → 5.5 V dc 5 V dc ±9V dc 130mA 2.2W - 2 - - - - - - -
New
RS Stock No. 193-6475
Mfr. Part No.RBBA3000-50
BrandRecom
£220.47
Each
Units
9 → 60 V dc 48 V dc 0 → 60V dc 50A - PCB Mount 1 60.6mm 63.2mm 13mm 96 (Typ.)% - -40°C +85°C
RS Stock No. 193-1791
Mfr. Part No.RBBA3000-50
BrandRecom
£2,513.40
1 Tube of 12
Tube(s)
9 → 60 V dc 48 V dc 0 → 60V dc 50A - PCB Mount 1 60.6mm 63.2mm 13mm 96 (Typ.)% - -40°C +85°C
RS Stock No. 181-3286
Mfr. Part No.I3A4W005A150V-001-R
BrandTDK-Lambda
£18.01
Each
Units
9 → 53 V dc 9 → 53 V dc 15V dc 4.5A 100W PCB Mount 1 23.4mm 19.1mm 9.6mm 97.5% 1/32 Brick -40°C +125°C
RS Stock No. 183-4336
Mfr. Part No.RPM3.3-3.0-CT
BrandRecom
£2,021.21
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. 134-6466
Mfr. Part No.410-293-A
BrandDigilent
£15.24
Each
Units
4.5 → 5.5 V dc 5 V dc ±12V dc 100mA 2.2W - 2 - - - - - - -
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
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