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. 183-4340
Mfr. Part No.RPM5.0-6.0-CT
BrandRecom
HK$30,424.45
1 Reel of 500
Reel(s)
4 → 15 V dc 12 V dc 5V dc 6A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 91 → 99% - -40°C +85°C
RS Stock No. 183-4372
Mfr. Part No.RPM5.0-1.0-CT
BrandRecom
HK$47.68
Each
units
3 → 17 V dc 12 V dc 5V dc 1A 5W Surface Mount 1 12.19mm 12.19mm 3.75mm 92 → 99% - -40°C +105°C
RS Stock No. 811-1423
Mfr. Part No.R-78T5.0-1.0/AC
BrandRecom
HK$113.02
Each
units
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
RS Stock No. 173-6944
Mfr. Part No.OKL-T/6-W12N-C
HK$85.70
Each
units
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. 494-4235
Mfr. Part No.R-543.3PA
BrandRecom
HK$232.60
Each
units
4.5 → 18 V dc 12 V dc 3.3V dc 4A 6W Through Hole 1 32.2mm 9.1mm 15mm 93% SIP -40°C +85°C
RS Stock No. 167-0943
Mfr. Part No.OKY-T/3-W5P-C
HK$19,614.84
1 Reel of 400
Reel(s)
2.4 → 5.5 V dc 5 V dc 0.753 → 3.63V dc 3A 9.9W Surface Mount 1 20.8mm 11.9mm 5.41mm - - -40°C +85°C
RS Stock No. 167-0969
Mfr. Part No.OKX-T/10-D12N-C
HK$11,269.13
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 152-530
Mfr. Part No.AXH003A0X-SRZ
HK$75.41
Each
units
2.4 → 5.5 V dc - 0.75 → 3.63V dc 3A - Surface Mount 1 20.3mm 11.4mm 5.7mm - - -40°C +85°C
RS Stock No. 167-0617
Mfr. Part No.OKR-T/3-W12-C
HK$17,651.01
1 Tray of 360
Tray(s)
4.5 → 14 V dc 12 V dc 0.591 → 6V dc 3A 15W Through Hole 1 10.4mm 5.6mm 16.5mm - SIP -40°C +85°C
RS Stock No. 715-8566
Mfr. Part No.APXS006A0X-SRZ
HK$140.06
Each
units
4.5 → 14 V dc - 0.59 → 5.5V dc 6A 33W Surface Mount 1 12.2mm 12.2mm 7.25mm 93.6% - -40°C +85°C
RS Stock No. 152-473
Mfr. Part No.AXH005A0X-SRZ
HK$102.26
Each
units
3 → 5.8 V dc - 0.75 → 4V dc 5A - Surface Mount 1 20.3mm 11.4mm 5.7mm - - -40°C +85°C
RS Stock No. 494-4285
Mfr. Part No.R-629.0P
BrandRecom
HK$155.27
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. 173-6947
Mfr. Part No.OKR-T/10-W12-C
HK$122.51
Each
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
RS Stock No. 689-4747
Mfr. Part No.OKX2-T/10-D12P-C
HK$147.06
Each
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 234-913
Mfr. Part No.3590-1320
HK$6,273.27
Each
units
10.8 → 15.6 V dc 12 V dc 0 → 10kV 500µA - Screw Mount 1 95.2mm 49.8mm 20mm - - 0°C +50°C
RS Stock No. 494-4241
Mfr. Part No.R-615.0P
BrandRecom
HK$168.22
Each
units
9 → 32 V dc 24 V dc 5V dc 1A 18W Through Hole 1 32.2mm 9.1mm 15mm 91% SIP -40°C +85°C
RS Stock No. 689-4735
Mfr. Part No.OKX-T/10-D12P-C
HK$119.90
Each
units
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 870-3599
Mfr. Part No.ILR-11-0001
BrandSchurter
HK$34.74
Each (In a Pack of 50)
units
- - - - - Through Hole - - - - - - - -
RS Stock No. 494-4263
Mfr. Part No.R-625.0P
BrandRecom
HK$176.50
Each
units
9 → 32 V dc 24 V dc 5V dc 2A 18W Through Hole 1 32.2mm 9.1mm 15mm 90% SIP -40°C +85°C
RS Stock No. 166-8932
Mfr. Part No.R-619.0P
BrandRecom
HK$166.113
1 Tube of 15
Tube(s)
11 → 32 V dc 24 V dc 9V dc 1A 18W Through Hole 1 32.2mm 9.1mm 15mm 96% SIP -40°C +85°C
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