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. 134-6469
Mfr. Part No.410-294-B
BrandDigilent
$27.81
Each
units
4.5 → 5.5 V dc 5 V dc ±3.3V dc -320 mA, 350 mA 2.2W - 2 - - - - - - -
RS Stock No. 689-4716
Mfr. Part No.OKY-T/3-W5P-C
$13.05
Each
units
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. 135-9181
Mfr. Part No.MYMGK1R820FRSR
BrandMurata
$42.04
Each
units
4.5 → 5.5 V dc 5 V dc 1.8V dc 20A 36W Surface Mount 1 10.5mm 9mm 5.6mm 89.2% - -40°C +85°C
RS Stock No. 183-4339
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
$5,530.95
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. 167-0972
Mfr. Part No.OKX-T/16-D12P-C
$2,465.64
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 162-0608
Mfr. Part No.OKY-T/3-W5N-C
$3,478.44
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. 167-0970
Mfr. Part No.OKX-T/10-D12P-C
$2,196.18
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
$17.86
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. 689-4707
Mfr. Part No.OKY-T/3-W5N-C
$13.91
Each
units
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. 183-4338
Mfr. Part No.RPM5.0-3.0-CT
BrandRecom
$4,199.85
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. 183-4341
Mfr. Part No.RBB10-2.0-CT
BrandRecom
$7,332.52
1 Reel of 500
Reel(s)
2.3 → 5.5 V dc 5 V dc 5V dc 2 → 4mA 10W Surface Mount 1 12.19mm 12.19mm 3.75mm 96% - -40°C +100°C
RS Stock No. 167-0943
Mfr. Part No.OKY-T/3-W5P-C
$3,822.46
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. 134-6468
Mfr. Part No.410-294-A
BrandDigilent
$36.03
Each
units
4.5 → 5.5 V dc 5 V dc ±5V dc -200 mA, 250 mA 2.2W - 2 - - - - - - -
RS Stock No. 167-0631
Mfr. Part No.OKY-T/3-D12N-C
$3,822.46
1 Reel of 400
Reel(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 3A 15W Surface Mount 1 20.8mm 11.9mm 7mm - - -40°C +85°C
RS Stock No. 461-935
Mfr. Part No.LDO010C-005W05-VJ
$27.72
Each
units
3 → 13.8 V dc 12 V dc 0.59 → 5.1V dc 10A 50W Through Hole 1 10.41mm 16.51mm 11.35mm - - -40°C +85°C
RS Stock No. 173-6949
Mfr. Part No.OKX-T/16-W5N-C
$27.65
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. 167-0630
Mfr. Part No.OKX-T/16-D12N-C
$2,465.64
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.753 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 167-0942
Mfr. Part No.OKY-T/3-D12P-C
$3,822.46
1 Reel of 400
Reel(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 3A 15W Surface Mount 1 20.8mm 11.9mm 7mm - - -40°C +85°C
RS Stock No. 811-1439
Mfr. Part No.R-78T5.0-1.0/AL
BrandRecom
$20.74
Each
units
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
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