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. 173-9151
Mfr. Part No.I6A-240-14A-033V/001-R
BrandTDK-Lambda
£977.81
1 Box of 36
Box(es)
9 → 40 V dc - 3.3 → 24V dc 14A 250W PCB Mount 1 33mm 22.9mm 12.7mm 98% - -40°C +125°C
RS Stock No. 918-1300
Mfr. Part No.I6A-240-14A-033V/001-R
BrandTDK-Lambda
£49.51
Each
Units
9 → 40 V dc - 3.3 → 24V dc 14A 250W PCB Mount 1 33mm 22.9mm 12.7mm 98% - -40°C +125°C
RS Stock No. 167-0617
Mfr. Part No.OKR-T/3-W12-C
£1,476.87
1 Tray of 360
Tray(s)
4.5 → 14 V dc 12 V dc 0.59 → 6V dc 3A 15W Through Hole 1 10.4mm 5.6mm 16.5mm - SIP -40°C +85°C
RS Stock No. 689-4722
Mfr. Part No.OKR-T/3-W12-C
£5.08
Each
Units
4.5 → 14 V dc 12 V dc 0.59 → 6V dc 3A 15W Through Hole 1 10.4mm 5.6mm 16.5mm - SIP -40°C +85°C
RS Stock No. 461-947
Mfr. Part No.LDO03C-005W05-VJ
£6.60
Each
Units
3 → 13.8 V dc - 0.59 → 5.1V dc 3A 15W Through Hole 1 9.4mm 5.37mm 15.49mm - - 0°C +70°C
RS Stock No. 167-0629
Mfr. Part No.OKL-T/3-W12N-C
£1,784.00
1 Reel of 400
Reel(s)
4.5 → 14 V dc 12 V dc 0.59 → 5.5V dc 3A 15W Surface Mount 1 12.19mm 12.19mm 6.2mm 93% Case C-83 -40°C +85°C
RS Stock No. 689-4703
Mfr. Part No.OKL-T/3-W12N-C
£5.08
Each
Units
4.5 → 14 V dc 12 V dc 0.59 → 5.5V dc 3A 15W Surface Mount 1 12.19mm 12.19mm 6.2mm 93% Case C-83 -40°C +85°C
RS Stock No. 706-6432
Mfr. Part No.TOS 06-12SIL
BrandTRACOPOWER
£17.74
Each
Units
8.3 → 14 V dc 12 V dc 0.75 → 5V dc 6A 30W Through Hole 1 22mm 6.65mm 10.2mm 94% SIP -40°C +85°C
RS Stock No. 166-8957
Mfr. Part No.R-625.0P
BrandRecom
£212.55
1 Tube of 15
Tube(s)
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. 494-4263
Mfr. Part No.R-625.0P
BrandRecom
£14.88
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. 166-6577
Mfr. Part No.R-78T12-1.0/AC-TRAY
BrandRecom
£219.53
1 Tray of 25
Tray(s)
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 811-1426
Mfr. Part No.R-78T12-1.0/AC
BrandRecom
£9.02
Each
Units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 167-0630
Mfr. Part No.OKX-T/16-D12N-C
£1,106.94
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 689-4741
Mfr. Part No.OKX-T/16-D12N-C
£11.06
Each
Units
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 16A 80W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
RS Stock No. 234-979
Mfr. Part No.3590-1A20
£538.21
Each
Units
21.6 → 30 V dc 24 V dc 0 → 5kV 1mA - Screw Mount 1 95.2mm 49.8mm 20mm - - 0°C +50°C
RS Stock No. 494-4285
Mfr. Part No.R-629.0P
BrandRecom
£14.88
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. 166-8933
Mfr. Part No.R-629.0P
BrandRecom
£212.55
1 Tube of 15
Tube(s)
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. 166-6576
Mfr. Part No.R-78T5.0-1.0/AC-TRAY
BrandRecom
£219.53
1 Tray of 25
Tray(s)
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
RS Stock No. 811-1423
Mfr. Part No.R-78T5.0-1.0/AC
BrandRecom
£9.02
Each
Units
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
RS Stock No. 124-4230
Mfr. Part No.R420-1.8/PL
BrandRecom
£13.50
Each
Units
10 → 36 V dc 24 V dc 5V dc 10mA - Surface Mount 1 22.7mm 13.2mm 5.08mm 76 (Typ.)% - -40°C +105°C
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