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. 167-0973
Mfr. Part No.OKX2-T/16-D12N-C
MYR8,164.52
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. 689-4722
Mfr. Part No.OKR-T/3-W12-C
MYR28.85
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. 891-3402
Mfr. Part No.SCD30D15-DN
BrandSolaHD
MYR1,347.86
Each
units
20 → 72 V dc - 15 V dc, -15V dc 800mA 30W Chassis Mount, DIN Rail Mount 2 120mm 65mm 33mm - - -25°C +65°C
RS Stock No. 166-6574
Mfr. Part No.R-78T5.0-1.0/FC-TRAY
BrandRecom
MYR1,552.19
1 Tray of 25
Tray(s)
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
New
RS Stock No. 193-6475
Mfr. Part No.RBBA3000-50
BrandRecom
MYR1,513.88
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. 183-4332
Mfr. Part No.RPM3.3-1.0-CT
BrandRecom
MYR10,952.22
1 Reel of 500
Reel(s)
3 → 17 V dc 12 V dc 3.3V dc 1A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 94 → 99% - -40°C +105°C
RS Stock No. 173-6942
Mfr. Part No.OKL-T/1-W12N-C
MYR17.44
Each
units
2.9 → 14 V dc 12 V dc 5.5V dc 1A 5W Surface Mount 1 12.4mm 12.4mm 4.6mm 90% Case C-83 -40°C +85°C
RS Stock No. 200-3535
Mfr. Part No.TSRN 1-0525SM
BrandTRACOPOWER
MYR640.52
1 Tube of 10
Tube(s)
3 - 5.5 VDC 5 VDC - 1A - - - - - - - - - -
RS Stock No. 193-2058
Mfr. Part No.TSR 1-48240WI
BrandTRACOPOWER
MYR736.60
1 Tube of 10
Tube(s)
33 → 72 V dc 33 V dc 24V dc 700mA - - - - - - - - - -
New
RS Stock No. 210-1269
Mfr. Part No.DDA325N-D2PN-1212-001
BrandTDK-Lambda
MYR1,146.58
Each
units
9 → 40 V dc 9 V dc - 14A 250W - - - - - - - - -
RS Stock No. 204-0614
Mfr. Part No.I6A4W020A033V-0S1-R
BrandTDK-Lambda
MYR216.23
Each
units
9, 53 V dc 9 V dc 3.3, 15 V dc 20A 250W - - - - - - - - -
RS Stock No. 494-4190
Mfr. Part No.R-523.3PA
BrandRecom
MYR119.85
Each
units
4.5 → 18 V dc 12 V dc 3.3V dc 2A 6W Through Hole 1 32.2mm 9.1mm 15mm 92% SIP -40°C +85°C
RS Stock No. 235-089
Mfr. Part No.4479-110
MYR2,110.74
Each
units
22 → 28 V dc 28 V dc 0 → 1kV 2mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C
RS Stock No. 811-1410
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
MYR63.72
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 689-4703
Mfr. Part No.OKL-T/3-W12N-C
MYR34.88
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. 167-0969
Mfr. Part No.OKX-T/10-D12N-C
MYR7,248.65
1 Tray of 114
Tray(s)
8.3 → 14 V dc 12 V dc 0.75 → 5.5V dc 10A 50W Through Hole 1 50.8mm 9.4mm 12.7mm - SIP -40°C +85°C
New
RS Stock No. 193-6474
Mfr. Part No.RPX-2.5-CT
BrandRecom
MYR27.16
Each
units
4.5 → 28 V dc 12 V dc 1.2 → 6V dc 2.5A - Surface Mount 1 4.1mm 4.6mm 2.1mm 91 (Typ.)% QFN -40°C +85°C
RS Stock No. 235-067
Mfr. Part No.4479-212
MYR2,683.26
Each
units
22 → 28 V dc 28 V dc 0 → 2kV 1mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C