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. 200-3541
Mfr. Part No.TSR 3-2450A
BrandTRACOPOWER
TWD1,078.00
Each
units
10.0 -30.0 VDC 24 VDC - 3A - - - - - - - - - -
RS Stock No. 173-6947
Mfr. Part No.OKR-T/10-W12-C
TWD342.00
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. 152-502
Mfr. Part No.AXH005A0XZ
TWD351.00
Each
units
3 → 5.5 V dc - 0.75 → 3.63V dc 5A - Through Hole 1 22.9mm 8.85mm 10.2mm - SIP -40°C +85°C
RS Stock No. 183-4388
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
TWD237.00
Each
units
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. 235-089
Mfr. Part No.4479-110
TWD16,086.00
Each
units
22 → 28 V dc 28 V dc 0 → 1kV 2mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C
New
RS Stock No. 210-1275
Mfr. Part No.i7C4W008A120V-0F1-R
BrandTDK-Lambda
TWD2,323.00
Each
units
9 → 53 V dc 9 V dc - 8A 300W - - - - - - - - -
New
RS Stock No. 211-7170
Mfr. Part No.RPX-1.5-CT
BrandRecom
TWD169.00
Each
units
4 → 36 4 → 36 V dc 0.8 → 30V 1.5A - - - - - - - - - -
RS Stock No. 706-6432
Mfr. Part No.TOS 06-12SIL
BrandTRACOPOWER
TWD745.00
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
New
RS Stock No. 210-1272
Mfr. Part No.i7C4W008A120V-002-R
BrandTDK-Lambda
TWD1,980.00
Each
units
9 → 53 V dc 9 V dc - 8A 300W - - - - - - - - -
RS Stock No. 461-979
Mfr. Part No.LDO06C-005W05-VJ
TWD370.00
Each
units
3 → 13.8 V dc - 0.59 → 5.1V dc 6A 30W Through Hole 1 10.41mm 9.42mm 16.51mm - - -40°C +85°C
RS Stock No. 811-1423
Mfr. Part No.R-78T5.0-1.0/AC
BrandRecom
TWD403.00
Each
units
- - 5V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 92% SIP -40°C +85°C
RS Stock No. 235-067
Mfr. Part No.4479-212
TWD17,330.00
Each
units
22 → 28 V dc 28 V dc 0 → 2kV 1mA - Screw Mount - 95.2mm 49mm 15mm - - -10°C +50°C
RS Stock No. 555-430
Mfr. Part No.YEV09T03-0G
TWD395.00
Each
units
4.5 → 13.8 V dc 12 V dc 0.59 → 5.1V dc 3A - Through Hole 1 10.41mm 16.51mm 10.16mm - SIP 0°C +70°C