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. 152-473
Mfr. Part No.AXH005A0X-SRZ
€10.93
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. 811-1408
Mfr. Part No.R-78T3.3-1.0/FC-TRAY
BrandRecom
€13.98
Each
units
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
New
RS Stock No. 200-3537
Mfr. Part No.TSR 3-1250A
BrandTRACOPOWER
€213.17
1 Tube of 10
Tube(s)
4.5 - 14 VDC 12 VDC - 3'000mA - - - - - - - - - -
RS Stock No. 181-3286
Mfr. Part No.I3A4W005A150V-001-R
BrandTDK-Lambda
€35.38
Each
units
9 → 53 V dc 9 → 53 V dc 15V dc 4.5A 100W PCB Mount 1 23.4mm 19.1mm 9.6mm 97.5% 1/32 Brick -40°C +125°C
RS Stock No. 183-4378
Mfr. Part No.RPM3.3-3.0-CT
BrandRecom
€5.80
Each
units
3 → 17 V dc 12 V dc 3.3V dc 3A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 87 → 97% - -40°C +100°C
New
RS Stock No. 200-3538
Mfr. Part No.TSR 3-1250A
BrandTRACOPOWER
€22.66
Each
units
4.5 - 14 VDC 12 VDC - 3A - - - - - - - - - -
RS Stock No. 181-3287
Mfr. Part No.I3A4W008A033V-001-R
BrandTDK-Lambda
€35.38
Each
units
9 → 53 V dc 9 → 53 V dc 3.3 → 16.5V dc 8A 100W PCB Mount 1 23.4mm 19.1mm 9.6mm 96.5% 1/32 Brick -40°C +125°C
RS Stock No. 494-4241
Mfr. Part No.R-615.0P
BrandRecom
€18.89
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. 494-4263
Mfr. Part No.R-625.0P
BrandRecom
€19.82
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. 891-3409
Mfr. Part No.SCD30S48-DN
BrandSolaHD
€393.24
Each
units
20 → 72 V dc - 48V dc 600mA 30W Chassis Mount, DIN Rail Mount 1 120mm 65mm 33mm - - -25°C +65°C
RS Stock No. 183-4369
Mfr. Part No.RPM3.3-1.0-CT
BrandRecom
€5.28
Each
units
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. 162-2657
Mfr. Part No.R-78T5.0-1.0/AL-TRAY
BrandRecom
€239.41
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. 166-6571
Mfr. Part No.R-78T3.3-1.0/FC-TRAY
BrandRecom
€306.94
1 Tray of 25
Tray(s)
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
RS Stock No. 555-468
Mfr. Part No.YS12S16-0G
€19.59
Each
units
9.6 → 14 V dc 12 V dc 0.75 → 5.5V dc 16A 88W Surface Mount 1 33.02mm 13.46mm 7.98mm - - -40°C +85°C
RS Stock No. 166-8770
Mfr. Part No.R-543.3PA
BrandRecom
€386.82
1 Tube of 15
Tube(s)
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. 166-6573
Mfr. Part No.R-78T3.3-1.0/AC-TRAY
BrandRecom
€297.77
1 Tray of 25
Tray(s)
- - 3.3V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 88% SIP -40°C +85°C
RS Stock No. 183-4388
Mfr. Part No.RPM3.3-6.0-CT
BrandRecom
€7.66
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. 183-4334
Mfr. Part No.RPM3.3-2.0-CT
BrandRecom
€2,213.35
1 Reel of 500
Reel(s)
3 → 17 V dc 12 V dc 3.3V dc 2A 3.3W Surface Mount 1 12.19mm 12.19mm 3.75mm 90 → 98% - -40°C +105°C
New
RS Stock No. 200-3535
Mfr. Part No.TSRN 1-0525SM
BrandTRACOPOWER
€105.83
1 Tube of 10
Tube(s)
3 - 5.5 VDC 5 VDC - 1A - - - - - - - - - -
RS Stock No. 167-0972
Mfr. Part No.OKX-T/16-D12P-C
€1,396.65
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
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