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. 715-8544
Mfr. Part No.APXS002A0X-SRZ
TWD298.00
Each
units
3 → 14 V dc 12 V dc 0.6 → 5.5V dc 2A 11W Surface Mount 1 12.2mm 12.2mm 6.25mm 93.6% - -40°C +85°C
RS Stock No. 167-0617
Mfr. Part No.OKR-T/3-W12-C
TWD65,685.00
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
TWD234.00
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. 166-6572
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
TWD10,018.00
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. 811-1410
Mfr. Part No.R-78T12-1.0/FC-TRAY
BrandRecom
TWD417.00
Each
units
- - 12V dc 1A - Screw Mount, Surface Mount 1 23mm 25mm 10mm 95% SIP -40°C +85°C
RS Stock No. 204-0614
Mfr. Part No.I6A4W020A033V-0S1-R
BrandTDK-Lambda
TWD1,352.00
Each
units
9, 53 V dc 9 V dc 3.3, 15 V dc 20A 250W - - - - - - - - -
RS Stock No. 193-2053
Mfr. Part No.TSR 1-4890WI
BrandTRACOPOWER
TWD580.00
Each
units
14 → 72 V dc 14 V dc 9V dc 1A - - - - - - - - - -
RS Stock No. 166-8770
Mfr. Part No.R-543.3PA
BrandRecom
TWD11,981.00
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. 193-2054
Mfr. Part No.TSR 1-48120WI
BrandTRACOPOWER
TWD5,455.00
1 Tube of 10
Tube(s)
17 → 72 V dc 17 V dc 12V dc 1A - - - - - - - - - -
RS Stock No. 494-4235
Mfr. Part No.R-543.3PA
BrandRecom
TWD811.00
Each
units
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. 210-1279
Mfr. Part No.i7C4W012A050V-003-R
BrandTDK-Lambda
TWD1,980.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 200-3533
Mfr. Part No.TOS 06-05SIL
BrandTRACOPOWER
TWD709.00
Each
units
2.4 - 5.5 VDC 3.95 VDC - 6A - - - - - - - - - -
RS Stock No. 193-2055
Mfr. Part No.TSR 1-48120WI
BrandTRACOPOWER
TWD580.00
Each
units
17 → 72 V dc 17 V dc 12V dc 1A - - - - - - - - - -
RS Stock No. 173-9151
Mfr. Part No.I6A24014A033V-001-R
BrandTDK-Lambda
TWD38,826.00
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. 210-1280
Mfr. Part No.i7C4W012A050V-0C1-R
BrandTDK-Lambda
TWD2,323.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 200-3535
Mfr. Part No.TSRN 1-0525SM
BrandTRACOPOWER
TWD3,931.00
1 Tube of 10
Tube(s)
3 - 5.5 VDC 5 VDC - 1A - - - - - - - - - -
RS Stock No. 210-1281
Mfr. Part No.i7C4W012A050V-0F1-R
BrandTDK-Lambda
TWD2,323.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 210-1276
Mfr. Part No.i7C4W012A050V-001-R
BrandTDK-Lambda
TWD1,980.00
Each
units
9 → 53 V dc 9 V dc - 12.5A 300W - - - - - - - - -
RS Stock No. 167-0972
Mfr. Part No.OKX-T/16-D12P-C
TWD45,816.00
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. 234-979
Mfr. Part No.3590-1A20
TWD24,334.00
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