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Switching Regulators

Switching regulators are a type of circuit that can transform voltage and input current into a voltage and an output current that is most suitable to power the system that it is producing power for. These types of circuits are also known as converters and are ideal for regulating the energy that is transferred between these two contact points to maintain a constant output voltage that is safely within the limits of the circuit. They work at a much higher conversion efficiency than linear regulators and offer the advantage of better and more cost-effective power management in the long term, as well as the fact that they often don't require external capacitors.

What are switching regulators used for?

These types of regulators are often used for single-cell or multi-cell battery-powered applications and for battery-powered portable electronic devices like digital cameras, handheld games consoles, controllers and more. The main benefit of using these switching converters instead of linear regulators is that they offer short-circuit protection and ensure over-voltage and under-voltage protection. They are also good for protecting electronic systems from over-temperature and over-current damage.

Types of switching regulators

Step-Up or Boost Regulators - These are the most basic type of switching regulator and are used to increase the output voltage
Step-Down or Buck-Boost Converters - They reduce or reverse the output voltage with respect to the input voltage

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In Stock TRACOPOWER Switching Regulator, Through Hole, 3.3V dc Output Voltage, 2 A Output Current, 1 Outputs RS Stock No. 906-8478 Mfr. Part No. TSR 2-2433 Subtotal (1 unit) £9.73(exc. VAT) £9.73/unit Quantity	TRACOPOWER	-	3.3V dc	Switching Regulator	2A	-	Through Hole	-	1	-	-	-	91%	-	50mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 2	0.5 %	SIP	10.1mm	14mm	IEC/EN 60950-1, UL 94 V-0, UL 60950-1, MIL-STD-810F	2.6g	7.5mm	36V dc
In Stock TRACOPOWER Switching Regulator, Through Hole, 5V dc Output Voltage, 1 A Output Current, 1 Outputs RS Stock No. 666-4379 Mfr. Part No. TSR 1-2450 Subtotal (1 unit) £5.09(exc. VAT) £5.09/unit Quantity	TRACOPOWER	-	5V dc	Switching Regulator	1A	-	Through Hole	-	1	-	5W	-	93%	-	50mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 1	±0.2 %	SIP-3	10.2mm	11.7mm	CE	1.9g	10.2mm	36V dc
In Stock Recom Switching Regulator, Through Hole, 3.3V dc Output Voltage, 500 mA Output Current, 1 Outputs RS Stock No. 777-3291 Mfr. Part No. R-78E3.3-0.5 Subtotal (1 unit) £3.11(exc. VAT) £3.11/unit Quantity	Recom	-	3.3V dc	Switching Regulator	500mA	-	Through Hole	-	1	-	1.65W	-	88%	-	50mV Pk-Pk	85°C	-	-40°C	-	-	-	R-78E-0.5	±0.5 %	SIP-3	10.4mm	11.6mm	REACH	1.9g	10.4mm	28V dc
In Stock TRACOPOWER Switching Regulator, PCB, 5V dc Output Voltage, 2 A Output Current, 1 Outputs RS Stock No. 906-8487 Mfr. Part No. TSR 2-2450 Subtotal (1 unit) £9.73(exc. VAT) £9.73/unit Quantity	TRACOPOWER	-	5V dc	Switching Regulator	2A	-	PCB	-	1	-	-	-	94%	-	50mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 2	0.5 %	SIP-3	10.1mm	14mm	MIL-STD-810F, IEC/EN 60950-1, UL 94 V-0, UL 60950-1	2.6g	7.5mm	36V dc
In Stock TRACOPOWER Switching Regulator, Through Hole, 6V dc Output Voltage, 1 A Output Current, 1 Outputs RS Stock No. 755-3416 Mfr. Part No. TSRN 1-2465 Subtotal (1 unit) £10.61(exc. VAT) £10.61/unit Quantity	TRACOPOWER	-	6V dc	Switching Regulator	1A	-	Through Hole	-	1	-	-	-	93%	-	75mV Pk-Pk	85°C	-	-40°C	-	-	-	TSRN 1	±0.2 %	SIP	10.2mm	11.7mm	RoHS	1.9kg	7.5mm	42V dc
In Stock Texas Instruments Buck Converter, Surface, 37V Output Voltage, 3 A Output Current, 1 Outputs RS Stock No. 533-3715 Mfr. Part No. LM2596S-ADJ/NOPB Subtotal (1 unit) £6.92(exc. VAT) £6.92/unit Quantity	Texas Instruments	-	37V	Buck Converter	3A	-	Surface	-	1	-	-	-	73%	-	3%	125°C	-	-40°C	-	5	5.25V	LM2596	-	TO-263	4.57mm	10.16mm	RoHS, JEDEC	-	8.64mm	40V
In Stock TRACOPOWER Switching Regulator, Through Hole, 3.3V dc Output Voltage, 1 A Output Current, 1 Outputs RS Stock No. 666-4360 Mfr. Part No. TSR 1-2433 Subtotal (1 unit) £5.09(exc. VAT) £5.09/unit Quantity	TRACOPOWER	-	3.3V dc	Switching Regulator	1A	-	Through Hole	-	1	-	3.3W	-	90%	-	50mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 1	±0.2 %	SIP-3	10.2mm	11.7mm	RoHS	1.9g	10.2mm	36V dc
In Stock Recom Switching Regulator, Through Hole, 24V dc Output Voltage 72V dc, 300 mA Output Current, 1 Outputs RS Stock No. 416-856P Mfr. Part No. R-78HB24-0.3 Subtotal 1 unit (supplied in a tube) £14.97(exc. VAT) £14.97/unit Quantity	Recom	-	24V dc	Switching Regulator	300mA	-	Through Hole	-	1	-	8W	-	92%	-	20mV Pk-Pk	85°C	-	-40°C	-	-	-	R-78HB	±1 %	SIP	17.5mm	11.5mm	RoHS	4g	8.5mm	72V dc
In Stock TRACOPOWER Switching Regulator, Through Hole, 12V dc Output Voltage, 2 A Output Current, 1 Outputs RS Stock No. 906-8493 Mfr. Part No. TSR 2-24120 Subtotal (1 unit) £9.73(exc. VAT) £9.73/unit Quantity	TRACOPOWER	-	12V dc	Switching Regulator	2A	-	Through Hole	-	1	-	-	-	95%	-	75mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 2	0.5 %	SIP-3	10.1mm	14mm	UL 94 V-0, UL 60950-1, IEC/EN 60950-1, MIL-STD-810F	2.6g	7.5mm	36V dc
In Stock Texas Instruments Buck Converter, Surface, 3.46V Output Voltage, 3 A Output Current, 1 Outputs RS Stock No. 533-3692 Mfr. Part No. LM2596S-5.0/NOPB Subtotal (1 unit) £5.92(exc. VAT) £5.92/unit Quantity	Texas Instruments	-	3.46V	Buck Converter	3A	-	Surface	-	1	-	-	-	80%	-	3%	125°C	-	-40°C	-	5	5.25V	LM2596	-	TO-263	4.57mm	10.16mm	JEDEC, RoHS	-	8.64mm	40V
In Stock Recom Switching Regulator, Through Hole, 5V dc Output Voltage 72V dc, 500 mA Output Current, 1 Outputs RS Stock No. 416-874 Mfr. Part No. R-78HB5.0-0.5 Subtotal (1 unit) £13.08(exc. VAT) £13.08/unit Quantity	Recom	-	5V dc	Switching Regulator	500mA	-	Through Hole	-	1	-	2.5W	-	81%	-	20mV Pk-Pk	85°C	-	-40°C	-	-	-	R-78HB	±1 %	SIP	17.5mm	11.5mm	RoHS	4g	8.5mm	72V dc
In Stock TRACOPOWER Switching Regulator, Through Hole, 12V dc Output Voltage, 1 A Output Current, 1 Outputs RS Stock No. 666-4385 Mfr. Part No. TSR 1-24120 Subtotal (1 unit) £5.09(exc. VAT) £5.09/unit Quantity	TRACOPOWER	-	12V dc	Switching Regulator	1A	-	Through Hole	-	1	-	12W	-	95%	-	75mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 1	±0.2 %	SIP-3	10.2mm	11.7mm	CE	1.9g	10.2mm	36V dc
In Stock TRACOPOWER Switching Regulator, Through Hole, 3V dc, 6 V dc Output Voltage, 3 A Output Current, 1 Outputs RS Stock No. 781-3282 Mfr. Part No. TSR 3-2450 Subtotal (1 unit) £26.09(exc. VAT) £26.09/unit Quantity	TRACOPOWER	-	3, 6V dc	Switching Regulator	3A	-	Through Hole	-	1	-	-	-	91%	-	75mV Pk-Pk	85°C	-	-40°C	-	-	-	TSR 3	0.2 %	SIP	6mm	10.4mm	RoHS	2.1g	16.5mm	30V dc
In Stock Texas Instruments DC/DC Converter, Surface, 6V Output Voltage, 5 A Output Current, 1 Outputs RS Stock No. 798-1252 Mfr. Part No. LMZ23605TZ/NOPB Subtotal (1 unit) £17.31(exc. VAT) £17.31/unit Quantity	Texas Instruments	-	6V	DC/DC Converter	5A	-	Surface	-	1	-	30W	-	92%	-	9mV Pk-Pk	125°C	-	125°C	-	7	6V	LMZ23605	±0.02 %	TO-PMOD	4.57mm	10.16mm	JEDEC, ESDA, RoHS, REACH, ANSI	-	9.85mm	36V
In Stock TRACOPOWER Switching Regulator, Through Hole, 9V dc, -9 V dc Output Voltage, 1 A Output Current, 1 Outputs RS Stock No. 755-3419 Mfr. Part No. TSRN 1-2490 Subtotal (1 unit) £10.25(exc. VAT) £10.25/unit Quantity	TRACOPOWER	-	9, -9V dc	Switching Regulator	1A	-	Through Hole	-	1	-	-	-	88%	-	75mV Pk-Pk	85°C	-	-40°C	-	-	-	TSRN-1	±0.2 %	SIP	10.2mm	11.7mm	RoHS	1.9kg	7.5mm	42V dc
In Stock Recom Switching Regulator, Through Hole, 12V dc Output Voltage, 500 mA Output Current, 1 Outputs RS Stock No. 817-9832 Mfr. Part No. R-78W12-0.5 Subtotal (1 unit) £9.13(exc. VAT) £9.13/unit Quantity	Recom	-	12V dc	Switching Regulator	500mA	-	Through Hole	-	1	-	-	-	97%	-	35mV Pk-Pk	85°C	-	-40°C	-	-	-	R-78W-0.5	0.2 %	SIP-3	10.2mm	11.5mm	RoHS	4.8g	10.2mm	32V dc
In Stock Texas Instruments Buck Converter, Surface, 37V Output Voltage, 5 A Output Current, 1 Outputs RS Stock No. 533-5250 Mfr. Part No. LM2678S-ADJ/NOPB Subtotal (1 unit) £8.27(exc. VAT) £8.27/unit Quantity	Texas Instruments	-	37V	Buck Converter	5A	-	Surface	-	1	-	-	-	84%	-	-	125°C	-	-40°C	-	7	5.15V	LM2678	-	TO-263	4.57mm	10.16mm	RoHS, JEDEC	-	8.64mm	40V
In Stock MEAN WELL Non-Isolated Switching Regulator, PCB, 5V dc Output Voltage, 1000 mA Output Current, 1 Outputs RS Stock No. 149-560 Mfr. Part No. N7805-1C Subtotal (1 unit) £2.58(exc. VAT) £2.58/unit Quantity	MEAN WELL	-	5V dc	Non-Isolated Switching Regulator	1000mA	-	PCB	-	1	-	15W	-	96%	-	100mV Pk-Pk	110°C	-	-40°C	-	3	5V dc	N78	±0.3 %	-	17.5mm	-	RoHS Status: Exempt, EAC TP TC 020/2011	5.5g	-	12V dc
In Stock onsemi Buck Converter, Through Hole, 37V Output Voltage, 0.5 A Output Current, 5 Outputs RS Stock No. 689-9938 Mfr. Part No. LM2574N-ADJG Subtotal (1 unit) £1.32(exc. VAT) £1.32/unit Quantity	onsemi	-	37V	Buck Converter	0.5A	-	Through Hole	-	5	-	0.75W	-	77%	-	-	125°C	-	-40°C	-	8	-	LM2574	-	PDIP	4.95mm	10.16mm	RoHS	-	6.6mm	40V
In Stock Microchip DC/DC Converter, Surface, 5V Output Voltage, 1.3 A Output Current, 1 Outputs RS Stock No. 910-1758 Mfr. Part No. MIC4680-5.0YM-TR Subtotal (1 pack of 2 units) £4.34(exc. VAT) £2.17/unit Quantity	Microchip	-	5V	DC/DC Converter	1.3A	-	Surface	-	1	-	-	-	90%	-	-	125°C	-	-40°C	-	8	3.3V	MIC4680	-	SOIC	1.75mm	4.93mm	RoHS	-	3.94mm	34V