Voltage Regulators - Switching Regulators

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LM2576x SIMPLE SWITCHER® Voltage Regulators

Texas Instruments LM2576x SIMPLE SWITCHER® Voltage Regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator. These regulators can drive a 3A load with excellent line and load regulation. The LM2576x devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The Texas Instruments LM2576x voltage regulators offer a high-efficiency replacement for popular three-terminal linear regulators. These voltage regulators feature high-efficiency TTL shutdown capability and dramatically simplify switch-mode power supply design.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX1 A 926-LM2576HVSX12NOPB LM2576HVS-12/NOPB Texas Instruments 1: £7.05 6,895In Stock	Mfr. Part No. LM2576HVS-12/NOPB Mouser Part No 926-LM2576HVS-12NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX1 A 926-LM2576HVSX12NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	6,895In Stock	£7.05 £5.56 £4.96 £4.24 View £3.96 £3.95	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A SD Vtg Reg LM2576T-3.3/NOPB Texas Instruments 1: £2.74 366In Stock	Mfr. Part No. LM2576T-3.3/NOPB Mouser Part No 926-LM2576T-33/NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	366In Stock	£2.74 £2.07 £1.70 £1.62 View £1.55 £1.48 £1.44	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	3.3 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS33NOPB LM2576HVSX-3.3/NOPB Texas Instruments 1: £6.14 1,229In Stock	Mfr. Part No. LM2576HVSX-3.3/NOPB Mouser Part No 926-LM2576HVSX33NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS33NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,229In Stock	Cut Tape £6.14 £4.76 £4.42 £4.03 Reel £3.73 View £3.75 £3.56 £3.46 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	3.3 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576HVT-12/NOPB Texas Instruments 1: £5.12 480In Stock 1,170Expected 21/12/2026	Mfr. Part No. LM2576HVT-12/NOPB Mouser Part No 926-LM2576HVT-12NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	480In Stock 1,170Expected 21/12/2026	£5.12 £3.94 £3.53 £3.28 View £3.15 £2.95 £2.91	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576HVT-5.0/NOPB Texas Instruments 1: £5.12 481In Stock	Mfr. Part No. LM2576HVT-5.0/NOPB Mouser Part No 926-LM2576HVT5.0NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	481In Stock	£5.12 £3.94 £3.53 £3.28 View £3.14 £3.06 £3.02 £2.94	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576HVT-ADJ/NOPB Texas Instruments 1: £5.28 494In Stock 2,340Expected 14/01/2027	Mfr. Part No. LM2576HVT-ADJ/NOPB Mouser Part No 926-LM2576HVTADJNOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	494In Stock 2,340Expected 14/01/2027	£5.28 £4.06 £3.61 £3.37 £3.25	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	1.23 V to 57 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX33N A 926-LM2576SX33NOPB LM2576S-3.3/NOPB Texas Instruments 1: £3.55 530In Stock	Mfr. Part No. LM2576S-3.3/NOPB Mouser Part No 926-LM2576S-3.3/NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX33N A 926-LM2576SX33NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	530In Stock	£3.55 £2.88 £2.54 £2.36 View £2.28 £2.20 £2.10 £2.06	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	3.3 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX-5. A 926-LM2576SX-5.0NOPB LM2576S-5.0/NOPB Texas Instruments 1: £3.72 1,529In Stock 9,855On Order	Mfr. Part No. LM2576S-5.0/NOPB Mouser Part No 926-LM2576S-5.0/NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX-5. A 926-LM2576SX-5.0NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,529In Stock 9,855On Order On Order Ship Dates Mfr. No: LM2576S-5.0/NOPB Stock: 1,529 Can Dispatch Immediately On Order: 4,275 Expected 03/04/2028 5,580 TBD Factory Lead Time: 26 Weeks	£3.72 £2.76 £2.48 £2.31 View £2.28 £2.20 £2.15 £2.09	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576T-5.0/NOPB Texas Instruments 1: £2.84 1,109In Stock	Mfr. Part No. LM2576T-5.0/NOPB Mouser Part No 926-LM2576T-5.0/NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,109In Stock	£2.84 £2.12 £1.90 £1.75 View £1.67 £1.62 £1.55 £1.52	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A SD VTG Reg LM2576T-ADJ/LF03 Texas Instruments 1: £2.74 1,684In Stock	Mfr. Part No. LM2576T-ADJ/LF03 Mouser Part No 926-LM2576T-ADJ/LF03	Texas Instruments	Switching Voltage Regulators 3A SD VTG Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,684In Stock	£2.74 £2.07 £1.81 £1.68 View £1.61 £1.54 £1.48 £1.45 £1.42	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	1.23 V to 37 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A SD Vtg Reg A 926- LM2576HVSX33NOPB A A 926-LM2576HVSX33NOPB LM2576HVS-3.3/NOPB Texas Instruments 1: £7.15 2In Stock 180Expected 21/12/2026	Mfr. Part No. LM2576HVS-3.3/NOPB Mouser Part No 926-LM2576HVS33NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg A 926- LM2576HVSX33NOPB A A 926-LM2576HVSX33NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	2In Stock 180Expected 21/12/2026	£7.15 £5.56 £4.96 £4.66 £4.51	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	3.3 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX5 A 926-LM2576HVSX50NOPB LM2576HVS-5.0/NOPB Texas Instruments 1: £7.15 172In Stock 1,125Expected 21/12/2026	Mfr. Part No. LM2576HVS-5.0/NOPB Mouser Part No 926-LM2576HVS5.0NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX5 A 926-LM2576HVSX50NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	172In Stock 1,125Expected 21/12/2026	£7.15 £5.56 £4.96 £4.66 £4.49	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-M2576HVSXAD A 926-M2576HVSXADJNOPB LM2576HVS-ADJ/NOPB Texas Instruments 1: £7.58 25In Stock 1,440Expected 21/12/2026	Mfr. Part No. LM2576HVS-ADJ/NOPB Mouser Part No 926-LM2576HVSADJNOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-M2576HVSXAD A 926-M2576HVSXADJNOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	25In Stock 1,440Expected 21/12/2026	£7.58 £5.90 £5.26 £4.82 £4.54	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	1.23 V to 57 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS-12NOPB LM2576HVSX-12/NOPB Texas Instruments 1: £5.64 193In Stock 1,500Expected 17/12/2026	Mfr. Part No. LM2576HVSX-12/NOPB Mouser Part No 926-LM2576HVSX12NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS-12NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	193In Stock 1,500Expected 17/12/2026	Cut Tape £5.64 £4.36 £4.03 £3.68 £3.53 Reel £3.28 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576HVT-15/NOPB Texas Instruments 1: £5.18 2In Stock 1,170Expected 21/12/2026	Mfr. Part No. LM2576HVT-15/NOPB Mouser Part No 926-LM2576HVT-15NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	2In Stock 1,170Expected 21/12/2026	£5.18 £3.95 £3.53 £3.29 £3.09	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C LM2576HVT-12/LF03 Texas Instruments 1: £5.08 163In Stock	Mfr. Part No. LM2576HVT-12/LF03 Mouser Part No 926-LM2576HVT12LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	163In Stock	£5.08 £3.89 £3.53 £3.27 View £3.12 £3.02 £2.94 £2.93	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C LM2576HVT-15/LF03 Texas Instruments 1: £5.64 101In Stock	Mfr. Part No. LM2576HVT-15/LF03 Mouser Part No 926-LM2576HVT15LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	101In Stock	£5.64 £4.36 £4.07 £3.68 View £3.59 £3.54 £3.46	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A SD VTG Reg LM2576HVT-5.0/LF03 Texas Instruments 1: £5.12 183In Stock	Mfr. Part No. LM2576HVT-5.0/LF03 Mouser Part No 926-LM2576HVT50LF03	Texas Instruments	Switching Voltage Regulators 3A SD VTG Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	183In Stock	£5.12 £3.94 £3.61 £3.28 View £3.14 £3.09 £3.03	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576HV	Tube
Switching Voltage Regulators 3A SD Vtg Reg LM2576S-12/NOPB Texas Instruments 1: £3.17 14In Stock 2,160Expected 01/02/2027	Mfr. Part No. LM2576S-12/NOPB Mouser Part No 926-LM2576S-12/NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	14In Stock 2,160Expected 01/02/2027	£3.17 £2.39 £2.10 £1.91 View £1.84 £1.80	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX-AD A 926-LM2576SX-ADJNOPB LM2576S-ADJ/NOPB Texas Instruments 1: £3.78 51In Stock 2,520On Order	Mfr. Part No. LM2576S-ADJ/NOPB Mouser Part No 926-LM2576S-ADJ/NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576SX-AD A 926-LM2576SX-ADJNOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	51In Stock 2,520On Order On Order Ship Dates Mfr. No: LM2576S-ADJ/NOPB Stock: 51 Can Dispatch Immediately On Order: 1,170 Expected 23/11/2026 1,350 Expected 21/12/2026 Factory Lead Time: 26 Weeks	£3.78 £2.88 £2.54 £2.36 View £2.28 £2.20	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	1.23 V to 37 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576S-5.0 A 926-LM2576S-5.0/NOPB LM2576SX-5.0/NOPB Texas Instruments 1: £3.05 66In Stock 8,500On Order	Mfr. Part No. LM2576SX-5.0/NOPB Mouser Part No 926-LM2576SX-5.0NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576S-5.0 A 926-LM2576S-5.0/NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	66In Stock 8,500On Order On Order Ship Dates Mfr. No: LM2576SX-5.0/NOPB Stock: 66 Can Dispatch Immediately On Order: 3,500 Expected 21/12/2026 5,000 Expected 01/04/2027 Factory Lead Time: 26 Weeks	Cut Tape £3.05 £2.30 £2.12 £1.88 £1.78 Reel £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	5 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576S-ADJ A 926-LM2576S-ADJ/NOPB LM2576SX-ADJ/NOPB Texas Instruments 1: £3.05 22In Stock 4,000Expected 01/04/2027	Mfr. Part No. LM2576SX-ADJ/NOPB Mouser Part No 926-LM2576SX-ADJNOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576S-ADJ A 926-LM2576S-ADJ/NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	22In Stock 4,000Expected 01/04/2027	Cut Tape £3.05 £2.30 £2.12 £1.88 £1.78 Reel £1.72 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	1.23 V to 37 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A SD VTG Reg A 926- LM2576S-3.3/NOPB A A 926-LM2576S-3.3/NOPB LM2576SX-3.3/NOPB Texas Instruments 1: £3.08 466In Stock 1,500Expected 28/01/2027	Mfr. Part No. LM2576SX-3.3/NOPB Mouser Part No 926-LM2576SX33NOPB	Texas Instruments	Switching Voltage Regulators 3A SD VTG Reg A 926- LM2576S-3.3/NOPB A A 926-LM2576S-3.3/NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	466In Stock 1,500Expected 28/01/2027	Cut Tape £3.08 £2.32 £2.13 £1.92 Reel £1.79 View £1.82 £1.69 £1.65 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	3.3 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-12/LF03 Texas Instruments 1: £2.99 69In Stock 540Expected 21/12/2026	Mfr. Part No. LM2576T-12/LF03 Mouser Part No 926-LM2576T-12/LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	69In Stock 540Expected 21/12/2026	£2.99 £2.26 £1.98 £1.83 View £1.76 £1.69 £1.62 £1.58	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G LM2576T-12/NOPB Texas Instruments 1: £2.91 69In Stock 1,350On Order	Mfr. Part No. LM2576T-12/NOPB Mouser Part No 926-LM2576T-12/NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	69In Stock 1,350On Order On Order Ship Dates Mfr. No: LM2576T-12/NOPB Stock: 69 Can Dispatch Immediately On Order: 450 Expected 12/11/2026 900 Expected 26/11/2026 Factory Lead Time: 26 Weeks	£2.91 £2.15 £1.91 £1.75 View £1.67 £1.61	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	3 A	1 Output	5 mA	52 kHz	- 40 C	+ 125 C	LM2576	Tube

LM2576x SIMPLE SWITCHER® Voltage Regulators

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LM2576x SIMPLE SWITCHER® Voltage Regulators

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