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 (CAD) 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 SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-ADJ/LF02 Texas Instruments 1: $5.73 397In Stock	Mfr. Part # LM2576T-ADJ/LF02 Mouser Part # 926-LM2576T-ADJ/LF02	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	397In Stock	$5.73 $4.33 $3.80 $3.51 View $3.38 $3.27 $3.12 $3.05	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	1.23 V to 37 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX1 A 926-LM2576HVSX12NOPB LM2576HVS-12/NOPB Texas Instruments 1: $13.62 6,816In Stock	Mfr. Part # LM2576HVS-12/NOPB Mouser Part # 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	6,816In Stock	$13.62 $10.67 $9.52 $8.38 View $8.14 $7.85 $7.75 Quote	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 STEP-DOWN VLTG RE G A 926-LM2576SX-5. A 926-LM2576SX-5.0NOPB LM2576S-5.0/NOPB Texas Instruments 1: $7.24 5,684In Stock	Mfr. Part # LM2576S-5.0/NOPB Mouser Part # 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	5,684In Stock	$7.24 $5.40 $4.87 $4.51 View $4.36 $4.22 $4.12 $4.00	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 A 926-LM2576HVSX5 A 926-LM2576HVSX50NOPB LM2576HVS-5.0/NOPB Texas Instruments 1: $13.71 692In Stock	Mfr. Part # LM2576HVS-5.0/NOPB Mouser Part # 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	692In Stock	$13.71 $10.67 $9.52 $8.93 View $8.61 $8.40 $8.22 Quote	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 SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS-12NOPB LM2576HVSX-12/NOPB Texas Instruments 1: $10.81 461In Stock 1,500Expected 2026-12-17	Mfr. Part # LM2576HVSX-12/NOPB Mouser Part # 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	461In Stock 1,500Expected 2026-12-17	Cut Tape $10.81 $8.35 $7.73 $7.06 Reel $6.52 View $6.68 $6.28 $6.13 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 SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS33NOPB LM2576HVSX-3.3/NOPB Texas Instruments 1: $11.78 1,272In Stock	Mfr. Part # LM2576HVSX-3.3/NOPB Mouser Part # 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	1,272In Stock	Cut Tape $11.78 $9.13 $8.47 $7.73 Reel $7.16 View $7.20 $6.83 $6.62 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: $9.75 802In Stock	Mfr. Part # LM2576HVT-12/NOPB Mouser Part # 926-LM2576HVT-12NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	802In Stock	$9.75 $7.47 $6.77 $6.26 View $5.98 $5.79 $5.66 $5.57 Quote	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 A 926-LM2576SX33N A 926-LM2576SX33NOPB LM2576S-3.3/NOPB Texas Instruments 1: $6.81 595In Stock	Mfr. Part # LM2576S-3.3/NOPB Mouser Part # 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	595In Stock	$6.81 $5.53 $4.87 $4.52 View $4.36 $4.22 $4.03 $3.95	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 SD Vtg Reg LM2576T-15/NOPB Texas Instruments 1: $5.44 868In Stock	Mfr. Part # LM2576T-15/NOPB Mouser Part # 926-LM2576T-15/NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	868In Stock	$5.44 $4.06 $3.67 $3.31 View $3.14 $3.07 $2.91 $2.82 $2.76	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 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: $5.26 1,878In Stock	Mfr. Part # LM2576T-ADJ/LF03 Mouser Part # 926-LM2576T-ADJ/LF03	Texas Instruments	Switching Voltage Regulators 3A SD VTG Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,878In Stock	$5.26 $3.96 $3.47 $3.21 View $3.08 $2.95 $2.85 $2.78 $2.72	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 STEP-DOWN VLTG RE G LM2576HVT-5.0/NOPB Texas Instruments 1: $9.84 658In Stock	Mfr. Part # LM2576HVT-5.0/NOPB Mouser Part # 926-LM2576HVT5.0NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	658In Stock	$9.84 $7.55 $6.77 $6.29 View $6.03 $5.86 $5.79 $5.64	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 LM2576HVT-5.0/LF03 Texas Instruments 1: $9.84 507In Stock	Mfr. Part # LM2576HVT-5.0/LF03 Mouser Part # 926-LM2576HVT50LF03	Texas Instruments	Switching Voltage Regulators 3A SD VTG Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	507In Stock	$9.84 $7.55 $6.91 $6.29 View $6.03 $5.93 $5.79 $5.64	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 A 926-LM2576SX-AD A 926-LM2576SX-ADJNOPB LM2576S-ADJ/NOPB Texas Instruments 1: $7.24 1,764In Stock	Mfr. Part # LM2576S-ADJ/NOPB Mouser Part # 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	1,764In Stock	$7.24 $5.53 $4.87 $4.52 View $4.36 $4.22 $4.00	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 LM2576T-5.0/NOPB Texas Instruments 1: $5.44 1,566In Stock	Mfr. Part # LM2576T-5.0/NOPB Mouser Part # 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	1,566In Stock	$5.44 $4.08 $3.64 $3.36 View $3.20 $3.11 $2.98 $2.91	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 A 926- LM2576HVSX33NOPB A A 926-LM2576HVSX33NOPB LM2576HVS-3.3/NOPB Texas Instruments 1: $13.71 23In Stock 180Expected 2027-01-11	Mfr. Part # LM2576HVS-3.3/NOPB Mouser Part # 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	23In Stock 180Expected 2027-01-11	$13.71 $10.67 $9.52 $8.76 View $8.42 $8.25 $8.09 Quote	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-M2576HVSXAD A 926-M2576HVSXADJNOPB LM2576HVS-ADJ/NOPB Texas Instruments 1: $13.71 119In Stock 1,440Expected 2026-10-08	Mfr. Part # LM2576HVS-ADJ/NOPB Mouser Part # 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	119In Stock 1,440Expected 2026-10-08	$13.71 $10.67 $9.50 $8.86 View $8.61 $8.40 $8.22 Quote	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 3A STEP-DOWN VLTG RE G LM2576HVT-15/NOPB Texas Instruments 1: $9.84 352In Stock	Mfr. Part # LM2576HVT-15/NOPB Mouser Part # 926-LM2576HVT-15NOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	352In Stock	$9.84 $7.55 $6.77 $6.29 View $6.03 $5.86 $5.64 $5.54 Quote	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: $9.75 167In Stock	Mfr. Part # LM2576HVT-12/LF03 Mouser Part # 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	167In Stock	$9.75 $7.47 $6.77 $6.26 View $5.98 $5.79 $5.64 $5.63	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: $10.81 101In Stock	Mfr. Part # LM2576HVT-15/LF03 Mouser Part # 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	$10.81 $8.35 $7.80 $7.06 View $6.88 $6.78 Quote	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 LM2576S-12/NOPB Texas Instruments 1: $5.90 19In Stock 2,160Expected 2026-11-16	Mfr. Part # LM2576S-12/NOPB Mouser Part # 926-LM2576S-12/NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	19In Stock 2,160Expected 2026-11-16	$5.90 $4.45 $4.00 $3.64 View $3.48 $3.41 $3.27 $3.20	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 SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-12/LF03 Texas Instruments 1: $5.73 194In Stock	Mfr. Part # LM2576T-12/LF03 Mouser Part # 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	194In Stock	$5.73 $4.33 $3.80 $3.51 View $3.47 $3.25 $3.12 $3.05	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 SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-15/LF03 Texas Instruments 1: $5.76 500In Stock	Mfr. Part # LM2576T-15/LF03 Mouser Part # 926-LM2576T-15/LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	500In Stock	$5.76 $4.33 $3.60 $3.31 View $3.25 $3.01 $2.95	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-3.3/LF03 Texas Instruments 1: $5.44 80In Stock	Mfr. Part # LM2576T-3.3/LF03 Mouser Part # 926-LM2576T-33/LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	80In Stock	$5.44 $4.06 $3.72 $3.31 View $3.14 $2.95 $2.84 $2.79 $2.76	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	3.3 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators 3A SD Vtg Reg LM2576T-3.3/NOPB Texas Instruments 1: $5.26 375In Stock	Mfr. Part # LM2576T-3.3/NOPB Mouser Part # 926-LM2576T-33/NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	375In Stock	$5.26 $3.96 $3.47 $3.21 View $3.08 $2.98 $2.91 $2.82 $2.76	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® 40V 3A Low Compone LM2576T-5.0/LF02 Texas Instruments 1: $5.90 432In Stock	Mfr. Part # LM2576T-5.0/LF02 Mouser Part # 926-LM2576T-50/LF02	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	432In Stock	$5.90 $4.45 $4.00 $3.64 View $3.48 $3.34 $3.20 $3.12	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576	Tube

LM2576x SIMPLE SWITCHER® Voltage Regulators

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