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 (USD) 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: $9.38 6,896In 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	6,896In Stock	$9.38 $7.41 $6.61 $5.65 View $5.28 $5.25 $5.21 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 SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS33NOPB LM2576HVSX-3.3/NOPB Texas Instruments 1: $8.18 1,234In 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	1,234In Stock	Cut Tape $8.18 $6.34 $5.88 $5.37 Reel $4.97 View $5.00 $4.74 $4.60 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: $6.83 492In Stock 1,170Expected 11/19/2026	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	492In Stock 1,170Expected 11/19/2026	$6.83 $5.24 $4.70 $4.37 View $4.20 $3.93 $3.87	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-ADJ/NOPB Texas Instruments 1: $7.03 619In Stock 2,340Expected 1/14/2027	Mfr. Part # LM2576HVT-ADJ/NOPB Mouser Part # 926-LM2576HVTADJNOPB	Texas Instruments	Switching Voltage Regulators 3A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	619In Stock 2,340Expected 1/14/2027	$7.03 $5.41 $4.70 $4.37 View $4.19 $4.07 $4.00 $3.92	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: $4.73 535In 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	535In Stock	$4.73 $3.84 $3.38 $3.14 View $3.03 $2.93 $2.80 $2.74	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-ADJ/LF03 Texas Instruments 1: $3.65 1,682In 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	1,682In Stock	$3.65 $2.75 $2.41 $2.23 View $2.14 $2.05 $1.98 $1.93 $1.89	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: $6.83 460In 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	460In Stock	$6.83 $5.24 $4.70 $4.37 View $4.19 $4.07 $4.02 $3.92	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: $6.83 453In 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	453In Stock	$6.83 $5.24 $4.80 $4.37 View $4.19 $4.12 $4.02 $3.92	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-5. A 926-LM2576SX-5.0NOPB LM2576S-5.0/NOPB Texas Instruments 1: $4.95 2,310In Stock 4,275Expected 4/3/2028	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	2,310In Stock 4,275Expected 4/3/2028	$4.95 $3.68 $3.30 $3.08 View $3.03 $2.93 $2.86 $2.78	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: $3.78 1,146In 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	1,146In Stock	$3.78 $2.83 $2.53 $2.33 View $2.22 $2.16 $2.07 $2.02	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: $9.52 23In Stock 180Expected 11/19/2026	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 11/19/2026	$9.52 $7.41 $6.61 $6.08 View $5.85 $5.73 $5.62 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-LM2576HVSX5 A 926-LM2576HVSX50NOPB LM2576HVS-5.0/NOPB Texas Instruments 1: $9.52 163In Stock 1,125Expected 11/19/2026	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	163In Stock 1,125Expected 11/19/2026	$9.52 $7.41 $6.61 $6.20 View $5.98 $5.83 $5.71 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 3A STEP-DOWN VLTG RE G A 926-M2576HVSXAD A 926-M2576HVSXADJNOPB LM2576HVS-ADJ/NOPB Texas Instruments 1: $9.52 25In Stock 1,440On Order	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	25In Stock 1,440On Order	$9.52 $7.41 $6.60 $6.15 View $5.98 $5.83 $5.71 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 SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS-12NOPB LM2576HVSX-12/NOPB Texas Instruments 1: $7.51 310In Stock 1,500Expected 12/17/2026	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	310In Stock 1,500Expected 12/17/2026	Cut Tape $7.51 $5.80 $5.37 $4.90 Reel $4.53 View $4.64 $4.36 $4.26 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: $6.83 244In Stock 1,170Expected 11/19/2026	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	244In Stock 1,170Expected 11/19/2026	$6.83 $5.24 $4.70 $4.37 View $4.19 $4.07 $3.92 $3.85 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: $6.77 163In 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	163In Stock	$6.77 $5.19 $4.70 $4.35 View $4.15 $4.02 $3.92 $3.91	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: $7.51 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	$7.51 $5.80 $5.42 $4.90 View $4.78 $4.71 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: $4.16 14In Stock 2,160Expected 12/7/2026	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	14In Stock 2,160Expected 12/7/2026	$4.16 $3.14 $2.79 $2.55 View $2.45 $2.39 $2.33 $2.28	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: $3.98 144In Stock 540Expected 11/19/2026	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	144In Stock 540Expected 11/19/2026	$3.98 $3.01 $2.64 $2.44 View $2.41 $2.26 $2.17 $2.12	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: $4.00 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	$4.00 $3.01 $2.50 $2.30 View $2.26 $2.09 $2.05	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 3A SD Vtg Reg LM2576T-15/NOPB Texas Instruments 1: $3.78 541In 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	541In Stock	$3.78 $2.82 $2.55 $2.30 View $2.18 $2.13 $2.02 $1.96 $1.92	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 SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-3.3/LF03 Texas Instruments 1: $3.78 80In Stock 540Expected 11/19/2026	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 540Expected 11/19/2026	$3.78 $2.82 $2.58 $2.30 View $2.18 $2.05 $1.97 $1.94 $1.92	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: $3.65 372In 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	372In Stock	$3.65 $2.75 $2.41 $2.23 View $2.14 $2.07 $2.02 $1.96 $1.92	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: $4.10 372In 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	372In Stock	$4.10 $3.09 $2.78 $2.53 View $2.42 $2.32 $2.22 $2.17	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 40V 3A Low Compone LM2576T-ADJ/LF02 Texas Instruments 1: $3.98 392In 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	392In Stock	$3.98 $3.01 $2.64 $2.44 View $2.35 $2.27 $2.17 $2.12	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

LM2576x SIMPLE SWITCHER® Voltage Regulators

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LM2576x SIMPLE SWITCHER® Voltage Regulators

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