Voltage Regulators - Switching Regulators

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LM257x SIMPLE SWITCHER® Voltage Regulators

Texas Instruments LM257x SIMPLE SWITCHER^® Step-Down Voltage Regulators are high-efficiency devices ranging from 0.5A to 3A output current. TI LM2574 and LM2574HV SIMPLE SWITCHER Step-Down Voltage Regulators provide all the active functions for a step-down (buck) switching regulator capable of driving a 0.5A load with excellent line and load regulation. The LM2575 and LM2575HV step-down voltage regulators provide all the active functions for a step-down (buck) switching regulator capable of driving a 1A load with excellent line and load regulation.

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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 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMXADJNPB LM2574HVM-ADJ/NOPB Texas Instruments 1: $8.63 19,935In Stock	Mfr. Part # LM2574HVM-ADJ/NOPB Mouser Part # 926-LM2574HVMADJNOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMXADJNPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	19,935In Stock	$8.63 $6.62 $5.94 $5.55 View $5.04 $4.94 $4.89 $4.76 Quote	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX1 A 926-LM2576HVSX12NOPB LM2576HVS-12/NOPB Texas Instruments 1: $12.29 6,901In 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	6,901In Stock	$12.29 $9.63 $8.59 $7.57 View $7.16 $7.09 $6.99 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 0.5A STEP-DOWN VLTG REG LM2574HVN-5.0/NOPB Texas Instruments 1: $11.08 5,250In Stock	Mfr. Part # LM2574HVN-5.0/NOPB Mouser Part # 926-LM2574HVN5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	5,250In Stock	$11.08 $8.59 $7.71 $7.20 View $6.92 $6.89 $6.73	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM15NOPB A A 926-LM2574HVM15NOPB LM2574HVMX-15/NOPB Texas Instruments 1: $7.33 644In Stock	Mfr. Part # LM2574HVMX-15/NOPB Mouser Part # 926-LM2574HVMX15NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM15NOPB A A 926-LM2574HVM15NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	644In Stock	Cut Tape $7.33 $5.59 $5.15 $4.67 Reel $4.24 View $4.43 $4.30 $4.16 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck, Inverting	15 V	500 mA	1 Output		58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re LM2575T-15/LF03 Texas Instruments 1: $5.33 650In Stock	Mfr. Part # LM2575T-15/LF03 Mouser Part # 926-LM2575T-15/LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	650In Stock	$5.33 $4.03 $3.54 $3.28 $2.90	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 V	1 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2575	Tube
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575M-ADJ/NOPB LM2575MX-ADJ/NOPB Texas Instruments 1: $4.02 949In Stock	Mfr. Part # LM2575MX-ADJ/NOPB Mouser Part # 926-LM2575MXADJNOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575M-ADJ/NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	949In Stock	Cut Tape $4.02 $3.02 $2.76 $2.48 Reel $2.12 View $2.35 $2.31 $2.05 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-24	Buck	1.23 V to 37 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB LM2574HVMX-12/NOPB Texas Instruments 1: $7.35 2,767In Stock	Mfr. Part # LM2574HVMX-12/NOPB Mouser Part # 926-LM2574HVMX12NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,767In Stock	Cut Tape $7.35 $5.60 $5.16 $4.68 Reel $4.02 View $4.45 $4.32 $4.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575HVS3.3NOPB LM2575HVSX-3.3/NOPB Texas Instruments 1: $6.89 394In Stock	Mfr. Part # LM2575HVSX-3.3/NOPB Mouser Part # 926-LM2575HVSX33NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575HVS3.3NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	394In Stock	Cut Tape $6.89 $5.25 $4.84 $4.38 Reel $4.07 View $4.17 $3.87 $3.84 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	3.3 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX3 A 926-LM2575HVSX33NOPB LM2575HVS-3.3/NOPB Texas Instruments 1: $8.09 268In Stock	Mfr. Part # LM2575HVS-3.3/NOPB Mouser Part # 926-LM2575HVS3.3NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX3 A 926-LM2575HVSX33NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	268In Stock	$8.09 $6.20 $5.73 $4.98 $4.97	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	3.3 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 1A SD Vtg Reg LM2575HVS-12/NOPB Texas Instruments 1: $6.66 6,680In Stock	Mfr. Part # LM2575HVS-12/NOPB Mouser Part # 926-LM2575HVS12NOPB	Texas Instruments	Switching Voltage Regulators 1A SD Vtg Reg Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	6,680In Stock	$6.66 $5.02 $4.62 $4.03 View $3.84 $3.76 $3.60 $3.52	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	12 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX50NOPB LM2574HVM-5.0/NOPB Texas Instruments 1: $8.63 2,644In Stock	Mfr. Part # LM2574HVM-5.0/NOPB Mouser Part # 926-LM2574HVM5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX50NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,644In Stock	$8.63 $6.86 $5.81 $5.55 View $5.29 $5.12 $5.07 $5.01	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX33 A 926-LM2574MX33NOPB LM2574M-3.3/NOPB Texas Instruments 1: $4.56 2,679In Stock	Mfr. Part # LM2574M-3.3/NOPB Mouser Part # 926-LM2574M-3.3/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX33 A 926-LM2574MX33NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	2,679In Stock	$4.56 $3.43 $2.68 $2.52 View $2.42 $2.38 $2.30	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-5. A 926-LM2574M-5.0/NOPB LM2574MX-5.0/NOPB Texas Instruments 1: $3.90 1,971In Stock 6,000Expected 3/8/2027	Mfr. Part # LM2574MX-5.0/NOPB Mouser Part # 926-LM2574MX-5.0NOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-5. A 926-LM2574M-5.0/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	1,971In Stock 6,000Expected 3/8/2027	Cut Tape $3.90 $2.91 $2.68 $2.34 Reel $2.11 View $2.28 $2.24 $2.04 $2.00 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-3.3/NOPB A 926-LM2574M-3.3/NOPB LM2574MX-3.3/NOPB Texas Instruments 1: $3.74 1,408In Stock 4,000Expected 12/21/2026	Mfr. Part # LM2574MX-3.3/NOPB Mouser Part # 926-LM2574MX33NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-3.3/NOPB A 926-LM2574M-3.3/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	1,408In Stock 4,000Expected 12/21/2026	Cut Tape $3.74 $2.83 $2.60 $2.35 Reel $2.17 View $2.22 $2.17 $2.09 $1.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD Vtg Reg LM2574N-3.3/NOPB Texas Instruments 1: $5.28 880In Stock	Mfr. Part # LM2574N-3.3/NOPB Mouser Part # 926-LM2574N-33/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	880In Stock	$5.28 $3.99 $3.54 $3.26 View $3.07 $3.00 $2.89 $2.82	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	3.3 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 1A STEP-DOWN VLTG RE G LM2575HVT-12/NOPB Texas Instruments 1: $7.37 1,551In Stock	Mfr. Part # LM2575HVT-12/NOPB Mouser Part # 926-LM2575HVT-12NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1,551In Stock	$7.37 $5.63 $5.03 $4.65 View $4.46 $4.37 $4.28 $4.16	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 1A STEP-DOWN VLTG RE G LM2575T-12/NOPB Texas Instruments 1: $5.06 1,946In Stock	Mfr. Part # LM2575T-12/NOPB Mouser Part # 926-LM2575T-12/NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1,946In Stock	$5.06 $3.77 $3.28 $3.08 View $2.93 $2.77 $2.69 $2.61 $2.56	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	12 V	1 A	1 Output	10 mA	52 kHz	- 40 C	+ 125 C	LM2575	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C A 926-LM2576HVS-12NOPB LM2576HVSX-12/NOPB Texas Instruments 1: $9.76 386In Stock 1,500Expected 12/24/2026	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	386In Stock 1,500Expected 12/24/2026	Cut Tape $9.76 $7.54 $6.98 $6.37 Reel $5.89 View $6.03 $5.67 $5.54 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: $10.63 1,244In 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	1,244In Stock	Cut Tape $10.63 $8.24 $7.64 $6.98 Reel $6.46 View $6.50 $6.16 $5.98 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: $8.88 528In 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	528In Stock	$8.88 $6.81 $6.11 $5.68 View $5.46 $5.11 $5.03	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: $6.15 577In 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	577In Stock	$6.15 $4.99 $4.39 $4.08 View $3.94 $3.81 $3.64 $3.56	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: $4.75 1,709In 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	1,709In Stock	$4.75 $3.58 $3.13 $2.90 View $2.78 $2.67 $2.57 $2.51 $2.46	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 0.5A SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB LM2574HVMX-5.0/NOPB Texas Instruments 1: $7.33 1,282In Stock	Mfr. Part # LM2574HVMX-5.0/NOPB Mouser Part # 926-LM2574HVMX50NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	1,282In Stock	Cut Tape $7.33 $5.59 $5.15 $4.67 Reel $4.24 View $4.43 $4.30 $4.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	5 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMADJNOPB A 926-LM2574HVMADJNOPB LM2574HVMX-ADJ/NOPB Texas Instruments 1: $7.35 4,009In Stock	Mfr. Part # LM2574HVMX-ADJ/NOPB Mouser Part # 926-LM2574HVMXADJNPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMADJNOPB A 926-LM2574HVMADJNOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	4,009In Stock	Cut Tape $7.35 $5.60 $5.16 $4.72 Reel $3.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG LM2574HVN-ADJ/NOPB Texas Instruments 1: $11.10 399In Stock	Mfr. Part # LM2574HVN-ADJ/NOPB Mouser Part # 926-LM2574HVNADJNOPB	Texas Instruments	Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	399In Stock	$11.10 $8.61 $7.98 $7.28 View $6.96 $6.76 $6.58 Quote	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	1.23 V to 57 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574HV	Tube

LM257x SIMPLE SWITCHER® Voltage Regulators

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