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 (CLP) 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: $7.565 19.943In 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	19.943In Stock	$7.565 $5.799 $5.206 $4.865 View $4.420 $4.329 $4.284 $4.170 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: $10.686 6.895In 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	6.895In Stock	$10.686 $8.442 $7.531 $6.437 View $6.015 $5.981 $5.936 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: $9.707 5.242In 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	5.242In Stock	$9.707 $7.531 $6.756 $6.312 View $6.061 $6.038 $5.901	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: $6.437 544In 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	544In Stock	Cut Tape $6.437 $4.910 $4.523 $4.101 Reel $3.668 View $3.896 $3.782 $3.612 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 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB LM2574HVMX-12/NOPB Texas Instruments 1: $6.437 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 $6.437 $4.910 $4.523 $4.101 Reel $3.577 View $3.896 $3.782 $3.555 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-LM2575M-ADJ/NOPB LM2575MX-ADJ/NOPB Texas Instruments 1: $3.520 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 $3.520 $2.643 $2.415 $2.176 Reel $1.857 View $2.062 $2.028 $1.800 $1.789 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 SIMPLE SWITCHER 1A S tep-Down Voltage Re LM2575T-15/LF03 Texas Instruments 1: $4.671 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	$4.671 $3.532 $3.099 $2.871 $2.541	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 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX3 A 926-LM2575HVSX33NOPB LM2575HVS-3.3/NOPB Texas Instruments 1: $7.234 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	$7.234 $5.434 $5.024 $4.341	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 3A SD Vtg Reg LM2576T-3.3/NOPB Texas Instruments 1: $4.158 366In 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	366In Stock	$4.158 $3.133 $2.586 $2.449 View $2.358 $2.347 $2.233 $2.187	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 1A SD Vtg Reg LM2575HVS-12/NOPB Texas Instruments 1: $5.913 3.477In 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	3.477In Stock	$5.913 $4.477 $4.022 $3.680 View $3.520 $3.452 $3.384	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: $7.565 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	$7.565 $6.015 $5.093 $4.865 View $4.637 $4.489 $4.443 $4.386	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 SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB LM2574HVMX-5.0/NOPB Texas Instruments 1: $6.426 854In Stock 4.000Expected 12/21/2026	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	854In Stock 4.000Expected 12/21/2026	Cut Tape $6.426 $4.899 $4.512 $4.090 Reel $3.714 View $3.885 $3.771 $3.680 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: $6.482 3.909In 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	3.909In Stock	Cut Tape $6.482 $4.956 $4.568 $4.170 View Reel $3.714 $4.033 $3.714 Quote 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 A 926-LM2574MX33 A 926-LM2574MX33NOPB LM2574M-3.3/NOPB Texas Instruments 1: $3.999 2.780In 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	2.780In Stock	$3.999 $3.008 $2.347 $2.210 View $2.119 $2.085 $2.017	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 SD Vtg Reg A 92 6-LM2574MX-ADJNOPB A 926-LM2574MX-ADJNOPB LM2574M-ADJ/NOPB Texas Instruments 1: $4.124 728In Stock 10.100Expected 6/7/2027	Mfr. Part # LM2574M-ADJ/NOPB Mouser Part # 926-LM2574M-ADJ/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg A 92 6-LM2574MX-ADJNOPB A 926-LM2574MX-ADJNOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	728In Stock 10.100Expected 6/7/2027	$4.124 $3.076 $2.803 $2.541 View $2.404 $2.324 $2.256 $2.108 $2.062	Min.: 1 Mult.: 1	SMD/SMT	SOIC-Wide-14	Buck	1.23 V to 37 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-12/NOPB A A 926-LM2574M-12/NOPB LM2574MX-12/NOPB Texas Instruments 1: $3.418 1.842In Stock	Mfr. Part # LM2574MX-12/NOPB Mouser Part # 926-LM2574MX-12/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-12/NOPB A A 926-LM2574M-12/NOPB Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	1.842In Stock	Cut Tape $3.418 $2.552 $2.347 $2.108 View Reel $1.766 $1.994 $1.960 $1.766 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	LM2574	Reel, Cut Tape, MouseReel
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: $3.281 2.053In Stock 6.000Expected 12/21/2026	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	2.053In Stock 6.000Expected 12/21/2026	Cut Tape $3.281 $2.495 $2.290 $2.039 Reel $1.846 View $1.994 $1.960 $1.789 $1.754 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 LM2574N-12/NOPB Texas Instruments 1: $4.625 849In Stock	Mfr. Part # LM2574N-12/NOPB Mouser Part # 926-LM2574N-12/NOPB	Texas Instruments	Switching Voltage Regulators 0.5A SD Vtg Reg Learn More about Texas Instruments ti lm2574x voltage regulators	Datasheet	849In Stock	$4.625 $3.498 $3.099 $2.860 View $2.734 $2.655 $2.506 $2.495	Min.: 1 Mult.: 1	Through Hole	PDIP-8	Buck	12 V	500 mA	1 Output	5 mA	58 kHz	- 40 C	+ 125 C	LM2574	Tube
Switching Voltage Regulators 0.5A SD Vtg Reg LM2574N-3.3/NOPB Texas Instruments 1: $4.625 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	$4.625 $3.498 $3.099 $2.860 View $2.689 $2.632 $2.529 $2.472	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 A 926-LM2575HVSX5 A 926-LM2575HVSX50NOPB LM2575HVS-5.0/NOPB Texas Instruments 1: $7.269 1.939In Stock	Mfr. Part # LM2575HVS-5.0/NOPB Mouser Part # 926-LM2575HVS5.0NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX5 A 926-LM2575HVSX50NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1.939In Stock	$7.269 $5.582 $4.944 $4.614 $4.466	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	5 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575HVS15NOPB LM2575HVSX-15/NOPB Texas Instruments 1: $5.662 551In Stock	Mfr. Part # LM2575HVSX-15/NOPB Mouser Part # 926-LM2575HVSX15NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575HVS15NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	551In Stock	Cut Tape $5.662 $4.306 $3.976 $3.600 Reel $3.304 View $3.429 $3.144 $3.076 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	15 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 LM2575HVT-12/NOPB Texas Instruments 1: $6.460 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	$6.460 $4.933 $4.409 $4.079 View $3.908 $3.828 $3.748 $3.646	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 LM2575HVT-5.0/NOPB Texas Instruments 1: $6.642 1.764In Stock	Mfr. Part # LM2575HVT-5.0/NOPB Mouser Part # 926-LM2575HVT5.0NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1.764In Stock	$6.642 $5.070 $4.580 $4.193 View $4.022 $3.896 $3.828 $3.760 Quote	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 1A SD VTG Reg LM2575HVT-5.0/LF03 Texas Instruments 1: $6.915 1.384In Stock	Mfr. Part # LM2575HVT-5.0/LF03 Mouser Part # 926-LM2575HVT50LF03	Texas Instruments	Switching Voltage Regulators 1A SD VTG Reg Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1.384In Stock	$6.915 $5.298 $4.899 $4.443 View $4.090 $3.987 $3.953 $3.919 Quote	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	5 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 1A SD VTG Reg LM2575HVT-ADJ/LF03 Texas Instruments 1: $7.007 1.714In Stock	Mfr. Part # LM2575HVT-ADJ/LF03 Mouser Part # 926-LM2575HVTADJLF03	Texas Instruments	Switching Voltage Regulators 1A SD VTG Reg Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1.714In Stock	$7.007 $5.366 $4.831 $4.466 View $4.295 $4.204 $3.999	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	1.23 V to 57 V	1 A	1 Output	10 mA	52 kHz	- 40 C	+ 125 C	LM2575HV	Tube

LM257x SIMPLE SWITCHER® Voltage Regulators

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