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 (JPY) 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 1A STEP-DOWN VLTG RE G A 926-LM2575S-5.0 A 926-LM2575S-5.0/NOPB LM2575SX-5.0/NOPB Texas Instruments 1: ¥681 8,709On Order	Mfr. Part # LM2575SX-5.0/NOPB Mouser Part # 926-LM2575SX-5.0NOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575S-5.0 A 926-LM2575S-5.0/NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	8,709On Order On Order Ship Dates Mfr. #: LM2575SX-5.0/NOPB Stock: 0 On Order: 3,709 Expected 1/14/2027 5,000 Expected 5/31/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥681 ¥526.5 ¥483.4 ¥428.5 ¥406.9 Reel ¥393.7 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	Buck	5 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A SD Vtg Reg A 926- LM2576HVS5.0NOPB A A 926-LM2576HVS5.0NOPB LM2576HVSX-5.0/NOPB Texas Instruments 1: ¥1,375.3 3,494Expected 4/5/2027	Mfr. Part # LM2576HVSX-5.0/NOPB Mouser Part # 926-LM2576HVSX50NOPB	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg A 926- LM2576HVS5.0NOPB A A 926-LM2576HVS5.0NOPB Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	3,494Expected 4/5/2027	Cut Tape ¥1,375.3 ¥1,064.7 ¥988.3 ¥901.9 ¥880.3 Reel ¥827.2 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	LM2576HV	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 1A SD VTG Reg A 926- LM2575SX-12/NOPB A A 926-LM2575SX-12/NOPB LM2575S-12/NOPB Texas Instruments 1: ¥833.8 818Expected 11/23/2026	Mfr. Part # LM2575S-12/NOPB Mouser Part # 926-LM2575S-12/NOPB	Texas Instruments	Switching Voltage Regulators 1A SD VTG Reg A 926- LM2575SX-12/NOPB A A 926-LM2575SX-12/NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	818Expected 11/23/2026	¥833.8 ¥636.2 ¥559.8 ¥519.9 View ¥501.6 ¥488.3	Min.: 1 Mult.: 1	SMD/SMT	TO-263-5	Buck	12 V	1 A	1 Output	10 mA	58 kHz	- 40 C	+ 125 C	LM2575	Tube
Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575S-ADJ A 926-LM2575S-ADJ/NOPB LM2575SX-ADJ/NOPB Texas Instruments 1: ¥700.9 4,938On Order	Mfr. Part # LM2575SX-ADJ/NOPB Mouser Part # 926-LM2575SX-ADJNOPB	Texas Instruments	Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575S-ADJ A 926-LM2575S-ADJ/NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	4,938On Order On Order Ship Dates Mfr. #: LM2575SX-ADJ/NOPB Stock: 0 On Order: 938 Expected 12/24/2026 4,000 Expected 4/2/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥700.9 ¥529.9 ¥486.7 ¥440.2 ¥418.6 Reel ¥403.6 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TO-263-5	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 1A SD VTG Reg A 926- LM2575S-3.3/NOPB A A 926-LM2575S-3.3/NOPB LM2575SX-3.3/NOPB Texas Instruments 1: ¥712.6 1,967Expected 6/21/2027	Mfr. Part # LM2575SX-3.3/NOPB Mouser Part # 926-LM2575SX33NOPB	Texas Instruments	Switching Voltage Regulators 1A SD VTG Reg A 926- LM2575S-3.3/NOPB A A 926-LM2575S-3.3/NOPB Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	1,967Expected 6/21/2027	Cut Tape ¥712.6 ¥538.2 ¥493.3 ¥446.8 ¥430.2 Reel ¥393.7 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	LM2575	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A SD Vtg Reg LM2576HVT-ADJ/LF03 Texas Instruments 1: ¥1,156.1 1,246Expected 11/9/2026	Mfr. Part # LM2576HVT-ADJ/LF03 Mouser Part # 926-LM2576HVTADJLF03	Texas Instruments	Switching Voltage Regulators 3A SD Vtg Reg Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	1,246Expected 11/9/2026	¥1,156.1 ¥888.6 ¥797.3 ¥737.5 ¥705.9	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 SIMPLE SWITCHER 1A S tep-Down Voltage Re LM2575HVMX-5.0/NOPB Texas Instruments 1,000: ¥554.8 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2575HVMX-5.0/NOPB Mouser Part # 926-LM2575HVMX50NOPB	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ¥554.8	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	SOIC-24	Buck	5 V	1 A	1 Output		58 kHz	- 40 C	+ 125 C	LM2575HV	Reel
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re LM2575HVT-15/LF03 Texas Instruments 1: ¥1,008.2 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2575HVT-15/LF03 Mouser Part # 926-LM2575HVT15LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥1,008.2 ¥772.4 ¥714.2 ¥647.8	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	15 V	1 A	1 Output		58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re LM2575HVT-3.3/LF03 Texas Instruments 540: ¥646.1 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2575HVT-3.3/LF03 Mouser Part # 926-LM2575HVT33LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥646.1	Min.: 540 Mult.: 45	Through Hole	TO-220-5	Buck	3.3 V	1 A	1 Output		58 kHz	- 40 C	+ 125 C	LM2575HV	Tube
Switching Voltage Regulators 1A SD VTG Reg LM2575HVT-3.3/NOPB Texas Instruments 1: ¥946.8 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2575HVT-3.3/NOPB Mouser Part # 926-LM2575HVT33NOPB	Texas Instruments	Switching Voltage Regulators 1A SD VTG Reg Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥946.8 ¥722.5 ¥642.8 ¥598	Min.: 1 Mult.: 1	Through Hole	TO-220-5	Buck	3.3 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 LM2575T-3.3/LF03 Texas Instruments 360: ¥418.6 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2575T-3.3/LF03 Mouser Part # 926-LM2575T-33/LF03	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re Learn More about Texas Instruments ti lm2575x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥418.6	Min.: 360 Mult.: 45	Through Hole	TO-220-5	Buck	3.3 V	1 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2575	Tube
Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C LM2576HVT-5.0/LF02 Texas Instruments 180: ¥795.6 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # LM2576HVT-5.0/LF02 Mouser Part # 926-LM2576HVT50LF02	Texas Instruments	Switching Voltage Regulators SIMPLE SWITCHER® 4V to 60V 3A Low C Learn More about Texas Instruments ti lm2576x voltage regulators	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥795.6	Min.: 180 Mult.: 45	Through Hole	TO-220-5	Buck	5 V	3 A	1 Output		52 kHz	- 40 C	+ 125 C	LM2576HV	Tube

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LM257x SIMPLE SWITCHER® Voltage Regulators

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