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.

Results: 112
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Mounting Style Package/Case Topology Output Voltage Output Current Number of Outputs Quiescent Current Switching Frequency Minimum Operating Temperature Maximum Operating Temperature Series Packaging
Texas Instruments Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMXADJNPB 19,943In Stock
$9.03
$6.92
$6.22
$5.81
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
Texas Instruments Switching Voltage Regulators 3A STEP-DOWN VLTG RE G A 926-LM2576HVSX1 A 926-LM2576HVSX12NOPB 6,895In Stock
$12.76
$10.08
$8.99
$7.68
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

Texas Instruments Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG 5,242In Stock
$11.59
$8.99
$8.06
$7.53
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
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re 650In Stock
$5.58
$4.22
$3.70
$3.43
$3.03
Min.: 1
Mult.: 1
Through Hole TO-220-5 Buck 15 V 1 A 1 Output 52 kHz - 40 C + 125 C LM2575 Tube
Texas Instruments Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM15NOPB A A 926-LM2574HVM15NOPB 644In Stock
Cut Tape
$7.68
$5.86
$5.40
$4.90
Reel
$4.38
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
Texas Instruments Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM12NOPB A A 926-LM2574HVM12NOPB 2,767In Stock
Cut Tape
$7.68
$5.86
$5.40
$4.90
Reel
$4.27
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
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575M-ADJ/NOPB 949In Stock
Cut Tape
$4.20
$3.16
$2.88
$2.60
Reel
$2.22
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
Texas Instruments Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX3 A 926-LM2575HVSX33NOPB 268In Stock
$8.64
$6.49
$6.00
$5.18
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
Texas Instruments Switching Voltage Regulators 3A SD Vtg Reg 376In Stock
$4.96
$3.74
$3.28
$3.03
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
Texas Instruments Switching Voltage Regulators 1A SD Vtg Reg 5,136In Stock
$7.06
$5.34
$4.80
$4.39
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
Texas Instruments Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574HVMX A 926-LM2574HVMX50NOPB 2,644In Stock
$9.03
$7.18
$6.08
$5.81
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
Texas Instruments Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVM5.0NOPB A 926-LM2574HVM5.0NOPB 855In Stock
4,000Expected 23/11/2026
Cut Tape
$7.67
$5.85
$5.39
$4.88
Reel
$4.43
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
Texas Instruments Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574HVMADJNOPB A 926-LM2574HVMADJNOPB 3,909In Stock
Cut Tape
$7.74
$5.92
$5.45
$4.98
Reel
$4.43
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
Texas Instruments Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574MX33 A 926-LM2574MX33NOPB 2,567In Stock
$4.77
$3.59
$2.80
$2.64
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
Texas Instruments Switching Voltage Regulators 0.5A SD VTG Reg A 92 6-LM2574M-12/NOPB A A 926-LM2574M-12/NOPB 1,842In Stock
Cut Tape
$4.08
$3.05
$2.80
$2.52
Reel
$2.07
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
Texas Instruments Switching Voltage Regulators 0.5A STEP-DOWN VLTG REG A 926-LM2574M-5. A 926-LM2574M-5.0/NOPB 2,061In Stock
6,000Expected 23/11/2026
Cut Tape
$3.92
$2.98
$2.73
$2.43
Reel
$2.20
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

Texas Instruments Switching Voltage Regulators 0.5A SD Vtg Reg 849In Stock
$5.52
$4.18
$3.70
$3.41
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

Texas Instruments Switching Voltage Regulators 0.5A SD Vtg Reg 880In Stock
$5.52
$4.18
$3.70
$3.41
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
Texas Instruments Switching Voltage Regulators 1A STEP-DOWN VLTG RE G A 926-LM2575HVSX5 A 926-LM2575HVSX50NOPB 2,986In Stock
$8.46
$6.49
$5.90
$5.44
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
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER 1A S tep-Down Voltage Re A 926-LM2575HVS15NOPB 551In Stock
Cut Tape
$6.76
$5.14
$4.75
$4.30
Reel
$3.94
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
Texas Instruments Switching Voltage Regulators 1A STEP-DOWN VLTG RE G 1,551In Stock
$7.71
$5.89
$5.26
$4.87
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
Texas Instruments Switching Voltage Regulators 1A STEP-DOWN VLTG RE G 1,764In Stock
$7.93
$6.05
$5.47
$5.00
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
Texas Instruments Switching Voltage Regulators 1A SD VTG Reg 1,384In Stock
$8.26
$6.32
$5.85
$5.30
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
Texas Instruments Switching Voltage Regulators 1A SD VTG Reg 1,714In Stock
$8.36
$6.41
$5.77
$5.33
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
Texas Instruments Switching Voltage Regulators 1A STEP-DOWN VLTG RE G 2,963In Stock
$7.78
$5.96
$5.26
$4.90
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