LM2676 SIMPLE SWITCHER® 3A Voltage Regulators

Texas Instruments LM2676 SIMPLE SWITCHER® High-Efficiency 3A Step-Down Voltage Regulators are monolithic integrated circuits designed to provide the active functions for a step-down (buck) switching regulator capable of driving up to 3A loads with excellent line and load regulation characteristics. High efficiency of >90% is achieved through the use of a low ON-resistance DMOS power switch. The series also features built-in thermal shutdown, current limiting, and an ON/OFF control input that can power down the regulator to a low 50μA quiescent current standby condition. The Texas Instruments LM2676 consists of fixed output voltages of 3.3V, 5V, and 12V and an adjustable output version. The output voltage is guaranteed to a ±2% tolerance. The clock frequency is controlled to within a ±11% tolerance.

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Description Datasheet Availability Pricing (EUR) 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 SIMPLE SWITCHER® 8V to 40V 3A Low C A 926-LM2676SDADJNOPB
Datasheet
5.140In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT VSON-14 Buck 1.2 V to 37 V 3 A 1 Output 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-3.3NOPB
Datasheet
2.420In Stock
Min.: 1
Mult.: 1

SMD/SMT TO-263-7 Buck 3.3 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SDX50NOPB
Datasheet
210In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VSON-14 Buck 5 V 3 A 1 Output 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-5.0NOPB
Datasheet
7.434In Stock
Min.: 1
Mult.: 1

SMD/SMT TO-263-7 Buck 5 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-12/NOPB
Datasheet
592In Stock
Min.: 1
Mult.: 1

SMD/SMT TO-263-7 Buck 12 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-ADJNOPB
Datasheet
2.705In Stock
Min.: 1
Mult.: 1

SMD/SMT TO-263-7 Buck 1.2 V to 37 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER® 8V to 40V 3A Low C A 926-LM2676SD-5.0NOPB
Datasheet
976In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

SMD/SMT VSON-14 Buck 5 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg A 926-LM2676S-12/NO A 926-LM2676S-12/NOPB
Datasheet
2.780In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT TO-263-7 Buck 12 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676S-3.3/NOPB
Datasheet
1.637In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT TO-263-7 Buck 3.3 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676S-5.0/NOPB
Datasheet
4.051In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500
SMD/SMT TO-263-7 Buck 5 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676S-ADJ/NOPB
Datasheet
2.178In Stock
2.900Expected 11/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

SMD/SMT TO-263-7 Buck 1.2 V to 37 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg
Datasheet
266In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VSON-14 Buck 12 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg A 926-LM2676SDX33NO A 926-LM2676SDX33NOPB
Datasheet
224In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VSON-14 Buck 3.3 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg A 926-LM2676SDXADJN A 926-LM2676SDXADJNOPB
Datasheet
245In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 250

SMD/SMT VSON-14 Buck 1.2 V to 37 V 3 A 1 Output 260 kHz - 40 C + 125 C LM2676 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg
Datasheet
287In Stock
Min.: 1
Mult.: 1

Through Hole TO-220-7 Buck 3.3 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators Hi Eff 3A SD VTG Reg
Datasheet
295In Stock
Min.: 1
Mult.: 1

Through Hole TO-220-7 Buck 12 V 3 A 1 Output 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG
Datasheet
431In Stock
Min.: 1
Mult.: 1

Through Hole TO-220-7 Buck 5 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators HIGH EFF 3A STEP- DO WN VLTG REG
Datasheet
387In Stock
Min.: 1
Mult.: 1

Through Hole TO-220-7 Buck 1.2 V to 37 V 3 A 1 Output 4.2 mA 260 kHz - 40 C + 125 C LM2676 Tube
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER® 8V to 40V 3A Low C A 926-LM2676SD33NOPB
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

SMD/SMT VSON-14 Buck 3.3 V 3 A 1 Output 260 kHz - 40 C + 125 C LM2676 Reel