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
5.060In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 SIMPLE SWITCHER® 8V to 40V 3A Low C A 926-LM2676SD-5.0NOPB
Datasheet
2.627In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Datasheet
276In 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 HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-5.0NOPB
Datasheet
4.088In 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-ADJNOPB
Datasheet
6.295In 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 HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676S-ADJ/NOPB
Datasheet
5.193In Stock
6.000Expected 2/15/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SX-12/NOPB
Datasheet
641In 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-3.3NOPB
Datasheet
1.441In 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 Hi Eff 3A SD VTG Reg A 926-LM2676SDX33NO A 926-LM2676SDX33NOPB
Datasheet
390In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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-LM2676S-12/NO A 926-LM2676S-12/NOPB
Datasheet
2.555In Stock
4.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
2.071In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Hi Eff 3A SD VTG Reg
Datasheet
420In 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
1.577In Stock
360Expected 7/30/2026
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
562In 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 Hi Eff 3A SD VTG Reg
Datasheet
271In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676SDX50NOPB
Datasheet
185In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Hi Eff 3A SD VTG Reg A 926-LM2676SDXADJN A 926-LM2676SDXADJNOPB
Datasheet
213In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 HIGH EFF 3A STEP- DO WN VLTG REG A 926-L A 926-LM2676S-5.0/NOPB
Datasheet
2.591In Stock
5.500Expected 2/8/2027
MouseReel Available
Min.: 1
Mult.: 1
: 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 SIMPLE SWITCHER® 8V to 40V 3A Low C A 926-LM2676SD33NOPB
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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