LM516x/LM516x-Q1 Synchronous Buck Converters

Texas Instruments LM516x/LM516x-Q1 Synchronous Buck Converters are designed to regulate over a wide input voltage range, minimizing the need for external surge suppression components. A minimum controllable on-time of 50ns facilitates large step-down conversion ratios, enabling the direct step-down from a 48V nominal input to low-voltage rails for reduced system complexity and solution cost. The LM516x/LM516x-Q1 operates during input voltage dips as low as 6V, at nearly 100% duty cycle if needed, making it an excellent choice for wide input supply range industrial and high-cell count battery pack applications.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
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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 6V to 120V Wide VIN 650-mA DC/DC conver
Datasheet
2,793In Stock
Min.: 1
Mult.: 1
Max.: 1,001
: 2,500

SMD/SMT WSON-8 Buck 650 mA 1 Output 420 uA 100 kHz to 1 MHz - 40 C + 150 C LM5169 Reel, Cut Tape
Texas Instruments Switching Voltage Regulators
Datasheet
1,252In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,001
: 2,500

SMD/SMT WSON-8 Buck, Flyback 1.2 V to 90 V 650 mA 1 Output 10 uA 1 MHz - 40 C + 150 C Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators
Datasheet
1,224In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1,001
: 2,500

SMD/SMT WSON-8 Buck, Flyback 1.2 V to 90 V 300 mA 1 Output 10 uA 1 MHz - 40 C + 150 C Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators
Datasheet
344In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT WSON-8 Buck, Flyback 1.2 V to 90 V 300 mA 1 Output 10 uA 1 MHz - 40 C + 150 C Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 6-V to 12 0-V Wide VIN 650-mA
Datasheet
2,916In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 10 V 300 mA 1 Output 3 uA 1 MHz - 40 C + 125 C LM5169 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 6-V to 12 0-V Wide VIN 650-mA
Datasheet
1,929In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 1.2 V to 90 V 300 mA 1 Output 880 uA 100 kHz to 1 GHz - 40 C + 150 C LM5169 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6-V to 120-V wide VI N 300-mA DC-DC conv
Datasheet
2,015In Stock
5,000Expected 2027-02-18
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 10 V 300 mA 1 Output 3 uA 1 MHz - 40 C + 150 C LM5168 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6-V to 120-V Wide VI N 650-mA DC/DC conv
Datasheet
346In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 5 V 300 mA 1 Output 3 uA 1 MHz - 40 C + 150 C LM5169 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 6-V to 12 0-V Wide VIN 300-mA
Datasheet
93In Stock
2,500Expected 2026-11-05
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 1.2 V to 90 V 300 mA 1 Output 880 uA 100 kHz to 1 GHz - 40 C + 150 C LM5168 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6-V to 120-V Wide VI N 650-mA DC/DC conv
Datasheet
20,000Expected 2027-02-18
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 5 V 650 mA 1 Output 3 uA 1 MHz - 40 C + 150 C LM5169 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6-V to 120-V wide VI N 300-mA DC-DC conv
Datasheet
5,000Expected 2026-12-11
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SOIC-PowerPAD-8 Buck, Flyback 300 mA 1 Output 420 uA 100 kHz to 1 MHz - 40 C + 150 C LM5168 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators Automotive 6-V to 12 0-V Wide VIN 300-mA
Datasheet
4,998Expected 2027-04-23
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT SO-PowerPAD-8 Buck, Flyback 10 V 300 mA 1 Output 3 uA 1 MHz - 40 C + 125 C LM5168 Reel, Cut Tape, MouseReel