LT8309 Secondary-Side Rectifier Drivers

Analog Devices Inc. LT8309 Secondary-Side Synchronous Rectifier Drivers replace the output rectifier diode in a flyback topology. Applications are no longer restricted by the heat constraints of the output diode when the diode is replaced with an N-channel MOSFET. The IC replicates the behavior of a diode by sensing the drain-to-source voltage to determine when the current becomes negative. The components' low minimum on- and off-times help improve noise immunity.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
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Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
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Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
3,590In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT TSOT-23-5 Flyback 150 V 42 mA 1 Output 300 uA Adjustable - 40 C + 125 C LT8309 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
3,210In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TSOT-23-5 Flyback 150 V 42 mA 1 Output 300 uA Adjustable - 40 C + 125 C LT8309 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
685In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TSOT-23-5 Flyback 150 V 42 mA 1 Output 300 uA Adjustable - 40 C + 125 C LT8309 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
259In Stock
500Expected 12/6/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

SMD/SMT TSOT-23-5 Flyback 150 V 1 Output 300 uA - 40 C + 150 C LT8309 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT TSOT-23-5 Flyback 150 V 1 Output 300 uA - 40 C + 125 C LT8309 Reel
Analog Devices Switching Voltage Regulators Secondary-Side Sync Rectifier Drvr
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2,500
Mult.: 2,500
: 2,500

SMD/SMT TSOT-23-5 Flyback 150 V 1 Output 300 uA - 40 C + 150 C LT8309 Reel