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NCP4306 Synchronous Rectification Drivers

onsemi NCP4306 Synchronous Rectification Drivers are high‑performance secondary‑side devices designed to optimize efficiency in switch‑mode power supplies (SMPS). The onsemi NCP4306 supports a wide range of power‑conversion topologies (including DCM/CCM flyback, quasi‑resonant flyback, forward, and resonant LLC) thanks to the versatile control architecture and robust drive capability. These devices provide precise true secondary‑side zero‑current detection and offer extremely low turn‑off delay (typically 15ns), enabling maximum MOSFET conduction time and improved overall system efficiency. The combination of adjustable or fixed minimum on‑time and off‑time blanking allows designers to mitigate PCB‑induced ringing and parasitic effects for stable, noise‑free SR operation.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Topology	Number of Outputs	Switching Frequency	Input Voltage	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Packaging
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AADZZZAMNTWG onsemi 1: 0,912 € 6.536In Stock	Mfr. Part No. NCP4306AADZZZAMNTWG Mouser Part No 863-4306AADZZZAMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	6.536In Stock	Cut Tape 0,912 € 0,611 € 0,563 € 0,511 € View Reel 0,448 € 0,485 € 0,47 € 0,461 € 0,453 € 0,448 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES - IPT OPTION FOR NCP4306ABHZZZAMNTWG onsemi 1: 2,33 € 2.688In Stock New Product	Mfr. Part No. NCP4306ABHZZZAMNTWG Mouser Part No 863-4306ABHZZZAMNTWG New Product	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES - IPT OPTION FOR Learn More about onsemi ncp4306 drivers	Datasheet	2.688In Stock	Cut Tape 2,33 € 1,74 € 1,59 € 1,43 € 1,35 € Reel 1,35 €	Min.: 1 Mult.: 1 Max.: 400 : 4.000		1 Output	1 MHz	35 V		7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8	Reel, Cut Tape
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AADZZZAMN1TBG onsemi 1: 0,937 € 3.891In Stock	Mfr. Part No. NCP4306AADZZZAMN1TBG Mouser Part No 863-4306AADZZZAMN1TG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	3.891In Stock	Cut Tape 0,937 € 0,676 € 0,61 € 0,538 € Reel 0,432 € View 0,503 € 0,482 € 0,469 € 0,396 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306AADZZZADR2G onsemi 1: 0,748 € 12.198In Stock	Mfr. Part No. NCP4306AADZZZADR2G Mouser Part No 863-NCP4306AADZADR2G	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	12.198In Stock	Cut Tape 0,748 € 0,527 € 0,474 € 0,415 € Reel 0,335 € View 0,387 € 0,37 € 0,356 € 0,329 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AAAZZZAMN1TBG onsemi 1: 0,972 € 1.513In Stock	Mfr. Part No. NCP4306AAAZZZAMN1TBG Mouser Part No 863-4306AAAZZZAMN1TG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	1.513In Stock	Cut Tape 0,972 € 0,713 € 0,648 € 0,579 € Reel 0,464 € View 0,571 € 0,547 € 0,533 € 0,455 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AAAZZZAMNTWG onsemi 1: 0,886 € 1.410In Stock	Mfr. Part No. NCP4306AAAZZZAMNTWG Mouser Part No 863-4306AAAZZZAMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	1.410In Stock	Cut Tape 0,886 € 0,645 € 0,587 € 0,523 € View Reel 0,45 € 0,492 € 0,482 € 0,478 € 0,472 € 0,45 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306AAAZZZADR2G onsemi 1: 0,714 € 386In Stock 22.500On Order	Mfr. Part No. NCP4306AAAZZZADR2G Mouser Part No 863-NCP4306AAAZADR2G	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	386In Stock 22.500On Order On Order Ship Dates Mfr. No: NCP4306AAAZZZADR2G Stock: 386 Can Dispatch Immediately On Order: 10.000 Pending 12.500 Expected 10/16/2026 Factory Lead Time: 28 Weeks	Cut Tape 0,714 € 0,552 € 0,454 € 0,398 € View Reel 0,353 € 0,372 € 0,369 € 0,353 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.500 : 2.500	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306DADZZDASNT1G onsemi 1: 0,585 € 979In Stock	Mfr. Part No. NCP4306DADZZDASNT1G Mouser Part No 863-NCP4306DADDASNTG	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	979In Stock	Cut Tape 0,585 € 0,41 € 0,368 € 0,322 € View Reel 0,247 € 0,30 € 0,286 € 0,275 € 0,247 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	TSOP-6	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES NCP4306DADZZBASNT1G onsemi 1: 0,559 € 2.551In Stock	Mfr. Part No. NCP4306DADZZBASNT1G Mouser Part No 863-NCP4306DADZZBASN	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES Learn More about onsemi ncp4306 drivers	Datasheet	2.551In Stock	Cut Tape 0,559 € 0,397 € 0,357 € 0,311 € View Reel 0,245 € 0,29 € 0,277 € 0,267 € 0,245 €	Min.: 1 Mult.: 1 Max.: 3.000 : 3.000	Flyback	1 Output	1 MHz		5 V	7 A	- 40 C	+ 125 C	SMD/SMT	TSOP-6	Reel, Cut Tape
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306DAHZZAASNT1G onsemi 1: 0,585 € 679In Stock 3.000Expected 6/11/2027	Mfr. Part No. NCP4306DAHZZAASNT1G Mouser Part No 863-NCP4306DAHAASNTG	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	679In Stock 3.000Expected 6/11/2027	Cut Tape 0,585 € 0,41 € 0,368 € 0,322 € View Reel 0,262 € 0,30 € 0,286 € 0,275 € 0,262 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	TSOP-6	Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS NCP4306AAHZZZADR2G onsemi 1: 0,886 € 7.498On Order	Mfr. Part No. NCP4306AAHZZZADR2G Mouser Part No 863-NCP4306AAHZADR2G	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS Learn More about onsemi ncp4306 drivers	Datasheet	7.498On Order	Cut Tape 0,886 € 0,63 € 0,567 € 0,499 € View Reel 0,406 € 0,467 € 0,447 € 0,429 € 0,406 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.500 : 2.500	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
Switching Controllers Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies For GaNFET direct drive NCP4306ABHZZZADR2G onsemi 1: 0,722 € 2.500Expected 10/23/2026 New Product	Mfr. Part No. NCP4306ABHZZZADR2G Mouser Part No 863-P4306ABHZZZADR2G New Product	onsemi	Switching Controllers Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies For GaNFET direct drive Learn More about onsemi ncp4306 drivers	Datasheet	2.500Expected 10/23/2026	Cut Tape 0,722 € 0,516 € 0,463 € 0,404 € 0,376 € Reel 0,376 €	Min.: 1 Mult.: 1 Max.: 250 : 2.500		1 Output	1 MHz	35 V	10 V		- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape

NCP4306 Synchronous Rectification Drivers

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