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.

Results: 12
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Topology Number of Outputs Switching Frequency Output Voltage Output Current Minimum Operating Temperature Maximum Operating Temperature Mounting Style Package / Case Packaging
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 5,587In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 6,652In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 2,541In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES 3,321In Stock
Min.: 1
Mult.: 1
: 3,000

Flyback 1 Output 1 MHz 5 V 7 A - 40 C + 125 C SMD/SMT TSOP-6 Reel, Cut Tape
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 3,891In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 8,447In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 4,109In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 1,751In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 1,479In Stock
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 1,791In Stock
5,000Expected 2026-06-19
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES - IPT OPTION FOR
3,950Expected 2026-06-19
Min.: 1
Mult.: 1
: 4,000

1 Output 1 MHz 7 A - 40 C + 125 C SMD/SMT DFN-8 Reel, Cut Tape
onsemi Switching Controllers Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies For GaNFET direct drive Non-Stocked Lead-Time 53 Weeks
Min.: 1
Mult.: 1
: 2,500

1 Output 1 MHz 10 V - 40 C + 125 C SMD/SMT SOIC-8 Reel, Cut Tape