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 (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Topology Number of Outputs Switching Frequency Input Voltage Output Voltage Output Current Minimum Operating Temperature Maximum Operating Temperature Mounting Style Package / Case Packaging
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 6,594In Stock
Cut Tape
$1.04
$0.693
$0.638
$0.579
Reel
$0.521
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 3,976In Stock
Cut Tape
$0.99
$0.708
$0.639
$0.563
Reel
$0.466
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES - IPT OPTION FOR 3,088In Stock
Cut Tape
$2.71
$2.02
$1.85
$1.66
$1.57
Reel
$1.57
Min.: 1
Mult.: 1
Max.: 276
: 4,000
1 Output 1 MHz 35 V 7 A - 40 C + 125 C SMD/SMT DFN-8 Reel, Cut Tape
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 3,891In Stock
Cut Tape
$1.08
$0.772
$0.697
$0.614
Reel
$0.502
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 6,012In Stock
Cut Tape
$0.78
$0.563
$0.511
$0.452
Reel
$0.389
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 7,203In Stock
5,000Expected 4/2/2027
Cut Tape
$0.82
$0.586
$0.528
$0.463
Reel
$0.389
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 1,504In Stock
Cut Tape
$1.10
$0.805
$0.733
$0.653
Reel
$0.563
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 1,410In Stock
Cut Tape
$0.99
$0.729
$0.662
$0.59
Reel
$0.479
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 2,479In Stock
Cut Tape
$0.65
$0.462
$0.415
$0.362
Reel
$0.282
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 2,545In Stock
Cut Tape
$0.65
$0.462
$0.415
$0.362
Reel
$0.285
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
onsemi Switching Controllers SECONDARY SIDE SYNCHRONOUS 3,729In Stock
Cut Tape
$0.65
$0.462
$0.415
$0.362
Reel
$0.293
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 For GaNFET direct drive
2,500Expected 9/30/2026
Cut Tape
$0.84
$0.60
$0.538
$0.47
$0.437
Reel
$0.437
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