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 6,536In Stock
Cut Tape
$1.27
$0.918
$0.832
$0.734
Reel
$0.598
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 RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES - IPT OPTION FOR 2,688In Stock
Cut Tape
$2.92
$2.17
$1.99
$1.78
$1.69
Reel
$1.69
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
onsemi Switching Controllers SECONDARY SIDE SYNCH RONOU 3,892In Stock
Cut Tape
$1.14
$0.826
$0.744
$0.654
Reel
$0.542
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 12,198In Stock
Cut Tape
$0.92
$0.647
$0.58
$0.507
Reel
$0.414
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 1,513In Stock
Cut Tape
$1.26
$0.918
$0.83
$0.733
Reel
$0.612
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
$1.17
$0.854
$0.768
$0.676
Reel
$0.547
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 1,804In Stock
20,000On Order
Cut Tape
$0.92
$0.647
$0.58
$0.507
Reel
$0.414
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 979In Stock
Cut Tape
$0.70
$0.498
$0.447
$0.39
Reel
$0.319
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 2,551In Stock
Cut Tape
$0.70
$0.498
$0.447
$0.39
Reel
$0.319
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 463In Stock
3,000On Order
Cut Tape
$0.70
$0.498
$0.447
$0.39
Reel
$0.311
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
7,498Expected 2027/01/15
Cut Tape
$1.07
$0.769
$0.693
$0.609
Reel
$0.504
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
2,500Expected 2027/01/18
Cut Tape
$0.92
$0.647
$0.58
$0.507
$0.471
Reel
$0.471
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