PN8326 LED constant current driver chip switching power supply management ic chip application program The PN8326 includes a high-precision constant-current primary-side controller and power MOSFETs, and is designed for high-reliability, isolated dual-winding, ultra-compact peripheral components and small and medium-power LED lighting. The chip works in the primary side adjustment mode, and the optocoupler and TL431 can be omitted. The patented technology of fast DMOS self-power supply can save the transformer auxiliary winding and the high voltage start-up resistor. The chip provides a very comprehensive self-recovery protection, including cycle-by-cycle over-current protection, open-loop protection, over-temperature protection, Rcs open/short circuit protection and LED open/short circuit protection. Built-in high-voltage start-up circuit and extremely low chip power consumption help to obtain higher working efficiency. In the constant current mode, the current and output power can be adjusted by the Rs resistance of the CS pin. PN8326 product features: ■Built-in high-voltage soft-start circuit saves external start-up resistor ■Primary-side feedback and adjustment technology saves optocoupler and TL431 ■Fast self-powered patented technology without transformer auxiliary winding ■Patented built-in line voltage compensation circuit ■±3% LED constant current accuracy ■Adjustable constant current output value ■0.5% line voltage compensation accuracy ■Built-in primary inductance compensation circuit ■Excellent overall protection Over-temperature protection (OTP) Cycle-by-Cycle Over Current Protection (OCP) LED open/short circuit protection Patented CS Resistor Open/Short Circuit Protection Safe automatic recovery mode PN8326 Package / Ordering Information Typical application diagram of PN8326 PN8326 is widely used in: ■LED bulb light ■LED external power supply Vape 1500 Puffs,Vape Puffs,Flash Vapes 1500,Disposable Vape Stick TSVAPE Wholesale/OEM/ODM , https://www.tsecigarette.com
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PN8326 Product Description:
â– Built-in 700V high avalanche power MOSFET