TPS92310 - 具有 PFC 的离线初级侧感应 LED 驱动器]]

TPS92310是TI德州仪器公司的一款LED照明-照明产品，TPS92310是具有 PFC 的离线初级侧感应 LED 驱动器]]，本站介绍了TPS92310的封装应用图解、特点和优点、功能等，并给出了与TPS92310相关的TI元器件型号供参考。

TPS92310 - 具有 PFC 的离线初级侧感应 LED 驱动器]] - LED照明-照明 - LED驱动器 - 德州仪器

产品描述

The TPS92310 is an off-line controller specifically designed to drive high power LEDs for lighting applications. With the primary side sensing, constant on-time and quasi-resonant switching techniques, the TPS92310 application circuit gives high Power Factor, good EMI performance and high system efficiency. Also, using this device, low external component count application solutions can be designed easily. Power Factor Correction is inherent if the TPS92310 is operated in the constant on-time mode with an adaptive algorithm. The control algorithm of TPS92310 adjusts the on-time with reference to the primary side inductor peak current and secondary side inductor discharge time dynamically, the response time of which is set by an external capacitor. Also, minimized EMI and switching loss is achieved with quasi-resonant switching. Other supervisory features of the TPS92310 include cycle-by-cycle primary side inductor current limit, VCC under-voltage lockout, output over-voltage protection and thermal shutdown. The TPS92310 is available in the MSOP-10 package.

产品特性

Regulates LED current without secondary side sensing

Adaptive ON-time control with inherent PFC

Critical-Conduction-Mode (CRM) with Zero-Current Detection (ZCD) for valley switching

Programmable switch turn ON delay

Programmable Constant ON-Time (COT) and Peak Current Control

Over-temperature protection

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