Primary Side Control Offline LED Controller with Active PFC

DESCRIPTION The MP4021A is a primary-side–control offline LED lighting controller that achieves high power factor and accurate LED current for isolated single-power-stage lighting applications in a single SOIC8 package. The proprietary real current control method accurately controls LED current f

原边控制，带有源PFC的离线LED控制器

MP4021A是一款原边控制离线LED照明控制器。 它采用SOIC8封装，可为隔离式单功率级照明应用提供高功率因数和精确的LED电流。其专有的实时电流控制方法可通过原边信息精确控制LED电流。通过减少副边反馈组件和光耦合器，大大简化了LED照明系统的设计。MP4021A集成了功率因数校正功能，采用临界导通模式，减少了MOSFET开关损耗。它具有极低的启动电流和静态电流，可降低总功耗，并为照明应用提供高效率解决方案。MP4021A具有的多重保护功能极大地增强了系统可靠性与安全性。这些保护功能包括过压保护（OVP）、短路保护（SCP）、逐周期限流保护、VCC欠压锁定保护（UVLO）和自动重启热保护 • 无需副边反馈电路的实时电流控制\n• 独特的架构可实现出色的线性调整率\n• 在通用输入电压下提供0.9高功率因数\n• 临界导通模式可实现高效率\n• 20µA超低启动电流\n• 1mA低静态电流\n• 输入欠压锁定保护（UVLO）\n• 逐周期限流保护\n• 过压保护\n• 短路保护\n• 热保护\n• 采用 SOIC8 封装;

封装/外壳：8-SOIC（0.154"，3.90mm 宽） 包装：管件 描述：IC LED DRIVER OFFL 8SOIC 集成电路（IC） LED 驱动器

8-STAGE STATIC SHIFT REGISTERS

DESCRIPTION The HCC4014B, HCC4021B (extended temperature range) and the HCF4014B, HCF4021B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. 4014B SYNCHRONOUS PARALLEL OR SERIAL INPUT/

8-STAGE STATIC SHIFT REGISTERS

DESCRIPTION The HCC4014B, HCC4021B (extended temperature range) and the HCF4014B, HCF4021B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. 4014B SYNCHRONOUS PARALLEL OR SERIAL INPUT/

8-STAGE STATIC SHIFT REGISTERS

DESCRIPTION The HCC4014B, HCC4021B (extended temperature range) and the HCF4014B, HCF4021B (intermediate temperature range) are monolithic integrated circuits, available in 16-lead dual in-line plastic or ceramic package and plastic micro package. 4014B SYNCHRONOUS PARALLEL OR SERIAL INPUT/

8-bit static shift register

DESCRIPTION The HEF4021B is an 8-bit static shift register (parallel-to-serial converter) with a synchronous serial data input (DS), a clock input (CP), an asynchronous active HIGH parallel load input (PL), eight asynchronous parallel data inputs (P0 to P7) and buffered parallel outputs from th

8-bit static shift register

DESCRIPTION The HEF4021B is an 8-bit static shift register (parallel-to-serial converter) with a synchronous serial data input (DS), a clock input (CP), an asynchronous active HIGH parallel load input (PL), eight asynchronous parallel data inputs (P0 to P7) and buffered parallel outputs from th