Multi-Phase PWM Controller with PWM-VID Reference

General Description The RT8845B is a 4/3/2/1 phase synchronous Buck PWM controller which is optimized for high performance graphic microprocessor and computer applications. The RT8845B adopts G-NAVPTM (Green Native AVP) which is Richtek's proprietary topology derived from finite DC gain of EA

PWM-VID输入多相Buck PWM控制器

RT8845B是针对高性能图像处理器和计算机应用进行了优化处理的4/3/2/1相同步Buck PWM控制器，采用了立锜特有的基于有限直流增益误差放大器的电流模式控制技术的G-NAVP^TM (Green Native AVP) 控制架构，工作频率可随VID输入、负载和输入电压而变，即使在CCM模式下工作也可有效提升转换效率，并另有与G-NAVP^TM架构结合在一起的CCRCOT (Constant Current Ripple COT，固定电流纹波COT) 技术可在整个输入、输出范围内提供超低的输出电压纹波水平。此外，它还具有完善的故障保护功能，如过压保 • 多相PWM控制器\n• 支持1.8V PWM-VID接口\n• 动态PWM-VID电压控制方式\n• 内/外软起动控制\n• 工作频率可调\n• 支持超低输出电压作为待机电压\n• Power Good指示\n;

丝印代码：5Z；Multi-Phase PWM Controller with PWM-VID Reference

General Description The RT8845B is a 4/3/2/1 phase synchronous Buck PWM controller which is optimized for high performance graphic microprocessor and computer applications. The RT8845B adopts G-NAVPTM (Green Native AVP) which is Richtek's proprietary topology derived from finite DC gain of EA

Charge Pump Driver for LCD White LED Backlights

GENERAL DESCRIPTION The ADM8845 uses charge pump technology to provide the power required to drive up to six LEDs. The LEDs are used for backlighting a color LCD display, having regulated constant current for uniform brightness intensity. The main display can have up to four LEDs, and the sub dis

Charge Pump Driver for LCD White LED Backlights

GENERAL DESCRIPTION The ADM8845 uses charge pump technology to provide the power required to drive up to six LEDs. The LEDs are used for backlighting a color LCD display, having regulated constant current for uniform brightness intensity. The main display can have up to four LEDs, and the sub dis

High Performance Industry Standard Single-Ended Current Mode PWM Controller

High Performance Industry Standard Single-Ended Current Mode PWM Controller The ISL884xA is a high performance drop-in replacement for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configuration

3A CMOS LDO

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TA8845AN

文件：2.89343 Mbytes Page：68 Pages