NCP786L数据手册集成电路（IC）的线性+开关稳压器规格书PDF

描述 Description

The NCP786L is a high-performance 5 mA low dropout (LDO) linear voltage regulator, offering a very wide operating input voltage range of up to 450 V DC operating and 700 V DC maximum. It is an ideal choice for high input voltage applications such as industrial and home automation, smart metering, home appliances. The NCP786L offers ±5% of output voltage accuracy, extremely high power supply rejection ratio and ultra low quiescent current of 10 µA typical. The NCP786L is very well suited for harsh environmental conditions. The NCP786L is offered as adjustable voltage regulator with output voltages from 1.27 V to 15 V.
SOT−223 package offers acceptable thermal performance and small PCB size.

特性 Features

• Operating Input Voltage: Up to 450 VDC
• Allows for direct AC mains connection
• PSRR:70 dB at 60 Hz
• Effectively reduces the input ripple
• Quiescent Current: 10 µA typical
• Greatly reduces the no-load power consumption
• SOT-223 Package
• Ideally suited for space constrained applications

应用 Application

•Industrial, Home Automation, White Goods, Lighting
• Low-Power MCU Applications Power Supply
• Smaller Size, No-Load Efficient replacement for Capacitive Dropper
• Circuit Breakers
• Smoke Sensors
• Home Appliances
• Smart Meters

简介

NCP786L属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP786L稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。