NCP718中文资料LDO Regulator, 300 mA, Low Iq, Wide Input Voltage数据手册ONSEMI规格书

描述 Description

The NCP718 is 300 mA LDO Linear Voltage Regulator. It is a very stable and accurate device with ultra−low quiescent current consumption (typ. 4 \u0002µA over the full temperature range) and a wide input voltage range (up to 24 V). The regulator incorporates several protection features such as Thermal Shutdown and Current Limiting.

特性 Features

• Ultra−Low Quiescent Current typ. 4 µA over Temperature
• Improved efficiency during light load conditions
• Operating Input Voltage Range 2.5 V to 24 V
• Wide operating range, suitable for industrial
• Adjustable and Fixed Version Available
• Possibility to create any output voltage in range 1.2V to 5V
• High PSRR 60dB at 1kHz
• Excellent for power sensitive device
• Noise typ. 36 µVRMS from 100 Hz to 100 kHz
• Very well suited for noise sensitive application
• Stable with 1 µF output capacitor
• Good stability with common and cheap capacitors
• Soft−start to Reduce Inrush Current and Overshoots
• Smooth and controlled output voltage raise
• SOA Limiting for High Vin / High Iout – Static and Dynamic
• Reliable operation under various condition

应用 Application

• NCP718 can be used for powering MCU and other IC
• Battery powered equipment
• Industrial power supplies
• Wireless routers
• Wireless charges
• Portable equipment
• Communication system
• Telecommunication : Zigbee, NB-IoT, Industrial : Smart Meter, Smart LED, Set-Top-Box, Medical : Equipment
• Wireless charges, routers
• Wearable electronics
• Sensor systems
• Battery powered applications

简介

NCP718属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP718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。