NCP167中文资料LDO Regulator, Ultra-Low Noise and High PSRR, 700 mA, for RF and Analog Circuits数据手册ONSEMI规格书

描述 Description

The NCP167 is an LDO (Low Dropout Regulator) capable of supplying 700 mA output current. Designed to meet the requirements of RF and analog circuits, the NCP167 device provides low noise, high PSRR, low quiescent current, and very good load/line transients. The device is designed to work with a 1 µF input and a 1 µF output ceramic capacitor. It is available in two thickness ultra−small 0.35P, 0.65 mm x 0.65 mm Chip Scale Package (CSP) and XDFN−4 0.65P, 1 mm x 1 mm.
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特性 Features

• Ultra High PSRR 85dB at 1 kHz, 63dB at 100 kHz
• Excellent for power sensitive device like Wi-Fi module
• Ultra Low Output Noise 8.5 µVRMS
• Very well suited for noise sensitive application
• Ultra Low Quiescent current 12 µA
• Improved efficiency during light load conditions
• Operating Input Voltage Range 1.9V to 5.5V
• Suitable for battery powered device
• Very Low Dropout 210mV at 700mA
• Low power dissipation at full load
• Available in CSP4 0.35P and XDFN4 0.65P package
• Great for space constraint application

应用 Application

• A/D and D/A Converters Power supply
• Audio codec
• Battery Powered Equipment
• Camera module
• RF Modules
• WiGig Power Supply
• LP5907 or LP5912 Upgrade
• Cameras and camcoders
• Smartphones
• Tablets
• Wireless Routers

简介

NCP167属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP167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。