NCP146中文资料CMOS Low Dropout Regulator, 300 mA数据手册ONSEMI规格书

描述 Description

The NCP146 is 300 mA LDO that provides the engineer with a very
stable, accurate voltage with low noise suitable for space constrained,
noise sensitive applications. In order to optimize performance for
battery operated portable applications, the NCP146 employs the
dynamic quiescent current adjustment for very low IQ consumption at
no−load.

特性 Features

• Operating Input Voltage Range: 1.7 V to 5.5 V
• Well suited for battery powered applications
• Low Dropout: 135 mV Typical at 300 mA
• Supports applications with very low Input to Output Voltage requirements
• Thermal Shutdown and Current Limit Protections
• Robust design and high reliability
• Very Low Quiescent Current of Typ. 50 µ\u0002A
• Highly effective solution at light load conditions
• +/- 1% typical Vout Accuracy
• Precise Vout for power sensitive devices
• Available in SOIC8 Package

应用 Application

• Other Battery Powered Applications
• Wireless module
• Camera supply module
• MCU and low power FPGA supply
• Smartphone
• Tablet
• Portable device
• Wireless handset
• Battery powered device

简介

NCP146属于集成电路（IC）的线性+开关稳压器。由制造生产的NCP146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。