NCV59745中文资料3 A, LDO Regulator with Bias Rail, Ultra-Low Noise, Very Low Dropout and Programmable Soft-Start数据手册ONSEMI规格书

描述 Description

The NCV59745 is a 3A LDO Regulator with ultra-low noise and 115 mV typical voltage dropout at full load current. This series contains fixed output voltages that have high accuracy and broad bandwidth high PSRR makes this LDO ideal for powering noise sensitive high speed communication devices, high end FPGAs and microprocessors.The NCV59745 is offered in QFNW20 4.0 mm x 4.0 mm package.

特性 Features

• 195mV maximum dropout at the full 3.0 A load
• High power rail efficiency to improve thermal losses
• 0.8 V to 5.5 V input voltage
• Ideal for Low VIN applications to improve the overall efficiency
• Low Noise, 6uVrms typically
• Perfect for powering RF power rails and noise sensitive high speed devices
• Fast Transient Response
• Very Suitable choice for Voltage Regulation in High-Speed Digital and Mixed-Signal Applications
• Programmable Soft-Start
• To reduce the amount of inrush current
• Available in QFNW20 4x4 mm package
• Improved thermal resistance and power density with wettable flank (pin edge plating)
• 1% max accuracy over line, load, and temperature
• Avoid false tripping during monitoring and for improved design margin

应用 Application

• Voltage Regulation for Low Voltage, High Current FPGA, DSP power rails
• Voltage Regulation for Mixed-Signal Transceiver ICs
• RF Amplifiers
• High Speed Analog VCO, DAC, ADC
• Automotive Radar Transceivers and RF Front-End Supplies
• Infotainment and Instrument Clusters
• ADAS Electronic (ECU) and Telematic (TCU) Control Units
• General Purpose Automotive

简介

NCV59745属于集成电路（IC）的线性+开关稳压器。由制造生产的NCV59745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。