NCV4274中文资料Linear Voltage Regulator, LDO, 400 mA数据手册ONSEMI规格书

描述 Description

The NCV4274 and NCV4274A are precision micro-power voltage regulators with output current capability of 400 mA available in the SOT-223, DPAK and D2PAK packages.The output voltage 8.5V, 5.0V, 3.3V or 2.5V are accurate within ±2% or ±4% depending on the version, with a maximum dropout voltage of 0.5V with an input up to 40 V.Low Quiescent Current is a feature drawing only 150 µA with a 1 mA load.This part is ideal for automotive and all battery operated microprocessor equipment.The regulator is protected against reverse battery, short circuit, thermal overload conditions and can withstand load dump transients making it suitable for use in automotive environments.

特性 Features

• 2.5, 3.3 V, 5.0 V, 8.5 V, 2.0% Output Options2.5, 3.3 V, 5.0 V, 4.0% Output Options400 mA Output Current
• Tight regulation limits; design flexibility
• Protections:+60 V Peak Transient Voltage-42V Reverse Voltage Short CircuitThermal Overload
• No external components required to enable protections required within any automotive applications
• Very Low Dropout Voltage
• Can operate during cranking at low input voltage
• AEC-Q100 Qualified
• Meet automotive qualification standard

应用 Application

• Engine Control Unit, Powertrain
• Body and Chassis
• Automotive

简介

NCV4274属于集成电路（IC）的线性+开关稳压器。由制造生产的NCV4274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。