TLF4949EJ中文资料汽车级线性稳压器数据手册Infineon规格书

描述 Description

It is designed to supply microcontroller controlled systems especially in automotive applications.

特性 Features

• Operating DC Supply Voltage Range 5 V to 28 V
• Transient Supply Voltage up to 40 V
• Extremely low Quiescent Current in Standby Mode
• High Precision Standby Output Voltage 5 V ±1%
• Output Current Capability up to 100 mA
• Very low Dropout Voltage less than 0.5 V
• Reset Circuit sensing the Output Voltage
• Programmable Reset Pulse Delay with External Capacitor
• Voltage Sense Comparator
• Thermal Shutdown and Short Circuit Protections
• Suitable for Use in Automotive Electronics
• Green Product (RoHS)
• AEC Qualified

优势:
•Cost effective voltage regulator with reset and early warning
•Compatible with 4949 variants
•High reset immunity

应用 Application

•Automotive voltage regulator for microcontroller

简介

TLF4949EJ属于集成电路（IC）的线性+开关稳压器。由制造生产的TLF4949EJ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。