TLE42694数据手册集成电路（IC）的线性+开关稳压器规格书PDF

描述 Description

The TLE42694 is a monolithic integrated low dropout voltage regulator, especially designed for automotive applications. An input voltage up to 45 V is regulated to an output voltage of 5.0 V. The component is able to drive loads up to 150 mA. It is short-circuit proof by the implemented output current limitation and has an integrated over temperature shutdown. A reset signal is generated for an output voltage V Q,rt of typically 4.65 V. The power-on reset delay time can be programmed by the external delay capacitor. The additional sense comparator provides an early warning function: Any voltage (e.g. the input voltage) can be monitored, an under-voltage condition is indicated by setting the comparator’s output to low. The reset and sense output are internally connected to the output Q via a pull-up resistor. If these integrated resistors are not desired, the TLE42794 can be used instead of the TLE42694.

特性 Features

·Output Voltage 5 V ± 2%
·Ouput Current up to 150 mA
·Very Low Current Consumption
·Early Warning
·Power-on and Undervoltage Reset with Programmable Delay Time
·Reset Low Down to V Q  = 1 V
·Adjustable Reset Threshold
·Very Low Dropout Voltage
·Output Current Limitation
·Reverse Polarity Protection
·Overtemperature Protection
·Suitable for Use in Automotive Electronics
·Wide Temperature Range from -40 °C up to 150 °C
·Input Voltage Range from -42 V to 45 V
·Integrated Pull-Up Resistors at Logic Outputs
·Green Product (RoHS compliant)
·AEC Qualified

应用 Application

·Automotive General

简介

TLE42694属于集成电路（IC）的线性+开关稳压器。由制造生产的TLE42694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。