TLE4470G - Infineon Technologies

Manufacturer Part Number

TLE4470G

Manufacturer

Infineon Technologies

Introduction

The TLE4470G is a dual Low Drop Out (LDO) voltage regulator from Infineon's OPTIREG™ series, specifically designed for automotive applications.

Product Features and Performance

Dual voltage regulators

Adjustable output (fixed options available)

Input voltage up to 45V

Minimum output voltage 5V, maximum output voltage 20V

Dropout voltage maximum 0.5V at 100mA and 0.6V at 200mA

Output current of 180mA and 350mA

Very low quiescent current of 500 µA

High power supply rejection ratio (PSRR) of 60dB from 20Hz to 20kHz

Integrated enable and reset control features

Product Advantages

High reliability and performance in automotive environments

Low dropout voltage for improved efficiency

Dual regulator design reduces component count in applications

Robust protection features including over current, over temperature, and short circuit protection

Key Technical Parameters

Voltage Input (Max): 45V

Voltage Output (Min/Fixed): 5V

Voltage Output (Max): 20V

Current Output: 180mA, 350mA

Dropout Voltage (Max): 0.5V @ 100mA, 0.6V @ 200mA

Quiescent Current (Iq): 500 µA

Operating Temperature Range: -40°C to 150°C

Quality and Safety Features

AEC-Q100 qualified

Over current, over temperature, and short circuit protections

Compatibility

Designed for automotive power systems

Compatibility with a wide range of automotive sensors and microcontrollers

Application Areas

Automotive electronic control units (ECUs)

Power management systems in vehicles

Automotive sensor systems

Product Lifecycle

Currently marked as obsolete

Consider looking for newer models or replacements within Infineon Technologies' range

Several Key Reasons to Choose This Product

Dual LDO regulators enable more compact circuit designs

Low dropout enhances power efficiency especially in battery-operated systems

High PSRR minimizes noise and fluctuation in power supply

Built-in safety features ensure reliable operation under extreme automotive conditions

Support for high operating temperatures up to 150°C making it ideal for demanding automotive applications