TLE42644G - Infineon Technologies

Manufacturer Part Number

TLE42644G

Manufacturer

Infineon Technologies

Introduction

The TLE42644G is a Low Drop Out (LDO) regulator from Infineon's OPTIREG™ series, specifically designed for automotive applications, offering a fixed 5V output.

Product Features and Performance

Low Dropout Voltage: 0.5V @ 100mA

Stable 5V Output with 100mA current capability

Quiescent Current: 60 µA, saving power when idle

Supply Maximum Current: 4 mA

High PSRR: 68dB at 100Hz, ensures output voltage stability against supply noise

Operates over a wide input voltage range up to 40V

Integrated protection features: Over Current, Over Temperature, Reverse Polarity, Short Circuit

Product Advantages

High reliability in harsh automotive environments

Extended battery life due to low quiescent current

Capable of handling transient spikes up to 40V

Requires minimal external components for operation

Fully protected against common automotive-related faults

Key Technical Parameters

Output Configuration: Positive Fixed

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 5V

Voltage Dropout (Max): 0.5V @ 100mA

Current Output: 100mA

Current Quiescent (Iq): 60 µA

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

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Comprehensive protection mechanisms enhance system safety

Compatibility

Surface Mount TO-261-4, TO-261AA package compatible with standard PCB manufacturing processes

Application Areas

Automotive systems requiring regulated 5V

Power management circuits in vehicles

Electronic control units (ECUs), sensors, and actuators

Product Lifecycle

Obsolete status suggests it is nearing discontinuation. However, replacements or upgrades may be available from Infineon Technologies.

Several Key Reasons to Choose This Product

Robust performance suitable for demanding automotive environments

High Power Supply Rejection Ratio (PSRR) minimizes voltage fluctuations

Low dropout voltage enhances efficiency

Comprehensive protection features safeguard against automotive electrical issues

AEC-Q100 qualification assures quality and reliability for automotive applications