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