The TLE4278G is a low-dropout (LDO) voltage regulator manufactured by Infineon Technologies. Below are its key specifications, descriptions, and features:
Specifications:
- Input Voltage Range: 5.5V to 45V
- Output Voltage: 5V (fixed)
- Output Current: Up to 400mA
- Dropout Voltage: Typically 500mV at 400mA
- Accuracy: ±2% (over line, load, and temperature)
- Quiescent Current: Typically 40µA (low-power mode)
- Operating Temperature Range: -40°C to +150°C
- Package: PG-TO252-3 (DPAK)
Descriptions:
- The TLE4278G is a monolithic integrated LDO voltage regulator designed for automotive and industrial applications.
- It provides a stable 5V output with high accuracy and low quiescent current.
- Features reverse polarity protection, overcurrent protection, and thermal shutdown.
- Suitable for harsh environments due to its wide operating temperature range.
Features:
- Low Dropout Voltage: Ensures efficient regulation even with small input-output differentials.
- Low Quiescent Current: Optimized for energy-efficient applications.
- Protection Mechanisms:
- Reverse polarity protection
- Short-circuit protection
- Thermal overload protection
- Automotive Qualified: AEC-Q100 compliant for reliability in automotive systems.
- Stable with Low ESR Capacitors: Works reliably with ceramic output capacitors.
This regulator is commonly used in automotive ECUs, sensors, and industrial control systems requiring robust voltage regulation.
*(Note: Always refer to the official Infineon datasheet for detailed specifications and application guidelines.)*