Professional IC Distribution & Technical Solutions

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.)*