TLE4470G – Dual Low Dropout Voltage Regulator with Watchdog

Description

Technical specifications:

• Input voltage range: 5.5V to 45V
• Output voltages: 5V (VQ1: up to 450 mA, VQ2: up to 300 mA)
• Dropout voltage: < 0.5V at 300 mA
• Watchdog timer: Window mode with adjustable timing
• Reset output: Open-drain with delay capacitor
• Quiescent current: Low standby current consumption
• Protection: Overtemperature, reverse polarity, short-circuit
• Package type: PG-DSO-14
• Operating temperature: -40°C to +150°C
• Applications: Automotive ECUs, microcontroller supply, sensor modules, industrial automation

Product features:

• Dual voltage outputs: Provides 5V fixed outputs on both channels (VQ1 and VQ2).
• High output current: Up to 450 mA on main channel and 300 mA on second channel.
• Integrated watchdog timer: Monitors microcontroller activity for added system safety.
• Low dropout voltage: Ensures stable output with minimal input-to-output voltage difference.
• Reset output: Power-on reset functionality with adjustable delay time.
• Thermal shutdown and short-circuit protection: Ensures safe operation under fault conditions.