TLF50251ELV50

TLF50251ELV50 2.2 MHz Step-Down Regulator 500 mA, 5 V, low quiescent current 1 Overview Features 500 mA step down voltage regulator 5 V Output voltage ±2% output voltage tolerance Low quiescent current (less than 45 µA at nominal battery voltage) Integrated power transistor Current mode PWM regulation PFM mode for light load current Input voltage range from 4.75 V to 45 V 2.2 MHz switching frequency 100% Duty cycle Synchronization input Very low shutdown current consumption (< 2 µA) Soft-start function Reset generator Input undervoltage lockout Suited for automotive applications: Tj = -40°C to 150°C Green Product (RoHS compliant) Potential applications Applications with a 5.0 V switching regulator as replacement for linear voltage regulator with low quiescent current, such as: – dashboard – engine management – braking – body – infotainment Data Sheet www.infineon.com 1 Rev. 1.1 2018-03-07 TLF50251ELV50 2.2 MHz Step-Down Regulator 500 mA, 5 V, low quiescent current Overview Product validation Qualified for automotive applications. Product Validation according to AEC-Q100/101. Description The TLF50251EL is a high frequency PWM step-down DC/DC converter with an integrated PMOS power switch, packaged in a small PG-SSOP-14 with exposed pad. The wide input voltage range from 4.75 V to 45 V makes the TLF50251EL suitable for a wide variety of applications. The device is designed to be used under harsh automotive environmental conditions. The s...