TLF50251EL
2.
2 MHz Step-Down
Regulator 500 mA, 5 V, low quiescent current
Data Sheet
Rev.
1.
0, 2013-06-19
Automotive Power
2.
2 MHz Step-Down
Regulator 500 mA, 5 V Low quiescent current TLF50251EL
TLF50251EL
1 Overview
• 500 mA step down voltage
regulator • 5 V Output voltage • ± 2% output voltage tolerance • Low quiescent current (less than 45µA at nominal battery voltage) • Integrated power
transistor • Current mode PWM regulation • PFM mode for light load current • Input voltage range from 4.
75V to 45V • 2.
2 MHz switching frequency • 100% Duty cycle • Synchronization input • Very low shutdown current consumption (2 µA) • Soft-start function • Reset generator • Input undervoltage lockou...