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Reference Design
TPS62231-Q1, TPS622314-Q1
SLVSB63A – DECEMBER 2011 – REVISED MARCH 2016
TPS62231x-Q1 3-MHz Ultra-Small Step-Down Converter in 1 × 1.5 SON Package
1 Features
•1 Qualified for Automotive Applications • Up to 3.8-MHz Switch Frequency • Up to 94% Efficiency • Output Peak Current up to 500 mA • Excellent AC and Transient Load Regulation • High PSRR (up to 90 dB) • Small External Output-Filter Components 1 μH
and 4.7 μF • VIN range from 2.05 V to 6 V • Optimized Power Save Mode For Low Output-
Ripple Voltage • Forced PWM Mode Operation • Typical 22-μA Quiescent Current • 100% Duty Cycle for Lowest Dropout • Small 1 × 1.5 × 0.6-mm3 SON Package • 12-mm2 Minimum Solution Size • Supports 0.