TPS61253 TPS61253YFFR Boost Switching Regulator IC

Features

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FEATURES

93% Efficiency at 3.5-MHz Operation

21-µA Quiescent Current in Standby Mode

37-µA Quiescent Current in Normal Operation

Wide VIN Range From 2.3 V to 5.5 V

VIN ≥ VOUT Operation

IOUT ≥ 800 mA at VOUT = 4.5 V, VIN ≥ 2.65 V

IOUT ≥ 1000 mA at VOUT = 5.0 V, VIN ≥ 3.3 V

IOUT ≥ 1500 mA (Peak) at VOUT = 5.0 V, VIN ≥ 3.3V

±2% Total DC Voltage Accuracy

Light-Load PFM Mode

Selectable Standby Mode or True Load

Disconnect During Shutdown

Thermal Shutdown and Overload Protection

Only Three Surface-Mount External Components Required

Total Solution Size < 25 mm2

9-Pin NanoFreeTM (CSP) Packaging

Applications

Cell Phones, Smart Phones

Mono and Stereo APA Applications

USB Charging Ports (5V)