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TPS62730, TPS62732, TPS62733
SLVSAC3D – MAY 2011 – REVISED DECEMBER 2014
TPS6273x Step-Down Converter With Bypass Mode for Ultra Low-Power Wireless Applications
1 Features
•1 Input Voltage Range VIN From 1.9 V to 3.9 V • Typ. 30-nA Ultra Low-Power Bypass Mode • Typ. 25-μA DC-DC Quiescent Current • Internal Feedback Divider Disconnect • Typical 2.1-Ω Bypass Switch Between VIN and
VOUT • Automatic Transition from DC-DC to Bypass Mode • Up to 3-MHz Switch Frequency • Up to 95% DC-DC Efficiency • Open-Drain Status Output STAT • Output Peak Current up to 100 mA • Fixed Output Voltages 1.9 V, 2.05 V, 2.1 V, 2.3 V • Small External Output Filter Components 2.2 μH
and 2.