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SLVS844A
- SEPTEMBER 2008
- REVISED JUNE 2015
TPS65055 2.25-MHz Dual Step-Down Converter With 4 Low-Input Voltage LDOs
1 Features
- 1 Up to 95% Efficiency
- Output Current for DCDC Converters 2 × 0.6 A
- Two Selectable Fixed Output Voltages 1 V and
1.2 V for DCDC2
- VIN Range for DCDC Converters From 2.5 V to 6
- 2.25-MHz Fixed-Frequency Operation
- Power Save Mode at Light Load Current
- 180° Out-of-Phase Operation
- Output Voltage Accuracy in PWM Mode ±1%
- Low Ripple PFM Mode
- Total Typical 32-μA Quiescent Current for Both
DC-DC Converters
- 100% Duty Cycle for Lowest Dropout
- 2...