TPS82673 - Texas Instruments

TPS82673 Step-Down Converter

The TPS8267x device is a complete 600mA, DC/DC step-down power supply intended for low-power applications. Included in the package are the switching regulator, inductor and input/output capacitors. No additional components are required to finish the design. The TPS8267x is based on a high-frequency synchronous step-down dc-dc converter optimized for battery-.

Features

•1 90% Efficiency at 5.5 MHz Operation
• 17μA Quiescent Current
• Wide VIN Range From 2.3 V to 4.8 V
• 5.5MHz Regulated Frequency Operation
• Spread Spectrum, PWM Frequency Dithering
• Best in Class Load and Line Transient
• ±2% Total DC Voltage Accuracy
• Automatic PFM/PWM Mode Switching
• Low Ripple Light-Load PFM Mode
• ≥35dB VIN PSRR (1kHz to 10kHz)
• Internal Soft Start, 120-µs Start-Up Time
• Integrated Active Power-Down Sequencing (Optional)
• Current Overload and Thermal Shutdown Protection
• Sub 1-mm Profile Solution
• Total Solution Size <6.7 mm2 2 Applications
• Cell Phones, Smart-P.