TPS65270RGER
4.5 V至18 V的输入电压, 2 -A / 3 -A的输出电流,集成MOSFET双路同步降压稳压器 4.5-V TO 18-V INPUT VOLTAGE, 2-A/3-A OUTPUT CURRENT, DUAL SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET
DESCRIPON/ORDERING INFORMATION
The TPS65270 is a monolithic dual synchronous buck regulator with wide operating input voltage that can operate in 5-, 9-, 12- or 15-V bus voltages and battery chemistries. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application.
FEATURES
• Wide Input Supply Voltage Range 4.5 V - 18 V
• 0.8 V, ±1% Accuracy Reference
• Up to 2-A Buck 1 and 3-A Buck 2 Maximum Continuous Output Loading Current
• Low Power Pulse Skipping Mode to Achieve High Light Load Efficiency
• Adjustable Switching Frequency 300 kHz - 1.4 MHz Set by External Resistor
• Dedicated Enable and Soft-Start for Each Buck
• Peak Current-Mode Control with Simple Compensation Circuit
• Cycle-by-Cycle Over Current Protection
• 180° Out-of-Phase Operation to Reduce Input Capacitance and Power Supply Induced Noise
• Available in 24-Lead Thermally Enhanced HTSSOP PWP and QFN 4-mm x 4-mm RGE Packages
APPLICATIONS
• DTV
• DSL Modems
• Cable Modems
• Set Top Boxes
• Car DVD Players
• Home Gateway and Access Point Networks
• Wireless Routers