TPS62020 - Texas Instruments

TPS62020 600mA/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER

The TPS6202x is a high efficiency synchronous step-down dc-dc converter optimized for battery powered portable applications. This device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. With an output voltage range from 6.0 V down to 0.7 V, the device supports low voltage DSPs and processors in PDAs.

Features

• Up to 95% Conversion Efficiency
• Typical Quiescent Current: 18 µA
• Load Current: 600 mA
• Operating Input Voltage Range: 2.5 V to 6.0 V
• Switching Frequency: 1.25 MHz
• Adjustable and Fixed Output Voltage
• Power Save Mode Operation at Light load Currents
• Active-Low MODE pin on TPS62021
• 100% Duty Cycle for Lowest Dropout
• Internal Softstart
• Dynamic Output Voltage Positioning
• Thermal Shutdown
• Short-Circuit Protection
• 10 Pin MSOP PowerPad™ Package
• 10 Pin QFN 3 X 3 mm Package DESCRIPTION The TPS6202x is a high efficiency synchronous step-down dc-dc converter optimized for bat.