TPS62200DBVR功能类型:降压型 TPS62200 采用 SOT-23 封装的可调节 300mA 95% 效率步降控制器
High-Efficiency Synchronous Step-Down synchronous step-down converters ideally suited for Converter With up to 95% Efficiency portable systems powered by 1-cell Li-Ion or 3-cell • 2.5-V to 6-V Input Voltage Range NiMH/NiCd batteries. The devices are also suitable to • Adjustable Output Voltage Range From 0.7 V to VI operate from a standard 3.3-V or 5-V voltage rail. • Fixed Output Voltage Options Available
Up to 300-mA Output Current and up to 300 mA output current, the devices are ideal to power low voltage DSPs and processors • 1-MHz Fixed-Frequency PWM Operation used in PDAs, pocket PCs, and smart phones. Under • Highest Efficiency Over Wide Load Current Range nominal load current, the devices operate with a fixed Due to Power Save Mode switching frequency of typically 1 MHz. At light load • 15-μA Typical Quiescent Current currents, the part enters the power save mode • Soft Start operation; the switching frequency is reduced and the quiescent current is typically only 15 μA; therefore, it • 100% Duty Cycle Low-Dropout Operation achieves the highest efficiency over the entire load • Dynamic Output-Voltage Positioning current range. The TPS6220x needs only three small • Available in a 5-Pin SOT23 Package external components. Together with the SOT23 package, a minimum system solution size is 2 Applications achieved. An advanced fast response voltage mode control scheme achieves superior line and load • PDAs and Pocket PCs regulation with small ceramic input and output • Cellular Phones and Smart Phones capacitors. • Low Power DSP Supplies Device Information(1) • Digital Camera
PART NUMBER PACKAGE BODY SIZE (NOM) • Portable Media Players TPS6220x SOT-23 (5) 2.90 mm × 1.60 mm
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TPS62200DBVR