TPS61030RSAR Datasheet

96% Efficient Synchronous Boost Converter With 4a Switch


The TPS6103x devices provide a power supply solution for products powered by either a one-cell Li-Ion or Li-polymer, or a two to three-cell alkaline, NiCd or NiMH battery. The converter generates a stable output voltage that is either adjusted by an external resistor divider or fixed internally on the chip. It provides high efficient power conversion and is capable of delivering output currents up to 1 A at 5 V at a supply voltage down to 1.8 V. The implemented boost converter is based on a fixed frequency, pulse-width- modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters Power Save mode to maintain a high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. It can also operate synchronized to an external clock signal that is applied to the SYNC pin. The maximum peak current in the boost switch is limited to a value of 4500 mA. TPS61030RSAR Features • 96% Efficient Synchronous Boost Converter With 1000-mA Output Current From 1.8-V Input• Device Quiescent Current: 20-µA (Typ)• Input Voltage Range: 1.8-V to 5.5-V• Fixed and Adjustable Output Voltage Options Up to 5.5-V• Power Save Mode for Improved Efficiency at Low Output Power• Low Battery Comparator• Low EMI-Converter (Integrated Antiringing Switch)• Load Disconnect During Shutdown• Over-Temperature Protection• Available in a Small 4 mm x 4 mm QFN-16 or in a TSSOP-16 Package TPS61030RSAR Applications All Single Cell Li or Dual Cell Battery OperatedProducts as MP-3 Player, PDAs, and OtherPortable Equipment


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