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TPS61091

3.3V 輸出、500mA、效率為 96% 的升壓轉換器，20uA，QFN-16; ? Synchronous (96% Efficient) Boost Converter With 500-mA Output Current From 1.8-V Input\n? Available in a 16-Pin VQFN 4 × 4 Package\n? Device Quiescent Current: 20 μA (Typ)\n? Input Voltage Range: 1.8 V to 5.5 V\n? Adjustable Output Voltage Up to 5.5 V Fixed Output Voltage Options\n? Power Save Mode for Improved Efficiency at Low Output Power\n? Low Battery Comparator\n? Low EMI-Converter (Integrated Antiringing Switch)\n? Load Disconnect During Shutdown\n? Over-Temperature Protection;

The TPS6109x devices provide a power supply solution for products powered by either a one-cell Li-Ion or Li-Polymer, or a two-cell alkaline, NiCd or NiMH battery and required supply currents up to or higher than 1 A. 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 0.5 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. Boost switch and rectifier switch are connected internally to provide the lowest leakage inductance and best EMI behavior possible. The maximum peak current in the boost switch is limited to a value of 2500 mA.\n\nThe converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode.\n\nThe output voltage can be programmed by an external resistor divider or is fixed internally on the chip.\n\nThe device is packaged in a 16-pin VQFN 4-mm × 4-mm (16 RSA) package.

TPS61091

SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH

TPS61091RSA

SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH

TPS61091RSAR

SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH

TPS61091RSARG4

SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH

TPS61091RSAR

Package：16-VQFN 裸露焊盤；包裝：管件 功能：升壓 類別：集成電路（IC） 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器 描述：IC REG BOOST 3.3V 2A 16QFN

TPS61091RSAR

Package：16-VQFN 裸露焊盤；包裝：管件 功能：升壓 類別：集成電路（IC） DC DC 開關穩(wěn)壓器 描述：IC REG BOOST 3.3V 2A 16QFN