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SP6641AEK-L-3-3/TR 开关稳压器
SP6641AEK-L-3-3/TR
MaxLinear
Switching Voltage Regulators
220 mA
-40 ℃
85 ℃
相关产品
产品信息
SP6641AEK-L-3-3/TR
500mA Alkaline DC/DC Boost Regulator in SOT-23 开关稳压器 100mA Alkaline DC/DC
DESCRIPTION SP6641AEK-L-3-3/TR
The SP6641AEK-L-3-3/TR SP6641 is an ultra-low quiescent current, high efficiency, DC-DC boost converter designed for single and dual cell alkaline, or Li-ion battery applications found in PDA’s, MP3 players, and other handheld portable devices. The SP6641 features a 10μA quiescent current, a 0.3Ω Nchannel charging switch, 0.9V input startup, and a 0.33A or 1.0A inductor current limiting feature. The SP6641 is offered in a 5 pin SOT-23 package and provides an extremely small power supply footprint optimized for portable applications. The SP6641 is preset to 3.3V and can be controlled by a 1nA active LOW shutdown pin.
■ Ultra Low Quiescent Current: 10μA
■ Wide Input Voltage Range: 0.9V to 4.5V
■ 90mA IOUT at 1.3V Input (SP6641A-3.3V)
■ 500mA IOUT at 2.6V Input (SP6641B-3.3V)
■ 100mA IOUT at 2.0V Input (SP6641A-5.0V)
■ 500mA IOUT at 3.3V Input (SP6641B-5.0V)
■ Fixed 3.3V or 5.0V Output Voltage
■ Up to 87% Efficiency
■ 0.3Ω NFET RDSon
■ Startup Voltage Guaranteed at 0.9V
■ 0.33A Inductor Current Limit (SP6641A)
■ 1A Inductor Current Limit (SP6641B)
■ Logic Shutdown Control
■ SOT-23-5 Package
APPLICATIONS SP6641AEK-L-3-3/TR
■ PDA's
■ DSC's
■ CD/MP3 Players
■ Pagers
■ Digital Cameras
■ Portable Handheld Medical Devices