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产品分类
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产品信息
微源半导体 LP3985-18B3F SOT23-3 300mA、超低噪声、小封装、超快CMOS LDO稳压器
General Description
The LP3985-18B3F is designed for portable RF and wireless applications with demanding performance and space requirements. The LP3985 performance is optimized for battery-powered systems to deliver ultra-low noise and low quiescent current.The LP3985 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The other features include ultra-low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. It is available in the 5-lead of SOT23-3and SOT89-3 packages.
Features
◆ Ultra-Low-Noise for RF Application
◆ 2.5V- 5.5V Input Voltage Range
◆ Low Dropout : 300mV @ 300mA
◆ 300mA Output Current
◆ High PSRR:-68dB at 1KHz
◆ 1uA Standby Current When Shutdown
◆ Available in SOT23-3/SOT89-3 Package
◆ TTL-Logic-Controlled Shutdown Input
◆ Ultra-Fast Response in Line/Load transient
◆ Current Limiting and Thermal Shutdown
◆ Protection
Applications
◆ Portable Media Players/MP3 players
◆ Cellular and Smart mobile phone
◆ LCD
◆ DSC Sensor
◆ Wireless Card
更多LP3985系列
LP3985-12B3F SOT23-3 3K/REEL
LP3985-12X3F SOT89-3 1K/REEL
LP3985-15B3F SOT23-3 3K/REEL
LP3985-15X3F SOT89-3 1K/REEL
LP3985-18B3F SOT23-3 3K/REEL
LP3985-18X3F SOT89-3 1K/REEL
LP3985-25B3F SOT23-3 3K/REEL
LP3985-25X3F SOT89-3 1K/REEL
LP3985-28B3F SOT23-3 3K/REEL
LP3985-28X3F SOT89-3 1K/REEL
LP3985-30B3F SOT23-3 3K/REEL
LP3985-30X3F SOT89-3 1K/REEL
LP3985-33B3F SOT23-3 3K/REEL
LP3985-33X3F SOT89-3 1K/REEL
LP3985-36B3F SOT23-3 3K/REEL
LP3985-36X3F SOT89-3 1K/REEL
LP3985-18B3F产品规格书（部分）
