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概述
The LP3987H is designed for portable RF and wireless applications with demanding performance and space requirements. The LP3987H performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life.The LP3987H also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices.The LP3987H consumes less than 0.01µA in shutdown mode and has fast turn-on time less than 20µs. 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 SOT23-5 packages.
应用
◆Portable Media Players/MP3 players
◆Cellular and Smart mobile phone
◆Sensor Module, RF Module
数据参数
数据参数
输出电流(mA)
600
输出电压(V)
1.2/1.5/1.8/2.5/2.8/3/3.3
输入电压(V)
2.5-6.0
电源抑制比(dB)
-65
精度(%)
3
导通压差(mV/mA)
360 @ 600
静态电流(uA)
90
特点
High PSRR,Large current
封装
SOT23-5
特征
特征
◆Ultra-Low-Noise for RF Application
◆2.5V~6.0V Input Voltage Range
◆Low Dropout: 360mV @ 600mA
◆High PSRR: -65dB at 1KHz
◆<0.01uA Standby Current When Shutdown
◆Ultra-Fast Response in Line/Load transient
◆Current Limiting and Thermal Shutdown Protection
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