| 型号： | LP3990-18QVF |
| 厂 商： | |
| 品牌/商标: | 微源半导体 |
| 产品类别： | 集成电路/IC- DC/DC电源芯片 |
| 联系人: | 颜先生/William |
| 电话： | 0755-82170220,21001680 |
微源 LP3990-18QVF 2.5V-5.5V低压差线性稳压器
Features
◆ Ultra-thin Package
◆ 2.5V- 5.5V Input Voltage Range
◆ Low Dropout : 240mV @ 300mA
◆ 1.2V, 1.5V, 1.8V, 2.5V, 2.8V,3.0V,3.3V and 5V Fixed
◆ 300mA Output Current, 450mA Peak Current
◆ High PSRR:-75dB at 1KHz
◆ 1uA Standby Current When Shutdown
◆ Available in 1mm×1mm TDFN-4 Package
◆ TTL-Logic-Controlled Shutdown Input
◆ Ultra-Fast Response in Line/Load transient
◆ Current Limiting and Thermal Shutdown Protection
◆ Quick start-up (typically 50uS)
Applications
◆ Portable Media Players/MP3 players
◆ Cellular and Smart mobile phone
◆ LCD
◆ DSC Sensor
◆ Wireless Card
