Single-Channel Output

Specification For Download
LP3990H-Single Channel
600Output Current(mA):
1.2/1.5/1.8/2.5/2.8/3/3.3/3.6/5Output Voltage(V):
75Quiescent Current(uA):
2-6Input Voltage(V):
220@300Dropout Voltage(mV@mA)(typ):
Shutdown,High PSRRSpecial Features:
TDFN 1*1mmPackage:

300mA,Ultra-low noise, Small Package Ultra-Fast CMOS LDO Regulator

General Description

The LP3990 is designed for portable RF and wireless applications with demanding performance and space requirements. The LP3990 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. The LP3990 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The LP3990 consumes less than 0.01μA in shutdown mode and has fast turn-on time less than 50μs. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. It is available in the 1mm×1mm X2SON packages.


Portable Media Players/MP3 players
Cellular and Smart mobile phone
DSC Sensor
Wireless Card



Ultra-thin Package
2V- 5.5V Input Voltage Range
Low Dropout : 130mV @ 200mA
1.2V, 1.5V, 1.8V, 2.5V, 2.8V,3.0V,3.3V, 3.6Vand 5V Fixed
300mA Output Current, 450mA Peak Current
High PSSR:-75dB at 1KHz
< 0.01uA Standby Current When Shutdown
Available in 1mm×1mm X2SON Package
TTL-Logic-Controlled Shutdown Input
Ultra-Fast Response in Line/Load transient
Current Limiting and Thermal Shutdown Protection
Quick start-up (typically 50uS)

Marking Information


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