LP38511-ADJ

LP38511-ADJ www.ti.com SNVS545D – JANUARY 2009 – REVISED APRIL 2013 LP38511-ADJ 800mA Fast-Transient Response Adjustable Low-Dropout Linear Voltage Regulator Check for Samples: LP38511-ADJ FEATURES 1 2 2.25V to 5.5V Input Voltage Range Adjustable Output Voltage Range of 0.5V to 3.3V 800mA Output Load Current ±2.0% Accuracy over Line, Load, and Full- Temperature Range from -40°C to +125°C Stable with Tiny 10 uF Ceramic Capacitors Enable Pin Typically Less than 1uA of Ground Pin Current with Enable Pin Low 25dB of PSRR at 100 kHz Over-Temperature and Over-Current Protection 8-Pin SO PowerPad and 5-Pin PFM Surface Mount Packages APPLICATIONS Digital Core ASICs, FPGAs, and DSPs Servers Routers and Switches Base Stations Storage Area Networks DDR2 Memory DESCRIPTION The LP38511-ADJ Fast-Transient Response LowDropout Voltage Regulator offers the highestperformance in meeting AC and DC accuracy requirements for powering Digital Cores. The LP38511-ADJ uses a proprietary control loop that enables extremely fast response to change in line conditions and load demands. Output Voltage DC accuracy is specified at 2.5% over line, load and full temperature range from -40°C to +125°C. The LP38511-ADJ is designed for inputs from the 2.5V, 3.3V, and 5.0V rail, is stable with 10 uF ceramic capacitors, and has an adjustable output voltage. The LP38511-ADJ provides excellent transient performance to meet the demand of high performance digital core ASICs, DSPs, a...