LP5900TLX-3.3

LP5900TLX-3.3 Description

The LP5900TLX-3.3 is a 150-mA Ultra-Low-Noise LDO for RF and Analog Circuits -Requires No Bypass Capacitor. Designed to meet the requirements of RF and analogue circuits, the LP5900 device provides low noise, high PSRR, low quiescent current, and low line transient response figures.

LP5900TLX-3.3 Features

• Input Voltage Range, 2.5 V to 5.5 V

• Output Voltage Range, 1.5 V to 4.5 V

• Stable with 0.47-μF Ceramic Input and Output Capacitors

• No Noise Bypass Capacitor Required

• Logic Controlled Enable

• Thermal-Overload and Short-Circuit Protection

• ?40°C to 125°C Junction Temperature Range for Operation

• Output Current, 150 mA

• Low Output Voltage Noise, 6.5 μV_RMS

• PSRR, 75 dB at 1 kHz

• Output Voltage Tolerance, ±2%

• Virtually Zero I_Q (Disabled), < 1 μA

• Very Low I_Q (Enabled), 25 μA

• Start-up Time, 150 μs

• Low Dropout, 80 mV Typ

LP5900TLX-3.3 Applications

• Cellular Phones

• PDA Handsets

• Wireless LAN Devices