LP5951

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP5951 SNVS345G – JUNE 2006 – REVISED DECEMBER 2014 LP5951 Micropower, 150-mA Low-Dropout CMOS Voltage Regulator 1 Features 1 Input Voltage Range: 1.8 V to 5.5 V Output Voltage Range: 1.3 V to 3.7 V Excellent Line Transient Response: ±2 mV (typical) Excellent PSRR: –60 dB at 1 kHz typical Low Quiescent Current of 29 µA typical Small SC70-5 and SOT-23-5 Packages Fast Turnon Time of 30 µs typ. Typical < 1 nA Quiescent Current in Shutdown Ensured 150-mA Output Current Logic Controlled Enable 0.4 V/0.9 V Good Load Transient Response of 50 mVpp (typical) Thermal Overload and Short-Circuit Protection -40°C to 125°C Junction Temperature Range 2 Applications General Purpose 3 Description The LP5951 regulator is designed to meet the requirements of portable battery-powered systems providing a regulated output voltage and low quiescent current. When switched to shutdown mode via a logic signal at the Enable (EN) pin, the power consumption is reduced to virtually zero. The LP5951 is designed to be stable with small 1-µF ceramic capacitors. The device also features internal protection against short-circuit currents and overtemperature conditions. Performance is specified for a –40°C to 125°C temperature range. The device is available in fixed output voltages in the range of 1.3 V to 3.7 V. For availability, please contact your local TI sales office. Device Information(1) ...