TPS7A49

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS7A49 SBVS121E – AUGUST 2010 – REVISED MAY 2015 TPS7A49 36-V, 150-mA, Ultralow-Noise, Positive Linear Regulator 1 Features 1 Input Voltage Range: 3 V to 36 V Noise: – 12.7 μVRMS (20 Hz to 20 kHz) – 15.4 μVRMS (10 Hz to 100 kHz) Power-Supply Ripple Rejection: – 72 dB (120 Hz) – ≥ 52 dB (10 Hz to 400 kHz) Adjustable Output: 1.194 V to 33 V Output Current: 150 mA Dropout Voltage: 260 mV at 100 mA Stable with Ceramic Capacitors ≥ 2.2 μF CMOS Logic-Level-Compatible Enable Pin Fixed Current-Limit and Thermal Shutdown Protection Packages: 8-Pin HVSSOP PowerPAD™ and 3-mm × 3-mm VSON Operating Temperature Range: –40°C to 125°C 2 Applications Supply Rails for Op Amps, DACs, ADCs, and Other High-Precision Analog Circuitry Audio Post DC-DC Converter Regulation and Ripple Filtering Test and Measurement Rx, Tx, and PA Circuitry Industrial Instrumentation Base Stations and Telecom Infrastructure 3 Description The TPS7A49 series of devices are positive, highvoltage (36 V), ultralow-noise (15.4 μVRMS, 72-dB PSRR) linear regulators that can source a 150-mA load. These linear regulators include a CMOS logic-levelcompatible enable pin and capacitor-programmable soft-start function that allows for customized powermanagement schemes. Other available features include built-in current limit and thermal shutdown protection to safeguard the device and syste...