TPS7A4701

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS7A4700, TPS7A4701 SBVS204F – JUNE 2012 – REVISED SEPTEMBER 2014 TPS7A470x 36-V, 1-A, 4-µVRMS, RF LDO Voltage Regulator 1 Features 1 Input Voltage Range: +3 V to +36 V Output Voltage Noise: 4 µVRMS (10 Hz, 100 kHz) Power-Supply Ripple Rejection: – 82 dB (100 Hz) – ≥ 55 dB (10 Hz, 10 MHz) Two Output Voltage Modes: – ANY-OUT™ Version (User-Programmable Output via PCB Layout): – No External Feedback Resistors or Feed- Forward Capacitors Required – Output Voltage Range: +1.4 V to +20.5 V – Adjustable Version (TPS7A4701 only): – Output Voltage Range: +1.4 V to +34 V Output Current: 1 A Dropout Voltage: 307 mV at 1 A CMOS Logic Level-Compatible Enable Pin Built-In Fixed Current Limit and Thermal Shutdown Available in High-Performance Thermal Package: 5-mm × 5-mm QFN Operating Temperature Range: –40°C to 125°C 2 Applications Voltage-Controlled Oscillators (VCO) Frequency Synthesizers Test and Measurement Instrumentation, Medical, and Audio RX, TX, and PA Circuitry Supply Rails for Operational Amplifiers, DACs, ADCs, and Other High-Precision Analog Circuitry Post DC-DC Converter Regulation and Ripple Filtering Base Stations and Telecom Infrastructure +12-V and +24-V Industrial Buses 3 Description The TPS7A47 is a family of positive voltage (+36 V), ultralow-noise (4 µVRMS) low-dropout linear regulators (LDO) capable of sourcing a 1-A load. The TPS7A4700 o...