TPS7A5201RPSR is a 2A, low-noise, ultra-low dropout (LDO) linear regulator launched by Texas Instruments. It features a 12-pin VQFN-HR (2.2mm × 2.5mm) micro surface-mount package. This device is specifically designed for noise-sensitive high-speed communication, video, medical, and test measurement applications, and can provide a pure power supply for high-performance SerDes, ADC, DAC, and RF amplifiers and other loads.
Features ：
• Output current: Maximum 2A
• Input voltage range: 1.1V ~ 6.5V when using BIAS; 1.4V ~ 6.5V when not using BIAS
• Output voltage range: Adjustable, 0.8V ~ 5.2V (set by external resistor voltage divider)
• Low dropout: Maximum 65mV @ 2A (when using BIAS)
• Low noise: 4.4 µVRMS
• High PSRR: 44dB ~ 50dB (10kHz ~ 500kHz)
• High accuracy: 0.5% accuracy over the full temperature range (when using BIAS)
• Features: Enable control (Enable), Power Good indication (Power-Good, PG), Adjustable soft start, Overcurrent/Overtemperature/Undervoltage protection
• Wide operating temperature range: -40°C ~ +125°C
• Compact package: VQFN-HR-12 (2.2mm × 2.5mm)
• MSL level: Level-2 (1 year)
• Environmental compliance: Compliant with RoHS3 standard
Application：
• High-speed communication: Power supply for SerDes, FPGA, and DSP
• Precise data converter: Provides low-noise power for ADC and DAC
• Radio frequency system: Power supply for RF amplifiers to reduce phase noise and clock jitter
• Medical and test measurement equipment: Noise-sensitive imaging sensors and precision instruments
