MIC5252 150 mA High PSRR, Low Noise Cap CMOS LDO Features General Description Input Voltage Range: 2.7V to 6.0V The MIC5252 is an efficient, precise CMOS voltage regulator optimized for ultra low-noise applications. It PSRR = 50 dB V + 0.3V O offers 1% initial accuracy, extremely low dropout Ultra-Low Output Noise: 30 V RMS voltage (135 mV at 150 mA) and low ground current Stability with Ceramic Output Capacitors (typically 90A). The MIC5252 provides a very Ultra-Low Dropout: 135 mV 150 mA low-noise output, ideal for RF applications where a High Output Accuracy: clean voltage source is required. The MIC5252 has a high PSRR even at low supply voltages, critical for - 1.0% Initial Accuracy battery operated electronics. A noise bypass pin is also - 2.0% over Temperature available for further reduction of output noise. Low Quiescent Current: 90A Designed specifically for handheld and battery- Tight Load and Line Regulation powered devices, the MIC5252 provides a TTL TTL Logic-Controlled Enable Input logic-compatible enable pin. When disabled, power Zero Off-Mode Current consumption drops nearly to zero. Thermal Shutdown and Current Limit Protection The MIC5252 also works with low-ESR ceramic capacitors, reducing the amount of board space Applications necessary for power applications, which is critical in Cellular Phones and Pagers handheld wireless devices. Cellular Accessories Key features include current limit, thermal shutdown, Battery-Powered Equipment faster transient response, and an active clamp to speed Laptop, Notebook, and Palmtop Computers up device turn-off. The MIC5252 is available in the Consumer/Personal Electronics 6-lead 2 mm 2 mm VDFN package and the 5-Lead SOT-23 package in a wide range of output voltages. Package Types MIC5252-x.xYM5 MIC5252-x.xYML 5-Lead SOT-23 6-Lead VDFN (Top View) (Top View) 2021 Microchip Technology Inc. DS20006579A-page 1MIC5252 Typical Application Circuits MIC5252-x.xYM5 Ultra-Low-Noise Regulator Application Functional Block Diagram DS20006579A-page 2 2021 Microchip Technology Inc.