Microchip | MIC5253-2.6YC5-TR

The MIC5253-2.6YC5 TR is an efficient CMOS voltage regulator optimized for ultra-low-noise applications. It offers 1.5% initial accuracy, extremely low dropout voltage (165 mV at 100 mA), and low ground current (typically 95 µA at full load).

The MIC5253 provides a very low noise output, ideal for RF applications where a clean voltage source is required. A noise bypass pin is also available for further reduction of output noise. Designed specifically for handheld and battery-powered devices, the MIC5253 provides a TTL-logic-compatible enable pin. When disabled, power consumption drops nearly to zero. The MIC5253 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in handheld wireless devices. Available in the Teeny SC705 package, the MIC5253 offers a wide range of output voltages.

Features:

• Input voltage range:2.7 V to 5.5 V
• Teeny SC-70-5 package
• Ultra-low output noise:30 µV(rms)
• 100 mA continuous output current, 150 mA peak current
• Stability with ceramic output capacitors
• Ultralow dropout:165 mV @ 100 mA
• High output accuracy:
• 1.5% initial accuracy
• 3.0% over temperature
• Low ground current 95 µA
• TTL-Logic-controlled enable input
• "Zero" off-mode current
• Thermal shutdown and current limit protection

Applications:

• Cellular phones and pagers
• Cellular accessories
• Battery-powered equipment
• Laptop, notebook, and palmtop computers
• Consumer/personal electronics