LP2992 - Texas Instruments

LP2992 Micropower 250-mA Low-Noise Ultra-Low-Dropout Regulator

The LP2992 is a 250-mA, fixed-output voltage regulator designed to provide ultra-low dropout and low noise in battery-powered applications. Using an optimized vertically integrated PNP (VIP) process, the LP2992 delivers unequaled performance in all specifications critical to battery-powered designs: • Dropout voltage: Typically 450 mV at 250-mA load, and 5 m.

Features

•1 Input Voltage Range: 2.2 V to 16 V
• Output Voltage Range: 1.5 V to 5 V
• Wide Supply Voltage Range (16-V Maximum)
• Output Voltage Accuracy 1% (A Grade)
• Ultra-Low-Dropout Voltage
• Specified 250-mA Output Current
• Stable With Low-ESR Output Capacitor
• < 1-µA Quiescent Current When Shut Down
• Low Ground Pin Current at All Loads
• High Peak Current Capability
• Low ZOUT: 0.3-Ω Typical (10 Hz to 1 MHz)
• Overtemperature and Overcurrent Protection
• −40°C to +125°C Junction Temperature Range
• Smallest Possible Size (SOT-23, WSON Package)
• Requires Minimum External Components
• Custom Vo.