300mA Low Dropout Linear Regulator with Shutdown
General Descriptions
The AP131 is a 300mA, fixed output voltage, low dropout linear regulator. The Device included pass
element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The device is ON when EN pin is set to logic high level.
Features
\- Input voltage range is up to 7V
\- Dropout voltage 400mV at 300mA output current
\- Guaranteed 300mA output current.
\- Internal Ron =1.5ΩPMOS draws no base current
\- Low quiescent current 50µA
\- Output voltage 2% accuracy, and 1.5V to 5V with 0.1V step
\- Active low shutdown function EN pin.
\- Fast transient response
\- Good load regulation
\- Current limit and thermal shutdown protection
\- SOT89-5L and SOT23-5L packages
Applications
\- Wireless Communication
\- Battery Powered device
\- CD-ROM, DVD, and LAN Card
\- PC peripheral