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AIC1731

300mA, Low Dropout Linear Regulator with Shutdown

FEATURES
  • Active Low Shutdown Control
  • Very Low Quiescent Current
  • Very Low Dropout Voltage of 470mV at 300mA Output Current (3.0V Output Version)
  • 1.3V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V Output Voltage
  • Short Circuit and Thermal Protection
  • ±2% Output Tolerance
  • Miniature Package: SOT23-5 and SOT89-5
APPLICATIONS
  • PDA
  • DSC
  • Notebook
  • Pagers
  • Personal Communiction Equipment
  • Cordless Telephones
  • Portable Consumer Equipment
  • Battery Powered Systems
DESCRIPTION
AIC1731 is a 300mA low noise, low dropout linear regulator, and is housed in small SOT23-5 package. The device is in the “ON” state when the pin is set to logic high level.
An internal P-MOSFET pass transistor is used to achieve 470mV low dropout voltage at 300mA load current. It offers high precision output voltage of ±2%. The quality of low quiescent current and low dropout voltage makes this device ideal for battery power applications.
The internal reverse bias protection eliminates the requirement for a reverse voltage protection diode. The high ripple rejection and low noise of AIC1731 provide enhanced performance for critical applications.
The noise bypass pin can be connected an external capacitor to reduce the output noise level.
TYPICAL APPLICATION


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