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AIC2385

1.5A Synchronous PWM/PSM Step-Down DC/DC Converter

Please contact with sales for details.
FEATURES
  • 2.5V to 5.5V Input Voltage Range
  • 1.5A Guaranteed Output Current
  • Up to 95% Efficiency
  • Low RDS(ON) Internal Switche: 280mΩ
  • No Schottky Diode Required
  • 100% Duty Cycle in Low Dropout Operation
  • Operating Frequency: 1.5MHz
  • Accurate Reference 0.6V Provides Low Output Voltages
APPLICATIONS
  • LCD TV
  • Multi-function Peripheral
  • Cellular Phones
  • CPU I/O Supplies
  • Cordless Phones
  • PDAs and Handy-Terminals
  • Battery-Operated Devices (1 Li-Ion or 3 NiMH/ NiCd)
DESCRIPTION
The AIC2385 is a low-noise, pulse-width-modulated (PWM), DC-DC step-down converter. The device is available in an adjustable version.
The device features an internal synchronous rectifier for high efficiency; it requires no external Schottky diode. The AIC2385 is ideally suited for Li-Ion battery applications. PWM/PSM mode extends battery life by switching to a pulse-skipping-modulated mode during light loads. Shutdown mode places the device in standby, reducing supply current to under 1μA.
Other features of the AIC2385 include high efficiency, low dropout voltage, short circuit protection, over temperature protection, and over voltage protection. It is available in SOT23-5 package.
TYPICAL APPLICATION


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