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AIC1533

Triple-Output LCD Power Supply

FEATURES
  • One Low Dropout Linear Regulator
  • Dropout Voltage 500mV at 0.3A Output Current
  • Dual Adjustable Charge Pump
  • Up to +30V Positive Output
  • Down to -10V Negative Output
  • Power Up Sequencing and Adjustable Delay time
  • Power-Saving Shutdown Mode (0.1uA typical)
  • Operating Supply Voltage: 12V
  • 1MHz Operation Frequency
  • Internal Current Limit and Thermal Protection built in LDO part
  • Few External Components Required
APPLICATIONS
  • LCD Monitor Panel Module
  • LCD TV Panel Module
DESCRIPTION

AIC1533, composed of dual charge pumps and a regulator, provide three independent regulated voltages designed for using in thin-film transistor (TFT) liquid crystal display (LCD).
The main regulator has an adjustable output voltage and a low dropout voltage of 500mV at 300mA load current is performed.
The dual charge pumps independently regulate a positive output and a negative output. AIC1533 has thermal shutdown capability and survives a continuous short circuit from output to ground. A unique control scheme minimizes output ripple as well as output capacitance for both charge pump.
1MHz-switching frequency of AIC1533 provides a low noise, low cost total solution. The device operates up to 15V supply voltage and is available in SOP-14 and TSSOP-16 package

TYPICAL APPLICATION


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