MAX686 DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch

Maxim

Description

19-1327; Rev 1; 2/98 KIT ATION EVALU E L B A AVAIL DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch General .
____________________________Features o Internal 500mA, 28V N-Channel Switch (no external FET required) o Adjustable Output Voltage to +27.

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Datasheet Specifications

Part number: MAX686
Manufacturer: Maxim
File Size: 198.93 KB
Datasheet: MAX686_MaximIntegratedProducts.pdf
Description: DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch

Features

* o Internal 500mA, 28V N-Channel Switch (no external FET required) o Adjustable Output Voltage to +27.5V or -27.5V o 6-Bit DAC-Controlled Output Voltage o Up to 90% Efficiency o Small 16-Pin QSOP Package (Same size as 8-pin SO) o Power-OK Indicator o 65µA Quiescent Current o 1.5µA Shutdown Current o

Applications

* Positive or Negative LCD Bias Personal Digital Assistants Notebook Computers Portable Data-Collection Terminals Palmtop Computers Varactor Tuning Diode Bias VIN = 0.8V TO 27.5V Typical Operating Circuit 22µH MBR0530L VOUT VCC = 2.7V TO 5.5V 0.1µF R2 VCC VDD LX DACOUT LCDON R3 Pin Configuration T

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MAX686 DAC-Controlled Boost Inverter LCD Bias Supply with Internal Switch Maxim

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