LMC2626 - National Semiconductor

LMC2626 CMOS LDOR/Buffer Chip for Row Inversion Flat Panel Display Systems

The LMC2626 integrated circuit is specifically developed for a row inversion TFT FPD system architecture It is designed only to be used in conjunction with National’s LM2625 switching regulator chip Built on National’s advanced CMOS CS80 process this chip generates a high-power precision square-wave from a digital sync signal The chip also contains thermal s.

Features

Y Y Y Y Y Y Y Y Y Used in conjunction with LM2625 chip High output current buffer Low buffer on resistance System shutdown control LDO voltage regulator LDOR dropout 0 3V maximum at 150 mA Thermal shutdown short circuit protection External reference required for LDOR VREF pin converts to a digital pin to shutdown LM2625 Connection Diagram 8-Pin SO Pin Description Pin 1 2 3 4 5 6 7 8 Pin Name VREF SD SYNC GND P5V VOUT VIN VSH Description 1 218V to 1 242V Ext Reference from LM2625 (see Note 8) System Shutdown input pin for LMC2626 and LMC2625 Digital input square wave from FPD controller G.