ISL78419ARZ-T Datasheet, PDF (18/20 Pages) Intersil Corporation – Integrated Automotive TFT-LCD Power Supply Regulator

ISL78419
EN
UVLO
VIN
tSS_VLOGIC
VLOGIC
PANEL NORMAL OPERATION
AVDD
VOFF
tSS_AVDD CONTROLLED BY VSS
UVLO
VON
VCOM
1.280V
VDIV
1.217V
CD2
1.222V
RESET
VDPM
1.215V
VGHM
GPM ENABLED WHEN BOTH
1) EN = HIGH AND
2) VDPM > 1.215V
VGHM OUTPUT TIED TO VGH WHEN VIN FALLS TO UVLO
FIGURE 20. ISL78419 POWER ON/OFF SEQUENCE
18
FN8292.2
January 24, 2014