
Intersil
4-Channel Integrated LCD Supply
The ISL97650 represents a high power, integrated LCD supply IC targeted at large panel LCD displays. The
ISL97650 integrates a high power, 2.6A boost converter for AVDDgeneration, an integrated VONcharge pump, a VOFF charge pump driver, VONslicing circuitry and a buck regulator with 2A switch for logic generation.
FEATUREs
• 4V to 14V Input Supply
•AVDD Boost Up to 20V, withIntegrated 2.8A FET
• Integrated VON Charge Pump, Up to 35VOUT
•VOFF Charge Pump Driver, Down to -18V
•VLOGIC Buck Down to 1.2V, with Integrated 2A FET
• Automatic Start-up Sequencing
-AVDD-> VOFF-> VON or AVDD/VOFF-> VON
- Independent Logic Enable
• VON Slicing
• Thermally Enhanced 6x6 Thin QFN Package
• Pb-free (RoHS compliant)
Applications
• LCD Monitors (15”+)
• LCD-TVs (up to 40”)
• Notebook Displays (up to 16”)
• Industrial/Medical LCD Displays