_
MAX17122
19-4951; Rev 1; 11/09
EVAALVUAAILTAIOBNLEKIT
Step-Up, Step-Down
Regulator, Gate-On Charge Pump, and Boost-Buck
Regulator for TV TFT LCD Display
General Description
The MAX17122 multiple-output power-supply IC generates all the supply rails for thin-film
transistor (TFT) liquidcrystal display (LCD) TV panels.
It can operate from 8V to 16.
5V input voltages and is optimized for LCD TV panel applications running directly from 12V regulated supplies.
It includes a 22V internal-switch step-down
regulator for digital logic, a 22V internal switch stepup
regulator to power the TFT source drivers, and a temper...