Description
The MAX1889 provides the three regulated output voltages required for active matrix, thin-film transistor liquid crystal displays (TFT LCDs).
Features
- o High-Performance Step-Up Regulator Fast Transient Response Current-Mode Control Architecture Built-In High-Efficiency N-Channel Power MOSFET Current-Limit Comparator >85% Efficiency Selectable Switching Frequency (500kHz/1MHz) Internal Soft-Start
o Positive Linear-Regulator Controller
o Negative Linear-Regulator Controller
o Triple-Level Protection Against Smoke or Fire Input Switch Replaces Input Fuse Output Overload Detection with Timer Latch Thermal Shutdown
o 2.7V to 5.5V Input Operating R.