19-1788; Rev 0; 10/00
KIT ATION EVALU LE B A IL A AV
Triple Charge-Pump TFT LCD DC-DC Converter
General Description
MAX1747
Features
o Adjustable Outputs Up to +5.
5V Main High-Power Output Up to +35V Positive Charge-Pump Output Down to -35V Negative Charge-Pump Output o 200kHz to 2MHz Adjustable Switching Frequency o +2.
7V to +4.
5V Input Supply o Internal Power
MOSFETs o 0.
1µA Shutdown Current o Internal Soft-Start o Power-Ready Output o Internal Supply Sequencing o Fast Transient Response o Ultra-Thin Solution (No Inductors) o Thin TSSOP Package (1.
1mm max)
The MAX1747 triple charge-pump DC-DC converter provides the regulated
voltages required by active matrix thin-film transistor (TFT...