Description
AT1729 Preliminary 3-Channel PWM Controller for LCD Bias General .
The AT1729 is a PWM DC/DC converter control IC with 3 channel outputs that can directly drive power MOSFET.
Features
* Low input voltage: 2.5V to 7V
* 3-Channels PWM Control: 2 Boost Controller(CH1,CH2) 1 Inverting Controller (CH3)
* Adjustable Soft start time and maximum duty cycle
* Built-in timer latch for short circuit protection: Delay time=216/(Switching frequency)
* B
Applications
* LCD Displays Bias
* Power Supply for general equipment
Block Diagram
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R. O. C. Tel: 886-3-563-0878 WWW: http://www. aimtron. com. tw Fax: 886-3-563-0879 Email: service@aimtron. com. tw 1
AT1729
Preliminary