The RT8100A is an advanced DC/DC synchronous buck PWM controller with several innovative functions for specific customer's ASIC only. The part features RichTek's innovative design and topology say "analogous current mode" for current sensing and full functions for various applications including adjustable soft start, free-run and adjustable operation frequency and enable; the part is with design of 12V+12V boot strapped driver which is capable to drive up to 20Amp output current; moreover the part is with implementation of accuracy DCR current sensing topology. There are several specific features implemented and reserved for the specific customer's special applications including dual VCORE control mode including tracking and stand-alone mode, and output current indication. The part is proposed with a small footprint of VQFN-16L 3x3 package.
Applications
- MB memory and chipset core power
- Middle-high graphic card GPU and memory core power
- General-purpose fields including server, NB, bare-bone and mini-system