RT8100

Preliminary RT8100 Synchronous buck PWM DC/DC with Dual Voltage Control Mode General Description The RT8100 is an advancedDC/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. Ordering Information RT8100 Package Type QV : VQFN-16L 3x3 (V-Type) Operating Temperature Range P : Pb Free with Commercial Standard Note : RichTek Pb-free products are : `RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. `Suitable for use in SnPb or Pb-free soldering processes. `100% matte tin (Sn) plating. Features z Analogous Current Mode Design z 2.5V to 12V Switching Source Power z 0.8V to 3.3V Output Voltage Regulation z Adjustable VIN Feed-Forward Ramp Slope z Adjustable Operation Frequency z Precis...