RT8100A Datasheet | Richtek

Preliminary Synchronous buck PWM DC/DC with Dual Voltage Control Mode General Description 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. Features z z z z z z z Analogous Current Mode Design 2.5V to 12V Switching Source Power 0.8V to 3.3V Output Voltage Regulation Adjustable VIN Feed-Forward Ramp Slope Adjustable Operation Frequency Precise Core Voltage Regulation Precise DCR Current Sensing with High Quality Capacitor, X7R ± 1.5% System Accuracy Input Voltage : 12V and 5V Bias Enable Function RoHS pliant and 100% Lead (Pb)-Free Over Current Protection External Soft Start Setting Operation Frequency up to 1.0MHz Dual Mode Voltage Control `Tracking Mode `Stand-Alone Mode Output Current Indication 16-Lead VQFN Package z z z z z z z z Ordering Information RT8100A Package Type QV : VQFN-16L 3x3 (V-Type) Operating Temperature Range P : Pb Free with mercial Standard G : Green (Halogen Free with mercial Standard) z z Applications z z...