RT8015资料RT8015资料.pdf

RT8015 2A, 2MHz, Synchronous Step-Down Regulator General Description Features The RT8015 is a high efficiency synchronous, step-down l High Efficiency : Up to 95% DC/DC converter. Its input voltage range is from 2.6V to l Low RDS(ON) Internal Switches : 110mW 5.5V and provides an adj ustable regulated output voltage l Programmable Frequency : 300kHz to 2MHz from 0.8V to 5V while delivering up to 2A of output current. l No Schottky Diode Required l 0.8V Reference Allows Low Output Voltage The internal synchronous low on-resistance power l Forced Continuous Mode Operation switches increase efficiency and eliminate the need for l Low Dropout Operation : 100% Duty Cycle an external Schottky diode. Switching f requency is set l RoHS Compliant and 100% Lead (Pb)-Free by an external resistor or can be synchronized to an external clock. 100% duty cycle prov ides low dropout Applications operation extending battery life in portable systems. l Portable Instruments Current mode operation with external compensation allows the transient response to be optimized over a wide l Battery-Powered Equipment range of loads and output capacitors. l Notebook Computers l Distributed Power Systems RT8015 operation in forced continuous PW M Mode which