SY7088 高效率5V1A同步升压芯片.pdf

Application Note: SY7088 2.3V Minimum Input and 5.5V Maximum Output 3A Peak Current Synchronous Boost with Output Disconnect Preliminary Specification General Description Features SY7088 is a high efficiency synchronous boost • 2.3-5.0V input voltage range regulator that converts up to 5.5V output voltage. It • Adjustable output voltage from 2.5V to 5.5V adopts NMOS for the main switch and PMOS for the • Pseudo-constant frequency: 1MHz synchronous switch. It can disconnect the output from • 3A peak current limit input during the shutdown mode. • Input under voltage lockout • Load disconnect during shutdown Ordering Information • Output over voltage protection • Low RDS(ON) (main switch/synchronous switch) SY7088 □□( □□□□) □□ at 5.0V output: 70/100mohm □□ □□□□□□ Temperature Code • Compact package: DFN2x3-8 Package Code Optional Spec