SY7066A SY7066 2A 3A同步升压芯片.pdf

Application Note: AN_SY7066/SY7066A 1.8V Minimum Input and 5. 5V Maximum Output 6A Peak Current Synchronous Boost with Output Disconnect General Description Features SY7066/SY7066A is a high efficiency synchronous • 1.8V Minimum input voltage boost regulator that converts down to 1.8V input and • Adjustable output voltage from 2.5V to 5. 5V up to 5.5V output voltage. It adopts NMOS for the • 6A peak current limit main switch and PMOS for the synchronous switch. It • Input under voltage lockout can disconnect the output from input during the • Load disconnect during shutdown shutdown mode. • Output over voltage protection • Input battery voltage monitor Ordering Information • Low RDS(ON) (main switch/synchronous switch) at 5.0V output: 20/40mohm SY7066 ( ) □□□□□□□□ □□□□□□ □□ • Automatic output discharge at shutdown: Temperature Code ο SY7066: Auto output discharge function Package Code ο SY7066A: No output discharge function Optional Spec Code • Compact package: QFN2x2-10 Ordering Number Package type Note SY7066QMC QFN2X2-10 Applications SY7066AQMC QFN2X2-10 • All Single Cell Li or Dual Cell