ISL85033

目录

绝对最大额定值...............................................................................................................................................................8

热信息...........................................................................................................................................................................8

推荐工作条件...............................................................................................................................................8

电气规格....................................................................................................................................................................8

详细说明........................................................................................................................................................................ 16

初始化操作................................................................................................................................................................... 16

上电复位和欠压锁定....................................................................................................................................................... 16

启用和Disable................................................................................................................................................................................................. 16

电源良好............................................................................................................................................................................................................. 16

输出电压Selection....................................................................................................................................................................................... 16

输出跟踪和Sequencing.................................................................................................................................................... 16

保护功能..........................................................................................................................................................................17

降压稳压器的过流保护.............................................................................................................................................................. 17

热过载保护................................................................................................................................................................................ 18

BOOT欠压保护............................................................................................................................................................................. 18

应用指南.................................................................................................................................................................... 18

工作频率.............................................................................................................................................................................................. 18

同步Control......................................................................................................................................................................................... 18

输出电感器Selection...................................................................................................................................................................................... 18

降压稳压器输出电容Selection....................................................................................................................................................... 18

当前共享配置.............................................................................................................................................................................. 19

输入电容的选择...................................................................................................................................................................................... 19

环路补偿设计.................................................................................................................................................................................. 19

理论Compensation........................................................................................................................................................................................ 20

PWM比较器的增益调频................................................................................................................................................................................... 20

功率级传递函数.......................................................................................................................................................................... 20

整流器的选择.................................................................................................................................................................................................. 21

功率降额Characteristics............................................................................................................................................................................ 22

布局的注意事项........................................................................................................................................................................................... 22

修订历史............................................................................................................................................................................... 24

Products............................................................................................................................................................................................ 24

封装外形图................................................................................................................................................................ 25

7

FN6676.4

2011年9月22日