ADP3193A

目录

特点................................................. ............................................. 1

应用................................................. ...................................... 1

概述................................................ ......................... 1

功能框图............................................... ............... 1

修订历史................................................ ............................... 2

规格................................................. .................................... 3

绝对最大额定值............................................... ............. 5

ESD注意事项................................................ .................................. 5

引脚配置和功能说明............................. 6

典型性能特征............................................. 7

测试电路................................................ ....................................... 8

工作原理............................................... ......................... 9

启动时序.............................................. .......................... 9

相位检测序列............................................... ............ 9

主时钟频率............................................... ............. 10

输出电压差检测........................................ 10

输出电流检测............................................... ............. 10

电流控制模式和热平衡........................ 10

电压控制模式............................................... ................. 10

电流基准................................................ ...................... 11

快速增强型PWM模式.............................................. ........ 11

延时定时器................................................ ................................. 11

软启动................................................ ...................................... 11

限流，短路，和闭锁保护...... 11

动态VID ................................................ ............................. 12

电源就绪监测.............................................. ............. 12

输出短路器................................................ ......................... 12

输出使能和UVLO .............................................. .......... 13

应用信息................................................ ................ 19

设置时钟频率.............................................. ....... 19

软启动延迟时间.............................................. ................... 19

限流闭锁延迟时间.................................... 19

电感的选择................................................ ...................... 19

电流检测放大器............................................... ............. 20

电感器DCR温度补偿................................. 21

输出偏移................................................ .............................. 21

C

OUT

选择................................................. ............................ 22

功率MOSFET ................................................ ......................... 23

斜坡电阻的选择............................................... ............. 24

COMP引脚斜坡............................................... ........................ 24

限流设定点.............................................. ................ 24

反馈回路补偿设计.................................... 25

C

IN

选择和输入电流的di / dt减少.................. 26

分流电阻设计............................................... ................. 26

优化程序ADP3193A ............................................ 27

元件的布局和......................................... 29

外形尺寸................................................ ....................... 30

订购指南................................................ .......................... 30

修订历史

5月7日 - 修订版0 ：初始版

第0版|第32 2