ADP3193A
目录
Features...............................................................................................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................................................ ................ 18
设置时钟频率.............................................. ....... 18
软启动延迟时间.............................................. ................... 18
限流闭锁延迟时间..................................... 18
电感的选择................................................ ....................... 18
电流检测放大器............................................... ............. 19
电感器DCR温度补偿.................................. 20
输出偏移................................................ ............................... 20
C
OUT
Selection..............................................................................21
功率MOSFET ................................................ ......................... 22
斜坡电阻的选择............................................... ............. 23
COMP引脚斜坡............................................... ......................... 23
限流设定点.............................................. ................ 23
反馈回路补偿设计.................................... 24
C
IN
选择和输入电流的di / dt减少.................. 25
分流电阻设计............................................... ................. 25
优化程序ADP3193A ............................................ 26
元件的布局和.......................................... 27
外形尺寸................................................ ........................ 29
订购指南................................................ ........................... 29
修订历史
2月8日 - 版本1 :转换为安森美半导体
5月7日 - 修订版0 :初始版
修订版1 |第29页2 | www.onsemi.com