isl6726主要特性：
• precision maximum duty cycle and deadtime control
• 125μa typical start-up current
•adjustable peak and average current limit protection
•programmable oscillator frequency
•bi-directional synchronization with 180° phase shift for interleaved converter applications
•adjustable soft-start and selectable soft-stop
•selectable minimum duty cycle clamp for synchronous rectifier applications
•programmable slope compensation
•supports n- and p-channel active clamp fets
•programmable switch timing between main and active clamp outputs
•programmable undervoltage lock-out (uv)
•input voltage dependent duty cycle clamp
•enable input with low power disable
•internal over-temperature protection
•pb-free (rohs compliant)
isl6726应用：
• telecom and datacom power supplies
• ac/dc power supplies
• battery chargers
图1。isl6726方框图
图2。isl6726典型应用电路：同步整流有源箝位正向
图3。isl6726典型应用电路：二极管整流有源箝位正向
intersil公司的 isl6726是适用于有源箝位正向转换器拓扑的单端pwm控制器，典型起动电流125ua，可调整峰值和平均限流保护，可调整软起动和软停止，具有精密的最大占空比和死区控制，内置超温保护，主要用在通信电源，ac/dc转换器以及电池充电器。
