特点
High-Speed Top and Bottom Gate Drivers for
2-Switch Forward Converter
On-Chip Rectifier and Self-Starting Architecture
Eliminate Need for Separate Gate Drive Bias Supply
Wide Input Voltage Supply Range: 18V to 80V
Tolerant of 100V Input Voltage Transients
Linear Regulator Controller for Fast Start-Up
Precision UVLO with Adjustable Hysteresis
Overcurrent Protection
Volt-Second Limit Prevents Transformer Core Saturation
Voltage Feedforward for Fast Transient Response
Available in 16-Lead Narrow SSOP Package
典型应用
描述
Alternatively, the LTC3705 can be used as a standalone voltage mode controller in a primary-side control architecture with optoisolator feedback. Voltage feedforward provides excellent line regulation and transient response.