AHV85111中文资料Self-Powered Single-Channel Isolated GaNFET Driver with Regulated Bipolar Output Drive数据手册Allegro规格书

描述 Description

The AHV85111 isolated gate driver is optimized for driving GaNFETs in multiple applications. An isolated dual positive/ negative output bias supply is integrated into the driver device, eliminating external gate drive auxiliary bias supply or high-side bootstrap. The bipolar output rails with adjustable and regulated positive rail improves dv/dt immunity, greatly simplifies the system design, and reduces EMI through reduced total common mode (CM) capacitance. It also allows the driving of a floating switch in any location in a switching power topology.

特性 Features

• Power-Thru integrated isolated bias
• No high-side bootstrap or external secondary-side bias
• Bipolar drive output, with adjustable regulated positive rail
• Regulated 3.3 V low power bias output
• 50 ns propagation delay, with excellent device-to-device matching of 5 ns
• Separate drive output pins: pull-up (2.8 Ω) and pull-down (1.0 Ω)