Analog Devices Inc. Analog Devices ADuM3224/ADuM4224 隔离式精密半桥驱动器
Analog Devices ADuM3224/ADuM4224 隔离式精密半桥驱动器是 4A 隔离式半桥栅极驱动器，采用 ADI 公司的 iCoupler® 技术，提供独立且隔离的高侧和低侧输出。ADuM3224 能够提供 3000Vrms 隔离，采用窄体 16 引脚 SOIC 封装，ADuM4224 则提供 5000Vrms 隔离，采用宽体 16 引脚 SOIC 封装。这些隔离器件将高速 CMOS 与单芯片变压器技术融为一体，具有优于脉冲变压器和非隔离栅极驱动器组合等替代器件的卓越性能特征。
特性
- 4A peak output current
- Working voltage
- 565V peak High-side or low-side relative to input
- 1MHz maximum High frequency operation
- 3.3V to 5V CMOS input logic
- 4.5V to 18V output drive
- Secondary UVLO
- ADuM3224A/ADuM4224A UVLO at 4.1V VDDA/VDDB
- ADuM3224B/ADuM4224B UVLO at 6.9V VDDA/VDDB
- ADuM3224C/ADuM4224C UVLO at 10.5V VDDA/VDDB
- Precise timing characteristics
- 59ns maximum isolator and driver propagation delay
- 5ns maximum channel-to-channel matching
- CMOS input logic levels
- >25kV/μs High common-mode transient immunity
- Enhanced system-level ESD performance per IEC 61000-4-x
- 125°C High junction temperature operation
- Default low output
- Safety and regulatory approvals (pending)
- ADuM3224 narrow-body, 16-lead SOIC
- UL 1577 3000 Vrms input-to-output withstand voltage
- ADuM4224 wide-body, 16-lead SOIC
- UL 1577 5000 Vrms input-to-output withstand voltage
- ADuM3224 narrow-body, 16-lead SOIC
- Qualified for automotive applications
应用
- Switching power supplies
- Isolated IGBT/MOSFET gate drives
- Industrial inverters
Functional Block Diagram
发布日期: 2014-04-21
| 更新日期: 2022-03-11