Analog Devices Inc. LTC4380低静态电流浪涌制动器
Analog Devices Inc. LTC4380低静态电流浪涌制动器具有8μA的低工作静态电流，可保护负载免遭高压瞬变的损坏。通过对一个外部N沟道MOSFET的栅极电压进行箝位来提供过压保护。这在过电压事件（如汽车负载突降）中将输出电压限制在一个安全数值。固定的栅极箝位电压可针对12V和24V/28V系统进行选择。对于任何电压高达72V的系统，则使用可调栅极箝位型号。还提供过电流保护功能。
特性
- 8μA operating quiescent current
- Withstands surge voltage up to the MOSFET limit
- 4V to 72V operating voltage range
- Overcurrent protection
- Selectable internal 31.5V/50V or adjustable gate clamp voltage
- Reverse input protection to -60V
- Adjustable turn-on threshold
- Adjustable fault timer with MOSFET stress acceleration
- Controls N-Channel MOSFET
- Latchoff and retry options
- Low retry duty cycle during faults
- 10-pin DFN (3mm × 3mm) and MSOP packages
应用
- Automotive/avionic/industrial surge protection
- Hot swap/live insertion
- High side switch for battery-powered systems
- Automotive load dump protection
Typical Application
发布日期: 2017-04-25
| 更新日期: 2022-03-11