Gate Drivers | NCP51820

高性能，650V半桥栅极驱动器，用于GaN电源开关

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NCP51820高速栅极驱动器用于满足在离线、半桥ZVS电源拓扑结构中驱动增强模式（e−mode）和栅极注入晶体管（GIT） GaN HEMT 电源开关的严格要求。NCP51820具有较短的匹配传播延迟，为上桥驱动器提供-3.5V至+650V（典型值）共模电压范围。为了完全保护GaN功率晶体管的栅极不会受到过大电压压力，两个驱动级均采用专用的稳压器来准确保持栅极源驱动信号幅度。NCP51820提供独立欠压锁定（UVLO）和IC高温关断等重要保护功能。

  • 软开关ZVS拓扑
  • 谐振转换器
  • 有源钳位反激式转换器
  • 桥式图腾柱PFC（仅限CrM模式）
  • OLED电视电源
  • 高功率游戏本适配器
  • 手机和笔记本电脑USB PD旅行适配器
  • 服务器/云端离线电源
  • 650V上/下桥栅极驱动器
  • 快速传播延迟最大50ns
  • 匹配传播延迟最大5ns
  • 所有SW和PGND参考电路的200V/ns dV/dt 额定值
  • 独立的拉/灌输出引脚
  • 稳压型5.2V栅极驱动器，上/下桥输出级配备独立的UVLO
  • QFN 4mm x 4mm 15引脚封装和优化的引脚布局

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NCP51820AMNTWG

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CAD Model

Pb

A

H

P

QFN-15

485FN

1

260

REEL

4000

Y

GaN

2

Half-Bridge

Junction Isolation

650

20

2

1.5

1

2

25

25

5

$0.874

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