ZHDU122 January   2026

 

  1.   1
  2.   说明
  3.   开始使用
  4.   特性
  5.   应用
  6.   6
  7. 1评估模块概述
    1. 1.1 简介
    2. 1.2 套件内容
    3. 1.3 规格
    4. 1.4 器件信息
  8. 2硬件连接器、测试点和选择开关说明
    1. 2.1 连接器说明
    2. 2.2 跳线说明
    3. 2.3 测试点说明
  9. 3实现结果
    1. 3.1 测试设置
    2. 3.2 测试程序
    3. 3.3 注意事项
    4. 3.4 测试数据和性能曲线
      1. 3.4.1 热性能
      2. 3.4.2 效率
      3. 3.4.3 稳态波形
      4. 3.4.4 阶跃负载响应
      5. 3.4.5 交流环路响应曲线
  10. 4硬件设计文件
    1. 4.1 原理图
    2. 4.2 电路板布局
    3. 4.3 物料清单
  11. 5其他信息
    1.     商标

3.4.4 阶跃负载响应

LM251772Q1EVM-PD 负载阶跃 (VIN = 12V，VOUT = 5V，IOUT = 1A–5A)图 3-26 负载阶跃 (VIN = 12V，VOUT = 5V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 12V，VOUT = 28V，IOUT = 1A–5A)图 3-28 负载阶跃 (VIN = 12V，VOUT = 28V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 20V，VOUT = 5V，IOUT = 1A–5A)图 3-30 负载阶跃 (VIN = 20V，VOUT = 5V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 20V，VOUT = 28V，IOUT = 1A–5A)图 3-32 负载阶跃 (VIN = 20V，VOUT = 28V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 12V，VOUT = 12V，IOUT = 1A–5A)图 3-27 负载阶跃 (VIN = 12V，VOUT = 12V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 12V，VOUT = 36V，IOUT = 1A–5A)图 3-29 负载阶跃 (VIN = 12V，VOUT = 36V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 20V，VOUT = 20V，IOUT = 1A–5A)图 3-31 负载阶跃 (VIN = 20V，VOUT = 20V，IOUT = 1A–5A)
LM251772Q1EVM-PD 负载阶跃 (VIN = 20V，VOUT = 48V，IOUT = 1A–5A)图 3-33 负载阶跃 (VIN = 20V，VOUT = 48V，IOUT = 1A–5A)