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RT8085A

6A, 700kHz 同步降压型 DC/DC 转换器

RT8085A
New

RT8085A是一款高效率的同步降压型 DC/DC 转换器，适合用于输入电压范围从2.95V至5.5V，最大输出电流6A 的应用。RT8085A提供高准确、体积小的低输出电压应用解决方案。可透过REFIN脚位动态调整输出电压。RT8085A在轻载时会自动从Conduction Mode (CCM)转换至Discontinuous Conduction Mode (DCM)藉此改善轻载效率。

应用

  • 负载点电压调节器
  • 笔记本电脑
  • 平板计算机
  • 便携设备

主要规格

RT8085A
Status NRND
Recommended Alternative  RT5789A/RT5789B
Vin (min) (V) 2.95
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.6
Vout (max) (V) 3.3
Output Adj. Method Ext Vref;Resistor
Iout (max) (A) 6
Current Limit (typ) (A) 9
Freq (typ) (kHz) 700
Ext Sync No
Ron_HS (typ) (mOhm) 38
Ron_LS (typ) (mOhm) 20
Iq (typ) (mA) 0.35
Features Current Mode Control;Diode Emulation Mode;OCP;OTP;OVP;PSM;Power Good;UVP
Package Type WDFN3x3-12

关键特性

  • REFIN外部输入参考电压

  • 低导通电组

  • 38mΩ 高侧MOSFET

  • 20mΩ 低侧MOSFET

  • 轻载时DCM模式操作

  • 支持MLCC电容

  • 700kHz操作频率

  • 讯号良好指示

  • 始能控制

  • 逐周期电流限制

  • 短路保护

  • 欠压闭锁

  • 过热保护

  • 符合RoHS规范与无卤特性

Videos

怎样使用简单工具对电源转换器的稳定性进行测试评估?

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