AGREE

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RT6211A/RT6211B

1.5A, 18V, 500kHz, ACOT® 同步 Buck 转换器

RT6211A/RT6211B
New

RT6211A/B 是输入电压范围为 4.5V~18V、可输出高达 1.5A 电流的全集成高效同步 Buck 转换器，采用 ACOT 控制架构，具有改善了的瞬态响应特性，工作频率基本固定。它具有逐周期电流限制保护以对抗输出端短路，有软启动消除启动过程中的冲击电流，还有输出欠压保护、过流保护和热关机保护特性。

应用

  • 机顶盒
  • 便携式 TV
  • AP 路由器
  • DSL Modem
  • LCD TV

主要规格

RT6211A RT6211B
Status Active Active
Vin (min) (V) 4.5 4.5
Vin (max) (V) 18 18
Number of Outputs 1 1
Vout (min) (V) 0.8 0.8
Vout (max) (V) 6.5 6.5
Output Adj. Method Resistor Resistor
Iout (max) (A) 1.5 1.5
Current Limit (typ) (A) 2.5 2.5
Freq (typ) (kHz) 520 520
Ext Sync No No
Ron_HS (typ) (mOhm) 230 230
Ron_LS (typ) (mOhm) 130 130
Iq (typ) (mA) 0.8 0.8
Features ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP;PSM;SCP;Stable with Ceramic Capacitor;UVP ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Force PWM;Internal Compensation;OCP;OTP;SCP;Stable with Ceramic Capacitor;UVP
Package Type SOT-26 SOT-26

关键特性

  • 集成 230mΩ/130mΩ MOSFET

  • 输入电压范围：4.5V~18V

  • 500kHz 工作频率

  • ACOT 控制架构

  • 0.8V ± 1.5% 参考电压

  • 内建从预偏置输出电压中启动功能

  • 紧凑的封装：SOT-23-6

  • 上/下桥过流保护，打嗝模式

  • VOUT范围：0.8V~6.5V

Application Notes

Datasheet

DS6211AB-07.pdf

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?

Datasheet

DS6211AB-07.pdf

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