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RT6220DH

6A, 23V, 500kHz, ACOT® 同步 Buck 转换器

RT6220DH
New

RT6220DH是采用ACOTTM控制架构的同步 Buck 转换器，无需使用外部补偿组件即可拥有极快的瞬态回应特性。其输入电压范围为4.5V至23V，具有过流保护、欠压保护和过压保护等完整的保护特性，还有1.5ms软启动时间和开漏Power Good输出。

应用

  • 笔记本电脑
  • 平板计算机
  • 网通系统
  • 服务器
  • PVR
  • 平板电视和监视器
  • 分布式电源系统

主要规格

RT6220D
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 23
Number of Outputs 1
Vout (min) (V) 0.6
Vout (max) (V) 5
Output Adj. Method Resistor
Iout (max) (A) 6
Current Limit (typ) (A) 9.5
Freq (typ) (kHz) 500
Ext Sync No
Ron_HS (typ) (mOhm) 31
Ron_LS (typ) (mOhm) 20
Iq (typ) (mA) 0.11
Features ACOT Control;Built-in Bootstrap Switch;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Force PWM;Internal Compensation;OCP;OTP;OVP;Power Good;SCP;Stable with Ceramic Capacitor;UVP
Package Type UQFN3x3-16(FC)

关键特性

  • 输入电压范围：4.5V至23V

  • 输出电压可调范围： 0.6V至5V

  • 500kHz切换频率

  • ACOTTM 控制架构，具有超快瞬态响应

  • 整合MOSFET
    ► 上桥31mΩ
    ► 下桥 20mΩ

  • 支持MLCC为输出电容

  • 内置软启动 (1.5ms典型值)

  • 内建 OVP/UVP/OCP

  • Power Good指示

  • 过热关机保护

Application Notes

Datasheet

DS6220DH-00.pdf

Datasheet

DS6220DH-00.pdf

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