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RT6212C/RT6212D

2A, 18V, 800kHz, ACOT® 降压型转换器

RT6212C/RT6212D
New

RT6212C/D 为高效率的DC-DC单片式同步整流转换器，输入电压范围从4.5V至18V，输出电流至2A。RT6212C/D的采用的ACOT架构可增进瞬时响应的表现并固定操作频率。逐周期形式的限流机制可在输出短路时提供电路保护作用，缓启动机制则可消除启动瞬间的输入电流涌浪的问题。此外RT6212C/D提供输出低电压保护、输出过电流与过热关机保护功能。

应用

  • 机顶盒
  • 可携式电视
  • 路由器
  • DSL 解调器
  • LCD 电视

主要规格

RT6212C RT6212D
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) 5 5
Output Adj. Method Resistor Resistor
Iout (max) (A) 2 2
Current Limit (typ) (A) 3.3 3.3
Freq (typ) (kHz) 800 800
Ext Sync No No
Ron_HS (typ) (mOhm) 163 163
Ron_LS (typ) (mOhm) 86 86
Iq (typ) (mA) 0.5 0.5
Features ACOT Control;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP;PSM ACOT Control;COT Control;Cycle-by-Cycle Current Limit;Enable Input;Internal Compensation;OCP;OTP
Package Type TSOT-26(FC) TSOT-26(FC)

关键特性

  • 内部整合 163mΩ/86mΩ MOSFETs

  • 4.5V 至 18V 输入电压范围

  • 800kHz 切换频率

  • ACOT Control

  • 0.8V ±1.5% 回授参考电压

  • 内部启动到预偏置输出

  • 简便封装 : TSOT-23-6

  • 输入欠压锁定

  • 支持打嗝模式的过电流保护机制

Datasheet

DS6212CD-01.pdf

Datasheet

DS6212CD-01.pdf

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