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RT6212A/B 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。RT6212A/B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RT6212A/B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
RT6212A RT6212B
Status Active Active
Vin (min) (V) 4.5 4.5
Vin (max) (V) 18 18
Number of Outputs 1 1
Vout (min) (V) 0.765;0.8 0.765;0.8
Vout (max) (V) 6.5 6.5
Output Adj. Method Resistor Resistor
Iout (max) (A) 2 2
Current Limit (typ) (A) 3.3 3.3
Freq (typ) (kHz) 500 500
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;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Internal Compensation;OCP;OTP;OVP;PSM;Stable with Ceramic Capacitor;UVP ACOT Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Force PWM;Internal Compensation;OCP;OTP;OVP;Stable with Ceramic Capacitor;UVP
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
  • 500kHz 切换频率
  • ACOT Control
  • 0.8V ±1.5% 回授参考电压
  • 0.765V ±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
Reference Design
TitleLast UpdateDownload
立锜负载瞬变测试工具2018/11/01
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT6212AHGJ6FTSOT-26(FC)3,000 Request Digikey 5,706 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT6212AHRGJ6FTSOT-26(FC)3,000 Request Digikey 2,785 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT6212BHGJ6FTSOT-26(FC)3,000 Request Digikey 2,007 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT6212BHRGJ6FTSOT-26(FC)3,000 Request Digikey 2,953 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT6212AHGJ6F Digikey 4 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
库存实际状况请联系代理商或业务窗口
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