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Richtek

RT6200为高压输入的降压转换器,可支持输入电压范围从4.5V至36V,最大输出电流至0.6A。电流模式操作提供快速的瞬时响应与简易的回路稳定架构,此外并提供了逐周期形式的限流机制与热关断保护功能。RT6200采用SOT-23-6的封装规格。

应用

  • 分布式电源系统
  • 电池充电应用
  • 线性稳压器的前级稳压电源
  • WLED驱动器
主要规格
RT6200
Status Active
Vin (min) (V) 4.5
Vin (max) (V) 36
Number of Outputs 1
Vout (min) (V) 0.8
Vout (max) (V) 15
Output Adj. Method Resistor
Iout (max) (A) 0.6
Current Limit (typ) (A) 1.2
Freq (typ) (kHz) 1200
Ext Sync No
Ron_HS (typ) (mOhm) 350
Iq (typ) (mA) 0.55
Features Built-in Bootstrap Switch;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;OCP;Stable with Ceramic Capacitor
Package Type SOT-26
关键特性
  • 可操作输入电压范围:4.5V至36V
  • 可调输出电压范围:0.8V 至 15V
  • 输出电流0.6A
  • 0.35Ω内部功率级MOSFET 开关
  • 效率高达 95%
  • 恒定切换频率1.2MHz ( Duty < 90% )
  • 占空比可高达95%
  • 可采用低ESR的输出陶瓷电容达到输出稳定
  • 过热关机保护
  • 逐周期的过电流限制保护
Datasheet
TitleVersionLast UpdateDownload
RT6200: 0.6A, 36V, 1.2MHz降压型转换器V4.02015/04/29
Evaluation Boards
TitleLast UpdateDownload
RT6200GE Evaluation Board2017/09/28
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
RT6200GESOT-263,000 Request Digikey 3,401 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT6200GE Digikey 1 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
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