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Richtek

RT8008为高效率,脉波宽度调变(PWM)的降压型 DC/DC 转换器,在可输入范围2.5V 至5.5V,输出电流可达600mA,适用于由单一锂电池供电的可携式电子装置,例如移动电话、PDA等掌上型装置。由于内建低RDS(ON)

应用

  • Cellular Telephones
  • Personal Information Appliances
  • Wireless and DSL Modems
  • MP3 Players
  • Portable Instruments
主要规格
RT8008
Status Active
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.6
Vout (max) (V) 5.5
Output Adj. Method Fixed;Resistor
Iout (max) (A) 0.6
Current Limit (typ) (A) 1.5
Freq (typ) (kHz) 1500
Ext Sync No
Ron_HS (typ) (mOhm) 300
Ron_LS (typ) (mOhm) 250
Iq (typ) (mA) 0.05
Features 100% Duty Cycle;Current Mode Control;Enable Input;Internal Compensation;OCP;OTP;PSM;Stable with Ceramic Capacitor
Package Type SOT-25;TSOT-25
关键特性
  • 2.5V 至5.5V输入电压范围
  • 可调输出电压范围 0.6V 至VIN
  • 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V 与3.3V 的 恒定/可调 输出电压
  • 600mA 输出电流,1A峰值电流
  • 效率最高达95%
  • 不需外接萧特基二极管
  • 1.5MHz 定频PWM操作
  • 具有 SOT-23-5 与 TSOT-23-5 两种封装
  • 符合RoHS规范与100%的引脚无铅特性
Datasheet
TitleLast UpdateDownload
600mA, 1.5MHz 同步降压型 DC/DC 转换器2011/10/05
Additional Documents
Title Last Update ShareDownload
Power Management Components for Lithium-Ion Battery Powered Applications
鋰離子電池電源管理IC選擇指南
2020/12/07
Evaluation Boards
TitleLast UpdateDownload
RT8008GB Evaluation Board2015/05/15
Reference Design
TitleLast UpdateDownload
立锜负载瞬变测试工具2018/11/01
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT8008-33GBSOT-253000 Request Buy from Distributor
RT8008GBSOT-253000 Request Buy from Distributor
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