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RT8025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400mA，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
RT8025
Status Active
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.5
Vout (max) (V) 5.5
Output Adj. Method Fixed;Resistor
Iout (max) (A) 0.4
Current Limit (typ) (A) 1.5
Freq (typ) (kHz) 1250
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 TSOT-25;SOT-25
关键特性
  • 2.5V 至5.5V输入电压范围
  • 可调输出电压范围 0.5V 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
  • 400mA 输出电流
  • 效率最高达95%
  • 不需外接萧特基二极管
  • 1.25MHz 定频PWM操作
  • 具有 SOT-23-5 与 TSOT-23-5 两种封装
  • 符合RoHS规范与无卤特性
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
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
RT8025GJ5TSOT-253,000 Request Digikey 1 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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