ENGLISH 简体中文 日本語 한국어  

MAX865
紧凑的、双输出电荷泵

提供双极性输出,可理想用于空间受限应用


  快速浏览     技术文档     定购信息     更多信息     所有内容  
概述
完整的数据资料 (PDF, 90kB)
英文 Download this datasheet in PDF format下载

The MAX865 is a CMOS charge-pump DC-DC converter in an ultra-small µMAX® package. It produces positive and negative outputs from a single positive input, and requires only four capacitors. The charge pump first doubles the input voltage, then inverts the doubled voltage. The input voltage ranges from +1.5V to +6.0V.

The internal oscillator is guaranteed to be between 20kHz and 38kHz, keeping noise above the audio range while consuming minimal supply current. A 75Ω output impedance permits useful output currents up to 20mA.

The MAX865 comes in a 1.11mm-high, 8-pin µMAX package that occupies half the board area of a standard 8-pin SOIC. For a device with selectable frequencies and logic-controlled shutdown, refer to the MAX864 data sheet.

关键特性   应用/使用
  • 1.11mm-High µMAX Package
  • Compact: Circuit Fits in 0.08in2
  • Requires Only Four Capacitors
  • Dual Outputs (positive and negative)
  • +1.5V to +6.0V Input Voltage
  • 20kHz (min) Frequency (above the audio range)

 
  • 数据采集
  • LCD面板表
  • 低成本分割电源,用于低压系统
  • 无线手机中的低电压GaAsFET偏置
  • 用于模拟电路的降压电源
  • 3节镍基电池或1节Li+电池降压电源
  • VCO和GaAsFET电源

    Key Specifications:   Charge Pumps
    Part Number Topology VIN (min) (V) VIN (max) (V) Operating Current, ICC (max) (mA) Unadjusted VOUT (V) IOUT (typ) (A) Operating Frequency (kHz) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX865  Doubler
    Dual Output
    Inverter
    Unregulated
    1.75 6 1.05 ±2xVIN 0.018 24 Yes uMAX/8 16 -40 to +85 $1.30 @ 1k
    See All Charge Pumps (50)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    图表
    MAX865:典型工作电路
    典型工作电路

    没有找到你需要的产品吗?
  • 应用工程师帮助选型,下个工作日回复
  • 参数搜索 (English only)
  • 应用帮助
  •  快速浏览   技术文档   定购信息   更多信息  
     概述 
     关键特性 
     应用/使用 
     关键指标 
     图表 

     数据资料 
     应用笔记 
     设计指南 
     工程期刊 
     可靠性报告 
     软件/模型 
     评估板 

     价格与供货 
     样品 
     在线订购 
     封装信息 
     无铅信息 

     相关产品 
     注释、注解 
     评估板 

    参考文献: 19-0472; Rev. 1; 1997-05-01
    本页最后一次更新: 2008-07-14




             


          隐私权政策    法律声明

          © 2008 Maxim Integrated Products, Dallas Semiconductor版权所有


    ">