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MAX16945
30mA反相电荷泵,SOT23封装,适合对EMI要求苛刻的汽车应用

低EMI、通过汽车级认证的电荷泵,采用SOT封装,能够工作在105°C


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概述
完整的数据资料 (PDF, 172kB)
英文 Download this datasheet in PDF format下载

The MAX16945 ultra-small, monolithic, CMOS charge-pump voltage inverter accepts an input voltage ranging from +1.4V to +5.5V. This device features an ultra-low 12Ω output resistance, permitting loads of up to 30mA at +105°C with maximum efficiency. The MAX16945 operates at a frequency of 125kHz, allowing use of small external components. Its small external components, micropower shutdown mode, and wide temperature range make this device ideal for both automotive and industrial applications.

Oscillator control circuitry and four power MOSFET switches are included on-chip. The MAX16945 comes in a 6-pin SOT23 package and operates over -40°C to +105°C.

关键特性   应用/使用
  • +1.4V to +5.5V Input Voltage Range
  • 30mA Guaranteed Output Current at +105°C
  • Slew-Rate Limited to Reduce EMI
  • 0.1µA Logic-Controlled Shutdown
  • Low 12Ω Output Resistance
  • Startup Current Limited
  • 6-Pin SOT23 Package

 
  • 汽车及工业设备
  • GaAsFET偏置电源
  • 手持终端、PDA
  • 从+5V或+3.3V逻辑电源产生负电源
  • 小型LCD板

    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) Features Package Operating Temp. Range (°C)
    MAX16945  Inverter 1.4 5.5 1.7 -2xVIN 0.03 125
    Shutdown
    SOT-23/6 -40 to +105
    -55 to +125
    See All Charge Pumps (51)

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    参考文献: 19-4241; Rev. 0; 2008-09-10
    本页最后一次更新: 2008-09-10



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