概览

优势和特点

  • 0.5V to 5.5V Input Voltage (VOUT > VIN + 0.2V)
  • 1.8V Minimum Start-Up Voltage
  • 2.5V to 5.5V (In 100mV Steps) Output Voltage
  • 3.6A Cycle-by-Cycle Inductor Current Limit
  • 512nA IQ Supply Current into the Output
  • True-Shutdown Mode
    • 7nA Shutdown Current
    • Output Disconnects from Input with no Forward or Reverse Current
  • Output Short-Circuit Protection
  • Thermal-Shutdown Protection
  • 95% Peak Efficiency with 90% or Higher Efficiency for Load > 20μA
  • 1.07mm x 1.57mm, 0.5mm Pitch 6-Bump WLP
  • -40°C to +125°C Operating Temperature Range

产品详情

The MAX18000 is a nanoPower boost converter with an input voltage range of 0.5V to 5.5V (VOUT > VIN + 0.2V) and a switching current limit of 3.6A. It features an ultralow quiescent current of 512nA which makes it ideal for battery-powered applications requiring a long standby time. The IC operates in nanoPower mode at low loads and transitions into skip and CCM modes of operation at higher load currents to ensure high efficiency over a wide current range.

The output voltage can be varied between 2.5V and 5.5V using a single RSEL resistor.

The IC features a True Shutdown™ mode, which disconnects VIN and VOUT when the EN pin is pulled low. It also features short-circuit protection circuitry that limits the current to 700mA when VOUT < 0.5V and automatically restarts the part when the fault is removed. The thermal-shutdown protection disables the part when the junction temperature crosses +165°C (typ).

The IC is available in 1.07mm x 1.57mm, 6-bump waferlevel package (WLP).

APPLICATIONS

  • Wearable Applications
  • IoT Applications
  • Battery-Powered Applications
  • Portable Devices
  • Metering Applications

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