SOT23 Vibrator Motor Driver

Allows Constant Vibration Force over the Battery Voltage Range

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The MAX1749 allows for a constant vibration force while operating from a +2.5V to +6.5V input range and delivering up to 120mA. A PMOS pass transistor allows the 80µA supply current to remail independent of the load.

The output voltage can be adjusted from +1.25V to VIN with an external resistor-divider. When turned off (ON = low), the MAX1749 supply current drops to 1µA (max) to minimize battery drain. Other features include short-circuit protection, thermal shutdown protection, and reverse battery protection. The MAX1749 is available in a 5-pin SOT23 package.
MAX1749: Typical Operating Circuit MAX1749: Typical Operating Circuit Enlarge+

Key Features

  • Fixed 1.25V or Adjustable (1.25V to 6.5V) Output
  • Low Cost
  • Thermal Overload Protection
  • Output Current Limit
  • Reverse Battery Protection
  • Low 0.1nA Off Supply Current
  • Low 80µA Full-Load Supply Current


  • Pager Vibrator Motor Drivers
  • Wireless Handset Vibrator Motor Drivers

See parametric specs for Linear Regulators (134)

Part NumberVIN

Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX1749.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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