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MAX1749
SOT23 Vibrator Motor Driver

Allows Constant Vibration Force over the Battery Voltage Range


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Description
FULL DATA SHEET (PDF, 120kB)
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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.

Key Features   Applications/Uses
  • 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

    Key Specifications:   Linear Regulators
    Part Number Regulators per Pkg. Min. VIN (V) Max. VIN (V) Preset VOUT (V) Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) Typ. VDROPOUT@ Rated ILOAD (V) Rated ILOAD (mA) Max. ICC (µA) Low Battery/ Power Fail Output POK/ Reset Output Watchdog Reverse Battery Protection Package Operating Temp. Range (°C) Price**
    MAX1749  1 2.5 6.5 1.25 1.25 6.5 0.13 120 200 No No No Yes SOT-23/5 -40 to +85 $0.79 @ 1k
    See All Linear Regulators (141)
    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.

    Diagram
    MAX1749: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-1455; Rev 1; 1999-06-01
    This page last modified: 2007-06-04



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