Features and Benefits

  • Pulse Width Modulation (PWM) Controlled by Simple 0V to 1V Analog Input
  • Four Available Options Define Duty Cycle Limits
    • Minimum Duty Cycle at 0% or 5%
    • Maximum Duty Cycle at 95% or 100%
  • Frequency Range: 3.81Hz to 1MHz
  • Configured with 1 to 3 Resistors
  • <1.7% Maximum Frequency Error
  • PWM Duty Cycle Error < 3.7% Maximum
  • Frequency Modulation (VCO) Capability
  • 2.25V to 5.5V Single Supply Operation
  • 115μA Supply Current at 100kHz
  • 500μs Start-Up Time
  • CMOS Output Driver Sources/Sinks 20mA
  • –55°C to 125°C Operating Temperature Range
  • Available in Low Profile (1mm) SOT-23 (ThinSOT) and 2mm × 3mm DFN
  • AEC-Q100 Qualified for Automotive Applications

Product Details

The LTC6992 is a silicon oscillator with an easy-to-use analog voltage-controlled pulse width modulation (PWM) capability. The LTC6992 is part of the TimerBlox® family of versatile silicon timing devices.

A single resistor, RSET, programs the LTC6992’s internal master oscillator frequency. The output frequency is determined by this master oscillator and an internal frequency divider, NDIV, programmable to eight settings from 1 to 16384.

Applying a voltage between 0V and 1V on the MOD pin sets the duty cycle.

The four versions differ in their minimum/maximum duty cycle. Note that a minimum duty cycle limit of 0% or maximum duty cycle limit of 100% allows oscillations to stop at the extreme duty cycle settings.


  • PWM Servo Loops
  • Heater Control
  • LED Dimming Control
  • High Vibration, High Acceleration Environments
  • Portable and Battery-Powered Equipment

Product Categories

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (6)

Documentation & Resources

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  • 3rd Party Solutions (1)
  • Data Sheets (1)
  • Reliability Data (1)
  • User Guides (1)
  • Product Selector Card (1)
  • Solutions Bulletins & Brochures (1)
  • Videos (1)
  • Application Notes (1)
  • Press Releases (1)
  • Technical Articles (4)
  • Rarely Asked Questions (1)
  • Tools & Simulations


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    LTC6992-1 Companion Parts

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