LTC6992
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LTC6992

TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 72
1ku List Price Starting From $1.96
Features
  • 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
Additional Details
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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.

Applications

  • PWM Servo Loops
  • Heater Control
  • LED Dimming Control
  • High Vibration, High Acceleration Environments
  • Portable and Battery-Powered Equipment
Part Models 72
1ku List Price Starting From $1.96

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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