LTC6992HS6-2#WTRMPBF

Programmable Timers And Oscillators Overview

The LTC6992HS6-2#WTRMPBF is a silicon oscillator from the TimerBlox family, functioning as a voltage-controlled pulse width modulator. It generates PWM signals with frequencies ranging from 3.81Hz to 1MHz, configured via a single resistor (RSET) and an internal programmable divider (NDIV). The duty cycle is controlled by a 0V to 1V analog input on the MOD pin. This specific variant supports a duty cycle range of 5% to 95%. It operates on a single supply voltage between 2.25V and 5.5V, drawing approximately 115µA at 100kHz. The device features a CMOS output driver capable of sourcing or sinking 20mA and is housed in a TSOT-23-6 package.

Programmable Timers And Oscillators Feature Summary

• Voltage-controlled PWM with 0V to 1V analog input for duty cycle adjustment
• Frequency range of 3.81Hz to 1MHz set by a single external resistor
• Duty cycle limits of 5% minimum and 95% maximum
• Single supply operation from 2.25V to 5.5V with low power consumption

Programmable Timers And Oscillators Applications

• PWM servo loops
• Heater control systems
• LED dimming control
• Portable and battery-powered equipment

Programmable Timers And Oscillators Procurement Notes

Verify the automotive grade designation indicated by the #W suffix in the part number. Confirm the HS6 suffix corresponds to the high-temperature industrial range (-40°C to 125°C) and the S6 package type. Ensure the -2 suffix matches the required 5% to 95% duty cycle window for the specific design constraints.

Programmable Timers And Oscillators Selection Notes

Select this component when a fixed frequency oscillator with analog duty cycle control is required. The -2 suffix restricts the duty cycle to 5%-95%, preventing full off or full on states if that behavior is undesirable. Use the DIV pin to select frequency division ratios from 1 to 16384. For higher precision, utilize metal film resistors for RSET and ensure the MOD pin voltage remains within the linear control range.

Programmable Timers And Oscillators Part Context

This part belongs to the LTC6992-1/2/3/4 series, differentiated primarily by their minimum and maximum duty cycle limits. The LTC6992-2 specifically clamps the duty cycle between 5% and 95%. Other variants include the -1 (0%-100%), -3 (0%-95%), and -4 (5%-100%). The HS6 designation indicates the temperature grade and package style within this family.

Programmable Timers And Oscillators Replacement Considerations

Direct functional substitutes within the same family include LTC6992HS6-1#WTRMPBF, LTC6992HS6-3#WTRMPBF, and LTC6992HS6-4#WTRMPBF. Selection among these depends strictly on whether the application requires the 0%-100%, 5%-95%, 0%-95%, or 5%-100% duty cycle range respectively.