LTC6993IS6-4#TRMPBF

Multivibrators Overview

The LTC6993IS6-4#TRMPBF is a monostable multivibrator from the TimerBlox family, packaged in a 6-lead plastic TSOT-23. It features a programmable pulse width ranging from 1µs to 33.55 seconds, determined by an internal master oscillator and a divider setting (NDIV). The device operates on a single supply voltage between 2.25V and 5.5V with a typical idle supply current of 70µA at a 10µs pulse width. It is specified for industrial temperature ranges from –40°C to 85°C.

Multivibrators Feature Summary

• Configurable falling-edge trigger input with retrigger capability
• Programmable output pulse polarity via DIV pin voltage
• CMOS output driver capable of sourcing and sinking 20mA
• Single resistor configuration for precise pulse width setting

Multivibrators Applications

• Watchdog timer circuits
• Missing pulse detection systems
• Envelope detectors
• Frequency discriminators

Multivibrators Procurement Notes

Verify the specific suffix #TRMPBF indicates tape and reel packaging when ordering. Confirm the IS6 designation corresponds to the industrial temperature range and TSOT-23 package. Ensure compatibility with existing board layouts regarding the 6-lead footprint and pinout configuration before finalizing procurement.

Multivibrators Selection Notes

Select this variant for applications requiring falling-edge triggering and retrigger functionality. The IS6 package suits designs needing industrial temperature performance in a compact surface-mount form factor. Consider the NDIV settings and RSET values to achieve the required pulse duration within the specified accuracy limits.

Multivibrators Part Context

This component belongs to the LTC6993 series of silicon timing devices. It shares architectural similarities with other TimerBlox parts but is distinct in its monostable one-shot operation mode. The IS6 suffix denotes the specific temperature grade and physical package used in this part number.

Multivibrators Replacement Considerations

Direct substitutes include other LTC6993 variants with different trigger polarities or packages, such as LTC6993HS6-4#TRMPBF for higher temperature ranges. Verify electrical parameters and pin compatibility before substitution.

Multivibrators FAQ

How is the output pulse polarity controlled?

The polarity is determined by the DIVCODE value set via the DIV pin voltage. A POL bit of 0 produces positive pulses, while a POL bit of 1 produces negative pulses.

What is the function of the RETRIGGER feature in this model?

As an LTC6993-4 variant, it supports retriggering. Additional trigger signals received while the output is active will extend the pulse width until tOUT after the last trigger edge.