TCR3DM13,LF Integrated Circuits (ICs)

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Linear voltage regulators are one of the more common types ofpower management integrated circuit (PMIC). In particular, the TCR3DM13,LFapplication field and working principle stand out for its highly efficientregulation of voltage on all types of electronics. Knowing how the TCR3DM13,LFoperates allows engineers to pick the correct part for their projects.

Overview

The TCR3DM13,LF is an adjustable linear voltage regulator with an adjustable outputrange of 1.25-V to 37 V and an input voltage range of 4.5-V to 60 V. Itfeatures a level shift circuit that gives the ability to easily control anexternal MOSFET on the same power rail. This is great for applicationswhere the bias voltage is adjustable and helps reduce the totalcomponent count needed. The part has an output current range (bothcontinuous and peak) of up to 1A. It also features short-circuitprotection, overtemperature protection, and current limiting.

Applications

The TCR3DM13,LF is ideal for a wide range of applications in industrial, automotive,consumer, and other environments. Its adjustable output and level-shiftcircuit make it a great choice for systems that require both avariable voltage, as well as an adjustable PWM signal for controllingswitched-on and off power rails. The part is also well suited forapplications such as motor control, DC-DC conversions, and powersupplies. Additionally, it’s very useful for low-noise, low-voltageregulation, such as in home appliances, digital cameras, cell phones,laptops, and many other electronic devices that are constantlychanging their power requirements.

Working Principle

The TCR3DM13,LF follows a basic linear regulator topology. An internalcomparator monitors the voltage at the output and adjusts the drivecurrent on the pass device to maintain the desired output voltage.An internal bandgap reference sets the output voltage, while anadjustable transconductance amplifier increases or decreases theamount of current going to the pass device to correct for anyvariation in output. The power enable pin sets the device inshutdown mode, disabling the output without drawing any current.The TCR3DM13,LF has built-in protection for overvoltage,undervoltage, overcurrent, and excessive thermal conditions.

Conclusion

The TCR3DM13,LF is a high performance, adjustable linear voltageregulator that is highly efficient and capable of handling almost anyvoltage regulation task. Its adjustable output and level-shiftcircuit make it easy to control, while its various protectionfeatures make it safe to use. The part is well suited for a wide rangeof applications, making it a great choice for designers looking fora reliable and cost-effective voltage regulator solution.

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