LK112M21TR

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LK112M21TR is an integrated voltage regulator device that combines both linear and switching control. It is a high-performance and cost-effective device used in a wide range of applications, from power supply design to battery management. This device features low-noise and low-temperature drift output voltage regulation, along with a very low operating current.

Application Field

LK112M21TR is used primarily in power supply designs requiring an adjustable output voltage. It provides over-voltage and under-voltage protection, as well as current-limiting and thermal shut-down protection. It can also be used in battery management applications, where it can provide charging and discharging control. Additionally, the device is suited for automotive applications, where it can provide diagnostics, fault monitoring and protection.

Working Principle of LK112M21TR

LK112M21TR works by controlling the output voltage through a combination of both linear and switching control. The linear control circuit works by using feedback from the output voltage to adjust the control signal to the output stage. The switching control works by driving pulses of current to the output stage in order to maintain the desired output voltage. This dual-mode control maximizes regulation and efficiency for all load types. In addition to regulating the output voltage, the device also features a shutdown current which, when triggered, will cause the device to enter standby mode, significantly reducing power consumption.

Conclusion

LK112M21TR is an integrated voltage regulator device that combines both linear and switching control. It is a high-performance and cost-effective device used in a wide range of applications, including power supply design, battery management, automotive applications and more. The device works by controlling the output voltage through a combination of both linear and switching control, and also features a low-noise, low-temperature drift output voltage regulation and a very low operating current. Additionally, the device provides shutdown current, over-voltage and under-voltage protection, and current-limiting and thermal shut-down protection. All of these features make LK112M21TR an ideal choice for any application requiring an adjustable output voltage.

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