LM536003QDSXTQ1

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The LM536003QDSXTQ1 is a buck converter that provides conformal coated, 3-A integrated synchronous Buck switch mode power supply (SMPS). This device is designed to operate as an excellent peripheral power supply rail device, not only with excellent support, but with quality customer experience. This device is suitable for use in a variety of power management applications. It can be used as a buck converter to regulate or maintain the output voltage by rapidly switching ON/OFF the MOSFET to be able to adjust power as needed.

LM536003QDSXTQ1 Application Field

Generally, this type of device is used for providing a regulated voltage output and for providing the power to common microprocessor circuits such as PIC16, PIC32, PIC32MX and STM32. It is also helpful for use in circuits which need direct, low noise power and frequency conversion which includes LED driver. The application in LED backlight system is inevitable due to its low voltage drop output, so it is widely used in fields such as automotive environment, mobile, and smart phone devices. This device could be easily programmed or reconfigured using digital signal processors and it fits well in energy-saving scenarios.

LM536003QDSXTQ1 Working Principle

LM536003QDSXTQ1 is a PWM-based synchronous buck converter, where a PWM signal is generated from the CPLD (Complex Programmable Logic Device) to control the ON/OFF pattern of the internal FET switches. When the PWM waveform is at High, the FET switch (SW1) is activated and the input voltage source is connected to the inductor, while the other FET switch (SW2) remains off. Then, during the ‘OFF’ time, the energy stored in the inductor is transferred to the output of the converter and stored in the output capacitor until the next ‘ON’ time. The energy stored in the output capacitor supplies the output load which can be adjusted by changing the duty cycle of the signal applied to the gate of SW2.

The patented, high-fault-tolerance architecture is strong and reliable and enables the device to operate with input voltage from 3.5 to 28V, and output voltage from 0.6V to16V. The package of this device also supports a wide ambient temperature range from -40°C to +85°C and this allows the device to be versatile and in many industrial applications. It also supports programmable switching frequency up to 1MHz.

The LM536003QDSXTQ1 makes it easy to implement a high efficiency power supply solution for your monitoring, motor drive and robotics applications among other applications. With this device, users are able to create a product with a powerful, efficient performance and great features. Not only that, the LM536003QDSXTQ1 also provides user’s design with low electro-magnetic interference. The device can also be configured as constant-voltage/output current or constant current/output voltage mode.

Conclusion

In summary, the LM536003QDSXTQ1 is a synchronous buck switching regulator designed to provide input/output power supply solution for a wide variety of applications. It is suitable for use in fields such as automotive environment, mobile, smart phone devices and LED backlight system due to its low voltage drop output. Its wide range of features also adds huge value in providing a high-efficiency, high-fault-tolerance solution to the user.

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