LM22670QTJ-ADJ/NOPB

Voltage - Output (Min/Fixed):	1.285V
Base Part Number:	LM22670
Supplier Device Package:	TO-263-7 Thin
Package / Case:	TO-263-7 Thin
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	3A
Voltage - Output (Max):	37V
Series:	Automotive, AEC-Q100, SIMPLE SWITCHER®
Voltage - Input (Max):	42V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of LM22670QTJ-ADJ/NOPB

The LM22670QTJ-ADJ/NOPB is a step-down buck power module device. It features high efficiency, which allows the device to work in a wide input voltage range of 3V to 18V. In addition, the device is available in an adjustable/fixed output voltage range of 0.8V to 12.95V. The device has a small size that allows it to fit into advanced portable applications. Moreover, the device is designed to deliver up to 3A of load current with a low quiescent current of 250uA. Thanks to its integrated over-temperature protection and fault protection, it is ideal for use in a wide range of applications.

Application Field of LM22670QTJ-ADJ/NOPB

The LM22670QTJ-ADJ/NOPB can be widely used in many applications, ranging from automotive and industrial to portable applications such as cell phones, displays and LEDs. With its high efficiency and adjustable/fixed output voltage range, it can be widely used as a battery charger, DC/DC converter, and boost converter.

Working Principle of LM22670QTJ-ADJ/NOPB

The LM22670QTJ-ADJ/NOPB follows the buck converter principle. It works by controlling the switch between an inductor and capacitor to convert a given input voltage to an output voltage. The switch can be controlled to increase or decrease the voltage, depending on the current draw of the load.In the device’s power stage, the power switch is connected to the input voltage while the energy storage elements are connected to the output. When the switch is closed, the energy stored in the inductor is increased while the energy in the capacitor is decreased. This increases the output voltage. When the switch is open, the energy in the inductor is decreased while the energy in the capacitor is increased. This decreases the output voltage.In addition, the LM22670QTJ-ADJ/NOPB uses a feedback loop to control the output voltage. There are two main components in the feedback loop: the feedback sensor, which senses the output voltage, and the control circuitry, which adjusts the power switch to achieve the desired output voltage.

Advantages of LM22670QTJ-ADJ/NOPB

The LM22670QTJ-ADJ/NOPB has many advantages over other similar devices, such as improved power efficiency, excellent line and load regulation capability, small form factor, and thermal shutdown protection. In addition, the device features integrated over-temperature protection, as well as a power-on reset to ensure safe operation in all conditions. The device also features soft-start capabilities, as well as a low quiescent current of 250uA, which helps reduce overall power consumption.Furthermore, the device offers a wide range of output voltage options, making it suitable for a variety of applications. For example, it can be used as a battery charger to charge a variety of battery types, such as Li-Ion, Li-Po, NiMH and NiCd, in a wide range of voltages.

Conclusion

In conclusion, the LM22670QTJ-ADJ/NOPB is a wide input range, high efficiency buck converter that can be used in a variety of applications. Thanks to its high efficiency and adjustable/fixed output voltage range, it is particularly suitable for portable applications such as cell phones, displays and LEDs. In addition, the device features integrated over-temperature protection, as well as a power-on reset, making it a reliable and safe choice for various applications.

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