MIC37100-1.65WS-TR

Voltage Dropout (Max):	0.5V @ 1A
Base Part Number:	MIC37100-1.65
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	--
Current - Output:	1A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.65V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to MIC37100-1.65WS-TR

TheMIC37100-1.65WS-TR is a wide input voltage regulator manufactured by Microsemi. It is designed to provide a regulated output voltage of 1.65V with a maximum output current of 4A. This linear regulator can accept a wide input voltage range of 2.37V to 3.6V, and has short circuit protection, over-temperature protection and under-voltage lockout.

Application fields of MIC37100-1.65WS-TR

The MIC37100-1.65WS-TR is an ideal power management solution for a wide variety of applications. It can be used in backlight driving, LCD component driving, system clock generators, point-of-load (POL) regulation and other applications that require high current and wide input voltage regulation. It is also suitable for battery operated computer and telecommunication systems, as well as for driving light emitting diodes (LEDs) and liquid crystal displays (LCDs).

Working Principle of MIC37100-1.65WS-TR

The MIC37100-1.65WS-TR operates in linear mode, so the output is regulated through the internal pass transistor. The device uses an internal voltage reference to provide a stable output voltage. The integrated P-MOSFET has a low on-resistance to provide high efficiency and fast response time. The integrated thermal shutdown also prevents any thermal runaway.The control loop of the MIC37100-1.65WS-TR is a voltage mode control scheme. The feedback is provided from the output voltage to the error amplifier, which then controls the output voltage. The voltage at the error amplifier is compared to the voltage reference, and the difference between them is translated into a voltage at the output. The output voltage is then regulated to the value set by the external resistor divider connection. The output voltage is also kept constant over a wide range of input voltages and load conditions.

Conclusion

The MIC37100-1.65WS-TR is a high performance, high efficiency, wide input voltage regulator that is designed for accuracy, stability and easy design-in. Its application fields are wide and it can be used in many different situations. Its working principle is mainly based on linear mode with voltage mode control scheme. In addition, the device has many safety features like over-temperature protection, under-voltage lockout, and short-circuit protection that make it a reliable and secure device.

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