S-1165B31MC-N6QTFU

Voltage Dropout (Max):	0.2V @ 200mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Quiescent (Iq):	65µA
Current - Output:	200mA
Series:	S-1165
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.1V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-1165B31MC-N6QTFU is a linear voltage regulator from Step-Motor Corporation used to regulate voltages in a range of applications. It is part of Step-Motor\'s PMIC (Power Management Integrated Circuit) family, and is classified as being a voltage regulator within the "Linear" category. This guide will look into the application field and the working principle of the S-1165B31MC-N6QTFU.

Application Field

The S-1165B31MC-N6QTFU is suitable for applications with a low to medium power output and with input voltages of up to 15V.Some of the applications in which the S-1165B31MC-N6QTFU can be used include:

• Telecommunication systems
• Networking devices
• Data transmission control
• Industrial automation control
• Electronic medical equipment
• Video systems

The device is designed to regulate voltage in an efficient and cost-effective manner. Its overall design is optimized for reliability and performance, making it a popular choice in the industrial and commercial electronics markets.

Working Principle

The S-1165B31MC-N6QTFU is a linear voltage regulator. This means that it uses a linear, feedback control loop from the output voltage to its reference voltage as a means of regulating output voltage. The device is designed to allow for stable and consistent voltage regulation under normal operating conditions.At the heart of the S-1165B31MC-N6QTFU’s design lies the feedback loop, which is a combination of a monitor, a comparison circuit and a correction capacitor. The monitor senses the output voltage and feeds the comparison circuit, which then adjusts the output voltage by manipulating the gate voltage of the transistor. The correction capacitor interacts with the gate current in order to reduce the output harmonic distortion.The device also features two additional voltage regulators which are designed to optimize output voltage. The first regulator is a voltage follower while the second is a current source regulator. These features allow the device to maintain a steady and reliable output voltage even in cases of high output load.In conclusion, the S-1165B31MC-N6QTFU is a linear voltage regulator which is suitable for applications in a range of industries with a low to medium power output. The device utilizes a linear, feedback control loop in order to regulate output voltage, and also features two additional voltage regulator circuits which are designed to optimize output voltage. The device\'s design is optimized for reliability and performance, making it a popular choice for industrial and commercial electronics markets.

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