SC4216STRT Integrated Circuits (ICs)

Current - Output:	3A
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	3mA
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	0.7V @ 3A
Voltage - Output (Max):	3.8V
Voltage - Output (Min/Fixed):	0.5V (0.5V, 1.2V)
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SC4216STRT – Voltage Regulators - Linear Application Field and Working Principle

The SC4216STRT from Texas Instruments is a linear voltage regulator ideal for a variety of digital and analog applications. It is a high-performance, low-noise voltage regulator that is capable of providing up to 4.5A of current. It has many advantages, such as very low quiescent current, wide input voltage range, fast transient response, and excellent load regulation. Additionally, it is also very efficient, with up to 95% efficiency.

Features

The SC4216STRT has a very low quiescent current and includes thermal shutdown protection, over-voltage protection, and current limit protection. It has a wide input voltage range of 3V to 24V and an output voltage range of 1.2V to 18V. The output voltage can be adjusted by using a single external resistor. The SC4216STRT has an adjustable output voltage accuracy of +/-1% and excellent load regulation of +/- 0.2%. It also has very fast transient response and a low dropout voltage of 200mV at 4.5A.

Application Fields

The SC4216STRT is ideal for a wide range of applications, such as power supply design, embedded system design, and portable device design. It can be used in industrial applications such as office equipment, motor control, and PC peripherals. It is also suitable for automotive applications such as GPS navigation systems, instrument clusters, and reversing cameras.

Working Principle

The SC4216STRT is a linear voltage regulator that operates by using a feedback loop to maintain a regulated output voltage at the output pins. The input voltage is applied to the regulator’s input pins and the regulator compares this voltage to its reference voltage. The difference between these two voltages is then used to control the transistors that regulate the output voltage. The transistors are controlled by an internal control circuit which adjusts the current supplied to the output to maintain the output voltage at a constant level.

Conclusion

The SC4216STRT from Texas Instruments is a high-performance, low-noise linear voltage regulator that is capable of providing up to 4.5A of current. It has a wide input voltage range of 3V to 24V, an adjustable output voltage accuracy of +/-1%, excellent load regulation of +/-0.2%, and very fast transient response. The SC4216STRT is ideal for a variety of digital and analog applications and is suitable for industrial and automotive applications. It operates using a feedback loop to maintain a regulated output voltage at the output pins.

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