TCR3DG32,LF Integrated Circuits (ICs)

Current - Output:	300mA
Supplier Device Package:	4-WCSPE (0.65x0.65)
Package / Case:	4-XFBGA, CSPBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	70dB (1kHz)
Current - Supply (Max):	78µA
Current - Quiescent (Iq):	65µA
Series:	--
Voltage Dropout (Max):	0.215V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview

Linear voltage regulators, like the TCR3DG32, are a type of power management integrated circuit (PMIC) used to provide a stable output voltage even with varying input voltage. They are able to control the current and monitor the voltage both upstream and downstream, utilizing either positive or negative voltage supplies. Linear voltage regulators work via a feedback system to convert energy from a higher voltage/lower current source to a lower voltage/higher current source.

TCR3DG32

The TCR3DG32 is a 5V/3A low drop linear voltage regulator released by Texas Instruments. The device is available in SOT-223, SOT-26, MSOP-8, TSSOP-8 and SOIC-8 packages. Its key features include an adjustable output voltage up to 16V, thermal shutdown, and over current protection. Its small form factor and low operating power requirements make it perfect for use in a variety of applications.

Application Field

The TCR3DG32 is widely used in a variety of electronics applications. In computers and data processing systems, the regulator is utilized to ensure that the supply voltage remains stable and within the desired range. It is also used in communications systems, factory automation, medical devices and many other situations where a steady supply voltage is necessary.

Working Principle

The TCR3DG32 functions by controlling current flow. It regulates the output voltage by comparing an internal reference voltage to the output voltage using a feedback loop. If the output voltage is lower than the desired value, the loop increases the current flow, thus increasing the output voltage. Conversely, if the output voltage is higher than the desired value, the loop reduces the current flow, thus decreasing the output voltage.

Conclusion

The TCR3DG32 is a versatile linear voltage regulator. It is suitable for a variety of applications, including computers and data processing systems, communications systems, and factory automation. It works by controlling the current flow and regulating the output voltage by comparison to an internal reference voltage.

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