TC1301B-GDDVUATR

Current - Output:	300mA, 150mA
Base Part Number:	TC1301B
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Reset
PSRR:	58dB (100Hz)
Current - Quiescent (Iq):	180µA
Series:	--
Voltage Dropout (Max):	0.18V @ 300mA, 0.25V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V, 3V, 2.5V
Voltage - Input (Max):	6V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TC1301B-GDDVUATR Voltage Regulator-Linear Overview

The TC1301B-GDDVUATR is a three-channel low dropout (LDO) linear regulator that can be used in a variety of applications. This family of regulators is intended for use as a voltage regulator in cost-sensitive applications where low-fault current and high power supply rejection ratio (PSRR) are essential requirements.

Features

The TC1301B-GDDVUATR offers a wide range of features including:• Very low dropout voltage – typically only 3 mV• Very low output current ripple – typically 0.6µA• Low quiescent current – typically only 0.6mA• Temperature-compensated voltage reference• 300kHz switching frequency• High PSRR• Shutdown Mode for low-power operation• Programmable voltages from 0V to 12V• Adjustable current limit

Applications

The TC1301B-GDDVUATR is ideal for cost-sensitive applications where low-fault current and high PSRR are essential requirements like:• Automotive Networking• Automotive Navigation Systems• Automotive Audio Systems• Automotive Video Systems• Automotive Security Systems • Automotive Electronic Control Units (ECUs)• Industrial Grade Automation• Power Management Systems• Automotive LEDs• Energy Harvesting Systems

Working Principle

The TC1301B-GDDVUATR is a linear voltage regulator that uses an internal pass transistor to regulate the output voltage of the device. It works by differentially comparing the output voltage of the device to a voltage reference source (Vref).When the output voltage of the device is lower than the voltage reference source, the pass transistor increases the input current to the output in order to raise the output voltage. When the output voltage of the device is higher than the voltage reference source, the pass transistor decreases the input current, reducing the output voltage.The TC1301B-GDDVUATR is designed to operate over a wide range of input voltages, making it ideal for automotive and industrial applications. It provides a precise voltage regulation over a wide range of output loads and is capable of supplying up to 1.25A of output current.

Conclusion

The TC1301B-GDDVUATR is a versatile three-channel linear LDO regulator providing accurate voltage regulation and high power supply rejection ratio at competitive cost. Ideal applications include automotive, industrial, and power management systems. The device offers excellent performance at low quiescent current and very low dropout voltage. It also includes programmable output voltage, adjustable current limit, and shutdown modes for low-power operation.

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