TC1301A-ADAVMFTR

Current - Output:	300mA, 150mA
Base Part Number:	TC1301A
Supplier Device Package:	8-DFN-EP (3x3)
Package / Case:	8-VDFN Exposed Pad
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):	3.3V, 3V, 2.63V
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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Introduction

TC1301A-ADAVMFTR is an advanced voltage regulator IC device that provides regulating current output, adjustable voltage reference, low quiescent current, feedback loop compensations and protect functions. The components are most commonly used in automotive applications.

Application Field

TC1301A-ADAVMFTR is a 6-pin voltage regulator IC intended for automotive applications. It provides a low dropout linear regulator (LDO) with high power supply rejection, low quiescent current and wide operating temperature range. The device operates with a wide input voltage range of 9V to 32V. It can be used in applications such as Automotive In Dash Satellite Radio, Manual Transmission Control, Automotive ECU, Remote Keyless Entry, Automotive Lighting, and DC Motor Control.

Features

TC1301A-ADAVMFTR is designed with advanced technology and features multiple advantages. The device offers high output accuracy with less than 1% line regulation and load regulation. The device features a high power supply rejection ratio that provides high dynamic stability. It also has a low quiescent current at 1.3 mA, which helps in saving energy. The device has two adjustable feedback pins that can be used to provide an adjustable voltage reference. The device also provides protection against reverse polarity, load dump, and over-temperature conditions.

Working Principle

TC1301A-ADAVMFTR works in an open-loop voltage regulation configuration. In this configuration the output voltage is regulated using an error amplifier and voltage reference. The error amplifier compares the output voltage from the pin feedback node to the internal reference voltage and adjusts its duty cycle accordingly.The duty cycle is adjusted by integrating the output of the error amplifier. This integrated error signal is then divided by a constant, F, and outputted to the PWM comparator. The reference voltage is then compared with the PWM signal and switches the regulator output between high and low depending on the result. If the output voltage is higher than the reference it will turn the regulator output low, and if the output voltage is lower than the reference it will turn the regulator output high. This process creates an output voltage that is regulated to the reference voltage.

Conclusion

TC1301A-ADAVMFTR is a 6-pin voltage regulator that can be used in an open-loop voltage regulation configuration to provide adjustable output regulation. The device offers high output accuracy, high power supply rejection, low quiescent current and is designed to be used in automotive applications. It also provides protection against reverse polarity, load dump, and over-temperature conditions.

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