TC1265-3.0VETTR

Current - Output:	800mA
Base Part Number:	TC1265
Supplier Device Package:	5-DDPAK
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	64dB (1kHz)
Current - Quiescent (Iq):	130µA
Series:	--
Voltage Dropout (Max):	1.4V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to the TC1265-3.0VETTR

The TC1265-3.0VETTR is a three-terminal linear voltage regulator from Texas Instruments. It is a member of the popular TC1264 series of products, which are robust voltage regulators with low output noise and high accuracy. The TC1265-3.0VETTR features a wide input voltage range from 8 to 60V, an adjustable output voltage from 0.8 to 5.2V and a low ground current of typically 35 μA at 12VIN and 3.3VOUT. It has excellent line and load regulation characteristics and can drive up to 1A of load current with a dropout voltage of typically 250mV.

Applications of the TC1265-3.0VETTR

The TC1265-3.0VETTR is designed to provide stable and accurate voltage regulation in applications such as servers and storage systems, TVs and STB, automotive, industrial and portable applications. The TC1265-3.0VETTR is ideal for point of load, power sequencing and backup power applications, where it can be used to ensure reliable system performance.

Working Principle of the TC1265-3.0VETTR

The TC1265-3.0VETTR is a three-terminal linear voltage regulator which uses a reference voltage to generate and maintain a regulated output voltage. It consists of an accurate voltage reference, and error amplifier, and a transistor, which is wired as a series regulator. When the input voltage is at a higher value than the output voltage, the controller will turn on the transistor and allow current to flow from the input to the output. This reduces the voltage at the output and maintains the output voltage at the desired value set by the voltage reference. When the input voltage is at a lower value than the output voltage, the transistor is forced off and no current flows from the input to the output. This maintains the output voltage constant at the desired value, even if the input voltage varies.

Conclusion

The TC1265-3.0VETTR is a linear voltage regulator from Texas Instruments which is specifically designed for applications such as servers and storage systems, TVs and STB, automotive, industrial and portable applications. It has a wide input voltage range of 8 to 60V and a adjustable output voltage range of 0.8 to 5.2V. The low ground current and excellent line and load regulation characteristics make it an ideal choice for point of load, power sequencing and backup power applications. The IC works by regulating the output voltage using a reference voltage and a series of transistors, which turns on or off depending on the input and output voltages.

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