TPS77301DGKR

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TPS77301DGKR

IC REG LIN POS ADJ 250MA 8VSSOP

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 10V
Voltage-Output(Min/Fixed) 1.5V
Voltage-Output(Max) 5.5V
Current-Output 250mA
Current-Quiescent(Iq) 125 µA
PSRR 55dB (1kHz)
ControlFeatures Enable, Reset
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

개요

Description

The TPS77301DGKR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is part of the TPS77 series, designed to provide a stable and reliable output voltage with high accuracy and low noise. The regulator supports an adjustable output voltage, which can be set using external resistors, making it versatile for various applications.
Key features include a low quiescent current, ensuring energy efficiency, and a fast transient response, which is crucial for applications with rapidly changing load conditions. It also includes an active-low reset signal, which monitors the output voltage and indicates when it falls below a specified threshold, enhancing system reliability by allowing the host system to respond to undervoltage conditions.
The TPS77301DGKR is packaged in a small form factor, making it suitable for space-constrained applications. It is typically used in portable devices, communication equipment, and other electronics that require efficient power management. The device is designed to operate over a wide input voltage range and includes protection features such as current limiting and thermal shutdown to prevent damage under fault conditions.

Features

The TPS77301DGKR is a low-dropout (LDO) voltage regulator from Texas Instruments designed for power management applications. Key features include:
1. Output Voltage: Adjustable output voltage between 1.2V to 5.5V, which can be set using external resistors.
2. Input Voltage Range: Operates with input voltages from 2.7V to 10V.
3. Output Current: Capable of delivering up to 250mA of output current.
4. Low Dropout Voltage: Offers a low dropout voltage of typically 200mV at 250mA.
5. Supply Current: Features a low quiescent current of 92µA, enhancing efficiency in standby modes.
6. Fast Startup: Includes a fast startup time with a precision enable pin for quick power-up.
7. Power Good Signal: Provides an active-low power good (PG) signal that indicates when the output is within regulation.
8. Protection Features: Integrated thermal shutdown and short-circuit protection to enhance reliability.
9. Package: Comes in a 10-pin VSON package which is compact, aiding in space-constrained applications.
10. Applications: Suitable for use in portable devices, DSP power supplies, and other applications requiring efficient regulation.
These features make the TPS77301DGKR a versatile choice for various electronic applications requiring efficient power regulation.

Package

The TPS77301DGKR is a low-dropout (LDO) voltage regulator from Texas Instruments. It is available in an 8-pin VSSOP (DGK) package. This package type is compact and suitable for applications requiring efficient power regulation in a small footprint.

Pinout

The TPS77301DGKR is a low-dropout (LDO) voltage regulator from Texas Instruments. It typically comes in an 8-pin VSSOP (DGK) package. Here’s a brief overview of its pin functions:
1. IN: Input voltage pin where the supply voltage is applied.
2. GND: Ground pin for the device.
3. OUT: Output pin where the regulated voltage is provided.
4. EN: Enable pin for the LDO, allowing the device to be turned on or off.
5. NR: Noise reduction pin, used to improve the noise performance by connecting a capacitor to ground.
6. FB: Feedback pin used to set the output voltage by connecting it to a resistor divider network.
7. NC: No connection, typically not connected internally.
8. NC: No connection, typically not connected internally.
Please refer to the datasheet for detailed electrical characteristics and application circuits.

Manufacturer

The manufacturer of the TPS77301DGKR is Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. The company is known for producing analog chips and embedded processors, which are used in various markets including automotive, industrial, personal electronics, and communications equipment. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in the semiconductor industry, focusing on innovation and technology development to provide solutions for diverse electronic applications.

Application

The TPS77301DGKR is a low-dropout linear regulator designed for applications requiring a regulated output and fast transient response. Its key application areas include powering microcontrollers, digital signal processors, and other low-voltage digital ICs in portable devices, telecommunications, and industrial equipment. It offers features such as thermal protection, low quiescent current, and an integrated power-on reset function, making it suitable for battery-operated devices and systems with stringent power management requirements.

Equivalent

The TPS77301DGKR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products may include:
1. MIC5205 by Microchip Technology - Offers similar LDO characteristics.
2. LP2985 by Texas Instruments - Features comparable low-dropout performance.
3. NCP1117 by ON Semiconductor - Another alternative for low dropout voltage regulation.
These equivalents should be reviewed for specific specifications like output voltage, current rating, and package type to ensure compatibility with your application.

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