TPS74901KTWR

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TPS74901KTWR

IC REG LIN POS ADJ 3A DDPAK

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 3.6V
VoltageDropout(Max) 0.28V @ 3A
Current-Output 3A
PSRR 60dB ~ 30dB (1kHz ~ 300kHz)
ControlFeatures Enable, Power Good, Soft Start
ProtectionFeatures Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-263-8, D²Pak (7 Leads + Tab), TO-263CA

概述

Description

The TPS74901KTWR is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It is designed to provide a stable output voltage with a high output current capability of up to 1.5 A. This particular model offers an adjustable output voltage, which can be set anywhere between 0.8 V and 3.6 V, making it suitable for a wide range of applications.
Key features of the TPS74901KTWR include its low dropout voltage, typically around 60 mV at 1.5 A, and low quiescent current, which enhances efficiency in battery-powered applications. It also features power-good and enable pins for better control and monitoring of the voltage regulation process. The device incorporates thermal and overcurrent protection to ensure reliability and safety in various operational conditions.
The TPS74901KTWR is housed in a thermally enhanced 5-mm x 5-mm VQFN-20 package, which aids in heat dissipation. Due to its specifications and features, this LDO regulator is well-suited for applications like powering processors, FPGAs, or other digital circuits that require precise voltage regulation.

Features

The TPS74901KTWR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Key features include:
1. Adjustable Output Voltage: It provides an adjustable output voltage starting from 0.8V, allowing for flexibility in various applications.
2. High Output Current: Capable of delivering up to 1.5A of output current, suitable for powering high-performance circuits.
3. Low Dropout Voltage: With a low dropout voltage of 110mV at 1.5A, it ensures efficient operation close to the input supply voltage.
4. Fast Transient Response: Designed to react quickly to changes in load conditions, ensuring stable operation.
5. Soft-Start Capability: The device includes an adjustable soft-start feature to control the inrush current during power-up, protecting sensitive components.
6. Power Good (PG) Signal: Offers a power good signal to indicate when the output voltage is within the desired range, useful for system monitoring.
7. Thermal Protection: Built-in thermal shutdown and current limiting features safeguard the device against overheating and overcurrent conditions.
8. Package: Available in a thermally enhanced 20-pin, 5x5mm QFN package, providing efficient heat dissipation and compact size for space-constrained applications.
These features make the TPS74901KTWR suitable for applications in telecommunications, industrial, and consumer electronics.

Package

The TPS74901KTWR is a low-dropout linear regulator (LDO) from Texas Instruments. It comes in a TO-263 package, also known as a DDPAK/TO-263-5. The "KTWR" suffix in the part number refers to the package type, tape, and reel for automatic mounting. It's a thermally enhanced, surface-mount package designed for efficient heat dissipation.

Pinout

The TPS74901KTWR is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for high-performance applications. It comes in a 20-pin WQFN (Quad Flat No-Lead) package.
Here are the key features:
- Adjustable Output: The TPS74901KTWR allows for an adjustable output voltage, which can be set using external resistors.
- Ultra-Low Dropout: The regulator is known for its ultra-low dropout voltage, providing high efficiency.
- High Accuracy: It offers tight output voltage accuracy across various conditions.
- Enable Pin: This feature allows the device to be put into a low-power shutdown mode.
- Soft-Start: It includes a programmable soft-start feature to control inrush current during start-up.
- Power Good Indicator: The device includes a power good output to signal when the output voltage is within the specified range.
- Thermal Protection: The regulator includes thermal shutdown protection to prevent damage from overheating.
This combination of features makes the TPS74901KTWR suitable for powering DSPs, FPGAs, and microcontrollers in a variety of applications.

Manufacturer

The TPS74901KTWR is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It primarily focuses on developing analog chips and embedded processors, which are crucial components in a broad range of electronic devices. TI serves numerous sectors, including consumer electronics, automotive, industrial, and communications, making it one of the largest semiconductor companies in the world.

Application

The TPS74901KTWR is a low-dropout (LDO) linear voltage regulator. It is commonly used in applications requiring precise voltage regulation and efficient power management. These include telecommunications, networking equipment, industrial electronics, consumer electronics, and computing systems. Its features, such as low dropout voltage, adjustable output, and high current capability, make it suitable for powering processors, FPGAs, ASICs, and other digital and analog circuits requiring stable power supply.

Equivalent

The TPS74901KTWR is a low-dropout (LDO) voltage regulator from Texas Instruments. Equivalent products include:
1. LT1963A from Analog Devices: Offers similar LDO functionality with adjustable output.
2. MIC29302 from Microchip: Another adjustable LDO with similar specs.
3. NCP1117 from ON Semiconductor: Provides comparable LDO performance.
4. LP38501 from Texas Instruments: Another TI product with similar features and LDO characteristics.
Ensure compatibility by checking specific parameters like output voltage, current ratings, package type, and thermal characteristics.

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