TPS5420D

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TPS5420D

IC REG BUCK ADJUSTABLE 2A 8SOIC

  • Производитель
  • Мфр. Часть #TPS5420D
  • Пакет SOIC (D)-8
  • Лист данных
  • В наличии4803

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Спецификации

Package Bulk,Tube
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 5.5V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 1.22V
Voltage-Output(Max) 31V
Current-Output 2A
Frequency-Switching 500kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Обзор

Description

The TPS5420D is a step-down (buck) voltage regulator from Texas Instruments designed for efficient power conversion. It is part of the TPS5420 family, which is known for its high-efficiency power management capabilities. The device can deliver up to 2A of continuous output current and operates over a wide input voltage range (8 V to 60 V), making it suitable for a variety of applications, including industrial and consumer electronics.
Key features of the TPS5420D include a fixed 500 kHz switching frequency to help reduce component size, an internal compensation network for simplified design, and a thermal shutdown feature to protect against overheating. The device also offers current mode control to provide fast transient response and easy loop stabilization. With an integrated high-side MOSFET, the TPS5420D minimizes external component count and board space.
The TPS5420D is housed in an 8-pin SOIC package, which provides a compact solution for PCB design. Its robust performance and wide input voltage range make it ideal for applications requiring efficient and reliable power conversion.

Features

The TPS5420D is a step-down (buck) voltage regulator from Texas Instruments. It is designed for applications requiring efficient power conversion with features that suit a wide range of uses:
1. Input Voltage Range: Operates with an input voltage range from 5.5V to 36V, making it versatile for use in various power supply configurations.
2. Output Voltage: Adjustable output voltage from 1.22V to 34V, allowing for customization based on specific application needs.
3. Output Current: Capable of delivering up to 2A of continuous output current.
4. Efficiency: Offers high-efficiency performance, typically greater than 95% at optimal conditions, reducing heat dissipation requirements.
5. Switching Frequency: Operates at a fixed switching frequency of 500 kHz, enabling compact design and smaller external components.
6. Thermal Protection: Includes thermal shutdown for protection against overheating, enhancing the reliability of the system.
7. Overcurrent Protection: Equipped with cycle-by-cycle current limiting to prevent damage due to overcurrent conditions.
8. Soft Start: Features a programmable slow-start function to minimize inrush current and overshoot during startup.
9. Package: Available in an 8-pin SOIC package, facilitating easy integration into designs.
The TPS5420D is suitable for applications like consumer electronics, industrial products, and telecommunications.

Package

The TPS5420D is a DC/DC buck converter from Texas Instruments, and it comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact, suitable for surface mounting on PCBs, and typically used for efficient power management in electronic applications.

Pinout

The TPS5420D is a 3.5 A step-down converter by Texas Instruments, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin count and functions:
1. Pin 1 (BOOT): Provides a bootstrap voltage to the high-side MOSFET driver.
2. Pin 2 (VIN): Input supply voltage.
3. Pin 3 (SW): Switch node; output from the high-side MOSFET.
4. Pin 4 (GND): Ground reference for the device.
5. Pin 5 (VSENSE): Feedback input for voltage regulation.
6. Pin 6 (COMP/EN): Compensation and enable pin; typically used for loop compensation and enabling the device.
7. Pin 7 (SS): Slow start; manages the rate of rise of the output voltage.
8. Pin 8 (RT/CLK): Sets the frequency of the oscillator or synchronized with an external clock.
Each pin plays a key role in ensuring the device efficiently converts a higher input voltage to a regulated lower output voltage.

Manufacturer

The TPS5420D is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits. They are known for their work in the electronics industry, producing a wide range of products used in different markets, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI's products are integral to the development of modern electronic devices and systems, focusing on innovation and quality.

Application

The TPS5420D is a DC-DC step-down converter often used in applications requiring efficient voltage regulation. Key application areas include consumer electronics, industrial equipment, telecommunications, and automotive systems. It is suitable for powering microcontrollers, FPGAs, sensors, and other digital circuits. Its compact size and efficiency make it ideal for use in space-constrained applications requiring reliable power delivery.

Equivalent

The TPS5420D is a step-down DC-DC converter from Texas Instruments. Equivalent products include:
1. LM2596 by Texas Instruments
2. LM2678 by Texas Instruments
3. LMR14020 by Texas Instruments
4. ADP2302 by Analog Devices
5. MP1584 by Monolithic Power Systems
These alternatives have similar voltage and current specifications, though it's essential to verify specific requirements like package type and additional features. Always consult datasheets to ensure compatibility.

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