TPS54302DDCT

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TPS54302DDCT

IC REG BUCK ADJ 3A TSOT23-6

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 28V
Voltage-Output(Min/Fixed) 0.596V
Voltage-Output(Max) 28V
Current-Output 3A
Frequency-Switching 400kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-23-6 Thin, TSOT-23-6

概述

Description

The TPS54302DDCT is a high-efficiency, synchronous buck converter from Texas Instruments, designed for compact power management applications. It operates with an input voltage range of 4.5V to 28V and delivers up to 3A of output current. The device features an integrated high-side and low-side MOSFET, which minimizes the need for external components and enhances efficiency. Its D-CAP2™ control mode ensures fast transient response and simplifies loop compensation. The converter supports adjustable output voltages starting from as low as 0.8V, making it versatile for various applications.
Key features include a high switching frequency, typically 570 kHz, which allows for the use of smaller inductors and capacitors, reducing overall design size. The TPS54302DDCT also offers protection features such as cycle-by-cycle current limit, thermal shutdown, and short circuit protection. It is housed in a compact SOT-23 package, making it suitable for space-constrained designs. This converter is ideal for use in devices like industrial equipment, consumer electronics, and telecom infrastructure, where efficiency and compactness are critical.

Features

The TPS54302DDCT is a step-down (buck) voltage regulator with several key features:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 28V.
2. Output Current: Delivers up to 3A of continuous output current.
3. Efficiency: High efficiency at light loads due to the use of eco-mode operation.
4. Switching Frequency: Operates at a fixed frequency of 570 kHz, optimizing efficiency and minimizing interference.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
6. Soft Start: Integrated soft-start capability to limit inrush current during start-up.
7. Compact Package: Available in a small, thermally efficient 8-pin SOIC package, suitable for space-constrained applications.
8. Low Dropout Operation: Capable of low dropout operation through the use of an integrated high-side MOSFET.
These features make the TPS54302DDCT ideal for applications requiring efficient power conversion, compact design, and reliable operation, such as consumer electronics, industrial applications, and general-purpose power management.

Package

The TPS54302DDCT is a DC-DC step-down converter from Texas Instruments, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, specifically the DDC package type.

Pinout

The TPS54302DDCT is a DC-DC buck converter manufactured by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the TPS54302 is to step down a higher input voltage to a lower output voltage, making it suitable for applications requiring efficient power management.
Here's a brief overview of its pin functions:
1. SW (Pin 1): Switch node, connected to the inductor and carries the switching waveform.
2. GND (Pin 2, 3): Ground pins, provide the return path for the device.
3. FB (Pin 4): Feedback pin, used to set the output voltage via a resistor divider.
4. EN (Pin 5): Enable pin, used to turn the device on or off.
5. VIN (Pin 6): Input voltage pin, connected to the supply voltage.
6. BOOT (Pin 7): Bootstrap capacitor connection for driving the gate of the high-side MOSFET.
7. PG (Pin 8): Power Good indicator pin, signals when the output voltage is in regulation.
This converter is efficient and suitable for a variety of applications, including consumer electronics, industrial power systems, and more.

Manufacturer

The TPS54302DDCT is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is particularly known for its analog chips and embedded processors, which find applications in a wide range of industries, including automotive, industrial, consumer electronics, and communications equipment. The company is one of the largest producers of semiconductors in the world and operates in more than 30 countries.

Application

The TPS54302DDCT is a step-down (buck) converter used in various applications. It is commonly employed in power management for industrial and consumer electronics, supporting point-of-load conversions, distributed power systems, and power supply designs. It's suitable for applications requiring efficient power regulation such as embedded systems, communication equipment, and portable devices. Additionally, its compact size and high efficiency make it ideal for use in space-constrained designs like IoT devices and automotive electronics.

Equivalent

Equivalent products to the TPS54302DDCT, a DC-DC buck converter from Texas Instruments, include:
1. LM2596 by Texas Instruments.
2. MP1584 by MPS (Monolithic Power Systems).
3. LM2678 by Texas Instruments.
4. AP3211 by Diodes Incorporated.
5. LMR33630 by Texas Instruments.
These alternatives offer similar functionalities, but it's essential to verify specifications like input voltage range, output current, switching frequency, and efficiency to ensure compatibility with your application.

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