TPS54356PWPR

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TPS54356PWPR

IC REG BUCK 3.3V 3A 16HTSSOP

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規格

Series SWIFT™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 3.3V
Current - Output 3A
Frequency - Switching 250kHz, 500kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-HTSSOP
Base Product Number TPS54356

概述

Description

The TPS54356PWPR is a high-performance, step-down (buck) switching regulator from Texas Instruments. It is designed to efficiently convert a higher input voltage into a lower output voltage, making it suitable for various applications, including power management in consumer electronics, industrial systems, and telecommunications equipment.
Key features include a wide input voltage range of 4.5V to 17V, an adjustable output voltage down to 0.8V, and a maximum output current of 5A. The device utilizes a synchronous rectification topology to enhance efficiency, which can exceed 95% under optimal conditions. It also incorporates features such as overcurrent protection, thermal shutdown, and a soft-start mechanism to ensure safe and reliable operation.
The TPS54356PWPR is housed in a compact PowerPAD™ package, facilitating efficient thermal management and space-saving designs. Its ease of use, combined with a robust set of features, makes it an ideal choice for designers looking to implement high-efficiency power solutions in their projects.

Features

The TPS54356PWPR is a high-efficiency, synchronous step-down (buck) DC-DC converter designed for various applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, suitable for various power sources.
2. Output Current: Capable of delivering up to 5A output current.
3. Efficiency: High efficiency (up to 95%) reduces heat generation.
4. Fixed Output Voltage Options: Available in several fixed output voltages (e.g., 3.3V, 5V).
5. Integrated MOSFETs: Reduces external component count and PCB space.
6. Adjustable Output Voltage: Supports external resistor divider for customizable outputs.
7. Soft-Start Functionality: Reduces inrush current during startup.
8. Compensation Network: Internal compensation simplifies design.
9. Thermal Protection: Prevents damage under excessive temperature conditions.
10. Frequency: Operates at a fixed switching frequency of 340kHz.
These features make the TPS54356PWPR suitable for applications in consumer electronics, telecommunications, and industrial systems.

Package

The TPS54356PWPR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) with a width of 6 mm. This package type is designed for efficient thermal performance and compactness, suitable for power management applications.

Pinout

The TPS54356PWPR is a step-down (buck) DC-DC converter that comes in a 20-pin HTQFP package. It features several key functions and pin configurations:
1. Input Voltage Range: 4.5V to 17V.
2. Output Voltage: Adjustable output voltage down to 0.8V.
3. Switching Frequency: Typically 340 kHz.
4. Pin Count: 20 pins.
Key Pins and Functions:
- VIN: Input voltage supply.
- VOUT: Output voltage connection.
- SW: Switch node to inductor.
- GND: Ground reference.
- COMP: Compensation network for stability.
- CSN/ CSP: Current sense inputs for overcurrent protection.
- EN: Enable pin to control the device operation.
- BOOT: Bootstrapping for high-side MOSFET driver.
- SS/TR: Soft-start and timing capacitor connection.
This device is typically used in power management applications requiring efficient voltage regulation with compact design.

Manufacturer

The TPS54356PWPR is manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments specializes in the design and production of a wide range of electronic components, including analog and digital semiconductors, embedded processors, and various other technology solutions for various industries. Founded in 1930, TI is known for its innovation in signal processing, power management, and compute technologies, serving sectors such as automotive, industrial, communications, and consumer electronics.

Application

The TPS54356PWPR is a synchronous step-down (buck) regulator designed for applications such as power management in desktop computers, servers, and networking equipment. It is also suitable for point-of-load (POL) power supplies in automotive, industrial systems, and consumer electronics, providing efficient voltage regulation for microcontrollers, FPGAs, and DSPs. Its features include high efficiency, compact size, and adjustable output voltage, making it ideal for a wide range of low to medium power applications.

Equivalent

Equivalent products to the TPS54356PWPR include the LM2596, LM2675, and LMT807. These chips offer similar functionalities such as step-down voltage regulation with adjustable output voltages and comparable current ratings. Always check datasheets for specific parameters to ensure compatibility with your application.

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