TPS54312PWP

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TPS54312PWP

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IC REG BUCK 1.2V 3A 20HTSSOP

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Attribut Wert
Package Tube
Series SWIFT™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 1.2V
Current-Output 3A
Frequency-Switching 350kHz, 550kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-PowerTSSOP (0.173, 4.40mm Width)

Übersicht

Description

The TPS54312PWP is a step-down (buck) converter from Texas Instruments, designed for efficient voltage regulation in electronic circuits. It is part of the SWIFT™ family of high-performance, synchronous buck converters. The device integrates both the main MOSFET switch and the synchronous MOSFET rectifier, which helps in minimizing the overall component count and improving efficiency.
Key features of the TPS54312PWP include a wide input voltage range, high efficiency across various loads, and a fixed switching frequency for predictable EMI performance. It also offers internal loop compensation to simplify design and reduce external component requirements. The converter supports a maximum output current, typically around 3 A, which makes it suitable for powering a wide range of applications, from consumer electronics to industrial products.
Additional functionalities such as overcurrent protection, thermal shutdown, and soft-start are included to enhance reliability and protect against faults. Its thermal performance is optimized through a PowerPAD™ package, ensuring efficient heat dissipation.

Equivalent

The TPS54312PWP is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers include:
1. LM2675-5.0 by Texas Instruments: A simple switcher step-down voltage regulator.
2. LM2596 by Texas Instruments: A popular step-down voltage regulator.
3. LTC3633 by Analog Devices: A high-efficiency buck regulator.
4. MIC4576 by Microchip Technology: A 3A step-down regulator.
5. NCP3163 by ON Semiconductor: A DC-DC converter designed for step-down applications.
Always check the specific requirements and datasheets for compatibility.

Features

The TPS54312PWP is a high-efficiency step-down converter from Texas Instruments, designed for applications requiring efficient power management. Key features include:
1. Output Current: Capable of delivering up to 3 A.
2. Input Voltage Range: Operates from 3 V to 6 V, accommodating a wide range of applications.
3. Adjustable Output: Offers an adjustable output voltage, providing flexibility to match different circuit requirements.
4. High Efficiency: Optimized for efficiency, particularly in low-power conditions, reducing heat and improving performance.
5. Integrated MOSFETs: Includes integrated MOSFETs to minimize the need for external components, simplifying design and reducing board space.
6. Soft Start: Features a programmable soft start to limit inrush current during power-up, enhancing reliability.
7. Protection Features: Includes overcurrent protection, overtemperature protection, and undervoltage lockout for robust operation.
8. Thermal Performance: Available in a thermally enhanced TSSOP package, facilitating effective heat dissipation.
These features make the TPS54312PWP suitable for applications in telecommunications, networking, and various other electronic devices requiring reliable power conversion.

Pinout

The TPS54312PWP is a step-down (buck) converter from Texas Instruments. It comes in a 20-pin HTSSOP (PowerPAD) package. Here are the pin count and their functions:
1. Pin 1-3: NC - No Connection.
2. Pin 4: IN - Input supply voltage.
3. Pin 5: PVIN - Power input voltage.
4. Pin 6: BOOT - Bootstrap capacitor connection.
5. Pin 7: PH - Phase output and the switch node.
6. Pin 8: GND - Ground.
7. Pin 9: VSENSE - Feedback voltage for output voltage regulation.
8. Pin 10: COMP/EN - Compensation and enable pin.
9. Pin 11-15: NC - No Connection.
10. Pin 16: PWRGD - Power good indicator.
11. Pin 17: SS/TR - Soft start and tracking.
12. Pin 18: RT/CLK - Frequency setting and synchronization.
13. Pin 19: SYNC - Synchronization input.
14. Pin 20: BP - Bypass capacitor connection.
This device is used for efficient voltage regulation and power management in various electronic devices. Please refer to the datasheet for specific design considerations and applications.

Manufacturer

The TPS54312PWP is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company headquartered in Dallas, Texas. It specializes in designing and manufacturing analog and embedded processing chips, which are used in a wide range of electronic devices and systems. TI is known for its innovations in the semiconductor industry, producing components for sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Established in 1930, the company has a long history of contributing to advancements in electronics technology and holds a significant position in the global semiconductor market.

Application

The TPS54312PWP is a synchronous buck converter used in various applications due to its efficiency and compact design. Common application areas include:
1. Telecommunications: Powering processors and ASICs in network equipment.
2. Industrial Automation: Supplying power to control systems and sensors.
3. Consumer Electronics: Used in devices requiring stable power delivery, like set-top boxes and gaming consoles.
4. Automotive: Provides regulated power for infotainment and control modules.
5. Computing: Used in servers and workstations for efficient power management.
6. Medical Devices: Offers reliable power conversion in portable and fixed medical equipment.
These applications benefit from its ability to deliver high efficiency and low output voltage ripple.

Package

The TPS54312PWP is a DC-DC converter integrated circuit by Texas Instruments. It comes in a PowerPAD™ HTSSOP (PWP) package, which is a thermally enhanced thin-shrink small-outline package with 20 pins. This package type is designed to provide improved thermal performance for high-power applications.

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