TPS54334DRCR

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TPS54334DRCR

IC REG BUCK ADJ 3A 10VSON

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Spezifikationen

Part Status Active
Base Product Number TPS54334
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.2V
Voltage - Input (Max) 28V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 24V
Current - Output 3A
Frequency - Switching 570kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 10-VFDFN Exposed Pad
Supplier Device Package 10-VSON (3x3)
Packaging Cut Tape (CT), Tape & Reel (TR)

Übersicht

Description

The TPS54334DRCR is a synchronous step-down (buck) converter developed by Texas Instruments. It is designed to convert a higher input voltage to a lower output voltage efficiently, making it suitable for applications requiring compact power conversion solutions. The device operates with an input voltage range of 4.5 V to 28 V and delivers up to 3 A output current.
Key features include a fixed frequency of 2.1 MHz, which allows the use of smaller inductors and capacitors, resulting in a compact design. It also offers high efficiency at light loads and supports a low-dropout mode for improved performance. The TPS54334DRCR integrates protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
Its small 10-pin VSON (DRC) package with PowerPAD enhances thermal performance, making it suitable for space-constrained applications in industrial, automotive, and consumer electronics. The TPS54334DRCR is part of the TPS54334 family, known for providing efficient power solutions with minimal external components.

Features

The TPS54334DRCR is a DC-DC buck converter from Texas Instruments, designed for high-efficiency power supply applications. Key features include:
1. Input Voltage Range: Operates within a wide input voltage range of 4.5V to 28V, making it versatile for various power sources.

2. Output Current: Capable of delivering up to 3.5A continuous current, suitable for powering a wide range of loads.
3. Efficiency: High efficiency up to 95% achieved through advanced MOSFET technology, reducing power dissipation and thermal stress.
4. Switching Frequency: Offers a fixed switching frequency of 700 kHz, balancing size and efficiency while minimizing output ripple.
5. Adjustable Output Voltage: The output voltage is adjustable via an external resistor divider, providing flexibility for different applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing reliability and safety.
7. Soft Start: Features a programmable soft-start function to limit inrush current and manage power sequencing.
8. Compact Package: Comes in a small, thermally efficient 10-pin VSON package, suitable for space-constrained designs.
Overall, the TPS54334DRCR is ideal for applications requiring efficient, compact power conversion with robust protection features.

Package

The TPS54334DRCR is a DC-DC buck converter from Texas Instruments. It comes in a VSON (Very Thin Small Outline No-lead) package, specifically a 10-pin VSON (3.00 mm × 3.00 mm) package, denoted by the suffix "DRC." This compact packaging is ideal for space-constrained applications.

Pinout

The TPS54334DRCR is a 10-pin device from Texas Instruments, designed as a buck converter for efficient power management. It is part of the TPS54334 family, which is used for step-down voltage conversion in a wide array of applications. The key functions of the pins are as follows:
1. VIN: Input voltage supply pin.
2. EN: Enable pin to turn the device on or off.
3. BOOT: Bootstrap pin for driving the high-side N-channel MOSFET.
4. SW: Switch node, connected to the inductor for output voltage regulation.
5. GND: Ground connection.
6. VSENSE: Feedback pin for output voltage regulation.
7. COMP: Compensation pin for external compensation network.
8. RT/CLK: Sets the oscillator frequency or synchronizes to an external clock.
9. PWRGD: Power good output indicating if the output voltage is within regulation limits.
10. SS/TR: Soft-start and tracking pin to control the output voltage ramp-up.
These pins collectively manage input/output voltage regulation, device enabling, switching, and protection features, making the TPS54334DRCR suitable for applications requiring efficient, compact power solutions.

Manufacturer

The TPS54334DRCR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs, manufactures, tests, and sells a broad range of integrated circuits (ICs) and embedded processors. TI is known for its analog and embedded processing products, which are used in various applications, including industrial, automotive, personal electronics, and communications equipment. The company is headquartered in Dallas, Texas, and is recognized for its focus on innovation and technological advancement in the semiconductor industry.

Application

The TPS54334DRCR is a step-down converter commonly used in applications such as: powering industrial and consumer electronics, telecommunications equipment, and automotive systems. It is ideal for applications requiring efficient power management, such as distributed power systems, digital TV power supplies, and set-top boxes. Its compact design and high efficiency make it suitable for portable devices and battery-powered equipment as well.

Equivalent

The TPS54334DRCR is a DC-DC buck converter. Equivalent products include:
1. LMR33630 from Texas Instruments: A 36V, 3A synchronous step-down converter.
2. MP2459 from Monolithic Power Systems: A 36V, 3A non-synchronous step-down converter.
3. LTC3633 from Analog Devices: A dual-channel, 20V, 3A synchronous buck regulator.
4. LM2596 from Texas Instruments: A 3A step-down regulator.
Ensure the specific application requirements match when considering alternatives.

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