TPS54334DDAR

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TPS54334DDAR

IC REG BUCK ADJUSTABLE 3A 8SOPWR

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  • Mfr。パート #TPS54334DDAR
  • パッケージ SOP-8
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仕様

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 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
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

概要

Description

The TPS54334DDAR is a step-down (buck) DC-DC converter from Texas Instruments, designed for efficient power management in various electronic applications. It is part of the TPS54334 series and is notable for its wide input voltage range of 4.5V to 28V, making it suitable for use in systems with a variety of power sources. The device can deliver up to 3A of continuous output current, which is ideal for powering digital components, processors, or other system modules.
This converter features adaptive on-time D-CAP2™ mode control, which provides fast transient response and requires minimal external components, simplifying the design process. Additionally, the TPS54334DDAR offers features like internal soft start, compensation, and overcurrent protection, enhancing its reliability and performance.
Its compact package size and high efficiency (up to 95%) make it suitable for space-constrained applications. The device's thermal shutdown and short-circuit protection further ensure its robustness in various operating conditions. Overall, the TPS54334DDAR is a versatile solution for engineers looking to manage power efficiently in their electronic designs.

Features

The TPS54334DDAR is a high-efficiency step-down converter from Texas Instruments. Key features include:
1. Input Voltage Range: Operates efficiently with an input voltage range of 4.5 V to 28 V, suitable for various applications.

2. Output Current: Delivers up to 3 A of continuous output current, accommodating moderate power requirements.
3. High Efficiency: Utilizes a synchronous switching architecture for high efficiency, often exceeding 90%, reducing power loss.
4. Adjustable Output Voltage: Offers an adjustable output voltage range from 0.8 V to 25 V via external resistors.
5. Quiescent Current: Low quiescent current of 146 µA, making it ideal for battery-powered applications.
6. Switching Frequency: Fixed 700 kHz switching frequency, balancing efficiency with size inductor and capacitors.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
8. Soft Start: Programmable soft start to minimize inrush current during power-up.
9. Small Package: Available in a space-saving 8-pin SO PowerPAD™ package for compact designs.
These features make the TPS54334DDAR suitable for a wide range of applications, including consumer electronics, industrial systems, and telecommunications.

Package

The TPS54334DDAR is a step-down converter in a DDA (VSON) package, which is a thermally enhanced, plastic package with a small footprint, typically having eight pins. It is designed for efficient power management applications.

Pinout

The TPS54334DDAR is a step-down (buck) converter from Texas Instruments. It is part of the TPS54334 series and is typically used for applications requiring a fixed or adjustable output voltage from a higher input voltage. The device comes in an 8-pin SO PowerPAD package (DDAR).
Here is a concise overview of its pin functions:
1. BOOT: Bootstrap capacitor connection for high-side FET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start or tracking pin to control output voltage ramp rate.
5. GND: Ground reference for the device.
6. FB: Feedback pin for setting the output voltage.
7. COMP: Compensation pin for stability and transient response tuning.
8. SW: Switch node connection, where the inductor is connected.
These pins work collectively to control the conversion process, ensuring efficient power management in embedded systems and other electronic applications.

Manufacturer

The TPS54334DDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a variety of electronic components, including integrated circuits, processors, and sensors. TI is known for its contributions to the development of analog and embedded processing technologies, which are used in a wide range of applications across industries such as automotive, consumer electronics, industrial, and communications. Founded in 1930 and headquartered in Dallas, Texas, TI is one of the largest and most well-established companies in the semiconductor industry.

Application

The TPS54334DDAR is a step-down converter suited for applications requiring efficient power management. Key areas include telecommunications, industrial automation, and consumer electronics. It's ideal for powering microcontrollers, FPGAs, and DSPs in embedded systems. Additionally, it's used in distributed power systems and point-of-load applications, where reliable voltage regulation is crucial.

Equivalent

The TPS54334DDAR is a DC-DC buck converter. Equivalent products might include:
1. LM2596 from Texas Instruments
2. MP1584 from Monolithic Power Systems
3. LMR36015 from Texas Instruments
4. LT8610 from Analog Devices
5. XL4015 from XLSEMI
Comparability depends on specific requirements like input/output voltage range, current rating, and efficiency. Always verify specifications to ensure compatibility.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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