TPS54540DDA
Conv DC-DC 4.5V to 42V Synchronous Step Down Single-Out 0.8V to 41.1V 5A 8-Pin HSOIC EP TubeTPS54540DDA
Conv DC-DC 4.5V to 42V Synchronous Step Down Single-Out 0.8V to 41.1V 5A 8-Pin HSOIC EP Tube
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Manufacturer Part # : TPS54540DDA
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Package/Case: HSOIC-8
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Part Status : ACTIVE
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - DC DC Switching Regulators
Quality Assurance
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Certification
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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TPS54540DDA DataSheet
Pricing (USD)
Quantity | Unit Price | Ext. Price |
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1 | $3.616 | $3.62 |
10 | $3.167 | $31.67 |
30 | $2.901 | $87.03 |
75 | $2.630 | $197.25 |
525 | $2.506 | $1,315.65 |
1500 | $2.451 | $3,676.50 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The TPS54540DDA is a highly efficient and reliable step-down regulator designed to meet the demands of modern electronic systems. With a maximum input voltage of 42V and a continuous output current of 5A, this device is well-suited for a wide range of applications. Its integrated high-side MOSFET allows for simplified design and improved system performance
![TPS54540DDA TPS54540DDA](/files/uploads/product/b/538fa6aa-6ca6-4154-2d78-08dbc6589f1f.webp)
Key Features
- High-Precision Timing and Synchronization Functions
- Fault-Tolerant Operation in Harsh Environments
- Precise Voltage Regulation with Fast Transient Response
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Vin (min) (V) | 4.5 | Vin (max) (V) | 42 |
Vout (min) (V) | 0.8 | Vout (max) (V) | 41.1 |
Iout (max) (A) | 5 | Iq (typ) (mA) | 0.146 |
Switching frequency (min) (kHz) | 100 | Switching frequency (max) (kHz) | 2500 |
Features | Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, UVLO adjustable | Operating temperature range (°C) | -40 to 125, 0 to 0 |
Rating | Catalog | Regulated outputs (#) | 1 |
Control mode | current mode | Duty cycle (max) (%) | 98 |
Type | Converter |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TPS54540DDA?
The TPS54540DDA is a highly efficient synchronous buck DC-DC converter designed by Texas Instruments. It is specifically designed for high-current, low-voltage applications in various electronic systems, including telecommunications, industrial, and consumer electronics.
How Does TPS54540DDA Work?
The TPS54540DDA operates as a synchronous buck converter that steps down input voltage to a lower output voltage with high efficiency. It utilizes pulse-width modulation (PWM) control to regulate the output voltage and current. The converter features integrated high-side and low-side power MOSFETs for improved efficiency and reduced component count.
How Many Pins does TPS54540DDA have and What are the Functions of the Pinout Configuration?
The TPS54540DDA is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- PH: Power input pin.
- BOOT: Bootstrap capacitor pin.
- SW: Switching node for the high-side MOSFET.
- PGND: Power ground pin.
- COMP: Compensation pin.
- SS/TR: Soft-start/tracking pin.
- FB: Feedback voltage pin.
- EN: Enable pin.
What are the Pros and Cons of TPS54540DDA?
Pros:
- High Efficiency: The synchronous buck converter design provides high efficiency and low power dissipation.
- Compact Size: The 8-pin SOIC package is space-efficient, making it suitable for small form factor applications.
- Integrated MOSFETs: Built-in high-side and low-side power MOSFETs simplify the design and reduce external components.
- Wide Input Voltage Range: Supports a wide input voltage range for versatile application scenarios.
- Adjustable Output: The output voltage can be easily adjusted via external components for flexibility.
Cons:
- External Components: May require additional external components such as input/output capacitors and inductors.
- Thermal Considerations: High-current applications may require thermal management to prevent overheating.
- Output Ripple: The converter's switching operation may introduce output ripple noise that needs to be considered.
Are There Any Equivalents/Alternatives to TPS54540DDA for Recommendation?
- The LM2676 from Texas Instruments is a similar synchronous buck converter with high efficiency.
- Alternatives to the TPS54540DDA include the MP2367 from Monolithic Power Systems and the LT1763 from Analog Devices.
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