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TEA1751LT
Plastic PDSO16 Package
TEA1751LT
Plastic PDSO16 Package
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TEA1751LT DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The TEA1751LT is a highly integrated switch mode power supply IC produced by NXP Semiconductors. It is designed for use in high-efficiency flyback converters with input voltage ranging from 70V to 350V, making it suitable for a wide range of applications such as home appliances, industrial equipment, and LED lighting.Key features of the TEA1751LT include a built-in 650V high-voltage power MOSFET, which allows for high efficiency and low standby power consumption. The IC also features an integrated current sense, allowing for accurate output current regulation and protection against overcurrent conditions.The TEA1751LT offers a comprehensive set of protection features, including overvoltage protection, overcurrent protection, and thermal shutdown. It also includes a built-in soft-start function to ensure a smooth start-up of the power supply.In terms of packaging, the TEA1751LT is available in a slim SMD package, making it easy to integrate into compact designs.
Key Features
- Wide input voltage range of 3.7V to 25V
- Integrated 700V MOSFET for flyback topology
- Supports primary-side regulation and secondary-side regulation
- Low standby power consumption
- Adaptive zener for high efficiency at heavy/light load
- Adjustable output voltage with internal 700V rating
Application
- External AC-DC adapters
- Set-top boxes
- LED lighting
- Portable audio systems
- Home appliances
- Industrial equipment
- Telecommunication equipment
- Consumer electronics
- Smart meters
- Power supply for USB Type-C
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Active | Part Package Code | SOIC |
| Pin Count ! | 16 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | SWITCHING CONTROLLER | Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | Input Voltage-Max | 650 V |
| Input Voltage-Min | 9 V | Input Voltage-Nom | 20 V |
| JESD-30 Code | R-PDSO-G16 | Length | 9.9 mm |
| Number of Functions | 1 | Number of Terminals | 16 |
| Output Voltage-Nom | 2.5 V | Package Body Material | PLASTIC/EPOXY |
| Package Code | SOP | Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
| Qualification Status ! | Not Qualified | Seated Height-Max | 1.75 mm |
| Surface Mount ! | YES | Switcher Configuration | SINGLE |
| Switching Frequency-Max | 150 kHz | Technology | BCDMOS |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 1.27 mm |
| Terminal Position | DUAL | Width | 3.9 mm |
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 TEA1751LT?
The TEA1751LT is a synchronous step-down DC-DC converter designed by NXP Semiconductors. It is designed for high efficiency power conversion in various applications such as consumer electronics, industrial equipment, and automotive systems.
How Does TEA1751LT Work?
The TEA1751LT operates by converting a higher input voltage to a lower output voltage with high efficiency. It utilizes a synchronous buck converter topology to regulate the output voltage while minimizing power losses. The converter features a pulse-width modulation (PWM) controller and an integrated power MOSFET for compact and efficient power conversion.
How Many Pins does TEA1751LT have and What are the Functions of the Pinout Configuration?
The TEA1751LT is housed in a PowerSO20 package. The pinout configuration includes:
- VCC: Supply voltage input.
- GND: Ground connection.
- DRV: Gate driver output.
- PGND: Power ground.
- FB: Feedback input for voltage regulation.
- EN: Enable pin.
- COMP: Compensation pin.
- SS/TR: Soft-start/tracking pin.
- VSENSE: Voltage sense pin.
- ILIMIT: Current limit programming pin.
What are the Pros and Cons of TEA1751LT?
Pros:
- High Efficiency: Synchronous buck converter for efficient power conversion.
- Integrated MOSFET: Compact design with integrated power MOSFET.
- Wide Input Voltage Range: Suitable for various input voltage levels.
- Protection Features: Includes overtemperature and overcurrent protection.
- Adjustable Soft-Start: Allows for controlled startup and handling of inrush current.
Cons:
- Complexity: Requires careful consideration of external components and layout for optimal performance.
- Package Size: PowerSO20 package may require more board space compared to smaller packages.
- Cost: Higher integration and features may result in a higher cost compared to simpler converters.
Are There Any Equivalents/Alternatives to TEA1751LT for Recommendation?
- The LM22678 from Texas Instruments is a comparable synchronous buck converter.
- Alternatives to the TEA1751LT include the LT8610 from Analog Devices and the IR3899 from Infineon.
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