LTC7800EUDC#PBF

Product Overview

The LTC7800EUDC#PBF belongs to the category of high-performance synchronous step-down DC/DC controllers. It is designed for use in various power management applications, offering exceptional characteristics such as high efficiency, wide input voltage range, and flexible package options. The essence of this product lies in its ability to provide precise regulation of output voltage while minimizing power loss. The LTC7800EUDC#PBF is available in a 16-lead QFN package and is typically sold in reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 140V
• Output Voltage Range: 0.6V to 24V
• Maximum Duty Cycle: 90%
• Operating Temperature Range: -40°C to 125°C
• Switching Frequency Range: 100kHz to 750kHz
• Synchronization: Internal or External

Detailed Pin Configuration

The LTC7800EUDC#PBF features a 16-pin QFN package with the following pin configuration: 1. VIN: Input Voltage 2. PGND: Power Ground 3. BOOT: Bootstrap Supply for High-Side Gate Drivers 4. BSTCAP: Bootstrap Capacitor Connection 5. SW: Switch Node Connection 6. VCC: Controller Supply Voltage 7. SS/TRK: Soft-Start/Tracking 8. FB: Feedback Input 9. COMP: Compensation Node 10. RT/CLKOUT: Clock Synchronization 11. SYNC/MODE: Synchronization/MODE Selection 12. GND: Signal Ground 13. PGOOD: Power Good Indicator 14. SS/TRK: Soft-Start/Tracking 15. ITH: Current Limit Threshold 16. VOUT: Output Voltage

Functional Features

• Wide Input Voltage Range
• High Efficiency Operation
• Flexible Synchronization Options
• Precision Voltage Regulation
• Programmable Soft-Start
• Adjustable Current Limit

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Input Voltage Range
• Precise Regulation
• Flexible Synchronization
• Compact Package Size

Disadvantages

• Higher Cost Compared to Non-Synchronous Controllers
• Additional External Components Required for Operation

Working Principles

The LTC7800EUDC#PBF operates on the principle of synchronous rectification, where it utilizes a pair of complementary MOSFETs to minimize conduction losses. By controlling the timing of these switches, the controller regulates the output voltage with high precision. Additionally, the device incorporates advanced control algorithms to optimize efficiency across varying load conditions.

Detailed Application Field Plans

The LTC7800EUDC#PBF is well-suited for a wide range of power management applications, including but not limited to: - Industrial Power Supplies - Automotive Electronics - Renewable Energy Systems - Telecom Infrastructure - Server and Data Center Equipment

Detailed and Complete Alternative Models

For those seeking alternative models with similar functionality, the following options are worth considering: - LT8705 - LTC3892 - LT8610

In conclusion, the LTC7800EUDC#PBF offers a compelling solution for demanding power management requirements, providing high efficiency, precise regulation, and flexibility in a compact package. Its wide input voltage range and advanced features make it an ideal choice for diverse applications in various industries.

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