LT8711IUDC#PBF

Product Overview

Category

LT8711IUDC#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8711IUDC#PBF is primarily used as a synchronous step-down switching regulator.

Characteristics

• High efficiency
• Wide input voltage range
• Adjustable output voltage
• Synchronous rectification
• Low quiescent current
• Programmable soft-start
• Overvoltage protection
• Thermal shutdown

Package

The LT8711IUDC#PBF comes in a 16-pin QFN package.

Essence

The essence of LT8711IUDC#PBF lies in its ability to efficiently convert high input voltages to lower output voltages, making it suitable for various power supply applications.

Packaging/Quantity

The LT8711IUDC#PBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 80V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Switching Frequency: Up to 750kHz
• Quiescent Current: 20µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. SYNC: Synchronization pin
7. VCC: Supply voltage pin
8. PGND: Power ground pin
9. BST: Bootstrap pin
10. EN: Enable pin
11. RT: Timing resistor pin
12. CT: Timing capacitor pin
13. SS/TR: Soft-start/Tracking pin
14. VOUT: Output voltage pin
15. PG: Power good pin
16. NC: No connection pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency conversion minimizes power loss.
• Synchronous rectification improves overall performance.
• Programmable soft-start enables controlled startup.
• Overvoltage protection safeguards against voltage spikes.
• Thermal shutdown prevents overheating.

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Programmable soft-start
• Overvoltage protection
• Synchronous rectification

Disadvantages

• Limited maximum output current (3A)
• Requires external timing components

Working Principles

The LT8711IUDC#PBF operates as a synchronous step-down switching regulator. It utilizes a high-frequency switching transistor to convert the input voltage to a lower output voltage. The synchronous rectification mechanism improves efficiency by reducing power losses during the switching process. The device also incorporates various protection features, such as overvoltage protection and thermal shutdown, to ensure safe and reliable operation.

Detailed Application Field Plans

The LT8711IUDC#PBF finds applications in various fields, including:

1. Automotive electronics: Power supply for infotainment systems, lighting modules, and motor control units.
2. Industrial automation: Powering sensors, actuators, and control systems.
3. Telecommunications: Voltage regulation for network equipment and communication devices.
4. Renewable energy: Power management for solar panels and wind turbines.
5. Consumer electronics: Power supply for portable devices, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

1. LT8710IUDC#PBF
2. LT8712IUDC#PBF
3. LT8713IUDC#PBF
4. LT8714IUDC#PBF
5. LT8715IUDC#PBF

These alternative models offer similar functionality and can be considered as substitutes for the LT8711IUDC#PBF in various applications.

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