LTC7812EUH#TRPBF

Product Overview

Category

LTC7812EUH#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• High efficiency
• Wide input voltage range
• Low quiescent current
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown

Package

LTC7812EUH#TRPBF is available in a 28-pin QFN package.

Essence

The essence of LTC7812EUH#TRPBF lies in its ability to efficiently regulate and manage power in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 140V
• Output Voltage Range: 0.8V to 60V
• Quiescent Current: 50µA
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. FB: Feedback pin for output voltage regulation
5. EN: Enable pin for turning the device on/off
6. SS/TR: Soft-start/tracking pin
7. PGND: Power ground pin
8. SYNC: Synchronization pin for external clock
9. BST: Boost pin for high-side gate driver
10. SW: Switch node pin
11. AGND: Analog ground pin
12. COMP: Compensation pin for loop stability
13. RT/CLK: Resistor timing/clock synchronization pin
14. VCC: Supply voltage pin
15. VFB: Feedback voltage pin
16. VSENSE: Current sense pin
17. ITH: Threshold current pin
18. SS/TR2: Soft-start/tracking pin 2
19. PGND2: Power ground pin 2
20. SYNC2: Synchronization pin 2 for external clock
21. BST2: Boost pin 2 for high-side gate driver
22. SW2: Switch node pin 2
23. AGND2: Analog ground pin 2
24. COMP2: Compensation pin 2 for loop stability
25. RT/CLK2: Resistor timing/clock synchronization pin 2
26. VCC2: Supply voltage pin 2
27. VFB2: Feedback voltage pin 2
28. VSENSE2: Current sense pin 2

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Adjustable output voltage provides flexibility in system design.
• Overcurrent protection safeguards the circuit from damage.
• Thermal shutdown prevents overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage offers customization options.
• Overcurrent protection enhances system reliability.
• Thermal shutdown protects against overheating.

Disadvantages

• Limited availability of alternative models.
• Relatively high cost compared to some other power management ICs.

Working Principles

LTC7812EUH#TRPBF operates based on a switching regulator topology. It utilizes a high-frequency switching transistor to regulate the input voltage and provide a stable output voltage. The device employs a feedback mechanism to continuously monitor and adjust the output voltage, ensuring it remains within the desired range. By efficiently converting and managing power, LTC7812EUH#TRPBF optimizes energy usage in electronic systems.

Detailed Application Field Plans

LTC7812EUH#TRPBF finds applications in various fields, including: 1. Industrial automation 2. Automotive electronics 3. Renewable energy systems 4. Telecommunications 5. Consumer electronics

In industrial automation, this IC can be used to regulate power in motor control systems and factory automation equipment. In automotive electronics, it can be employed in electric vehicle powertrains and battery management systems. For renewable energy systems, LTC7812EUH#TRPBF can be utilized in solar inverters and wind turbine controllers. In telecommunications, it can be integrated into base stations and network infrastructure. Lastly, in consumer electronics, this IC can be found in power adapters, portable devices, and home appliances.

Detailed and Complete Alternative Models

While LTC7812EUH#TRPBF is a highly capable power management IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include:

1. TPS54332: This IC from Texas Instruments features a wide input voltage range and adjustable output voltage. It also offers overcurrent protection and thermal shutdown.