LTC3851EMSE#TRPBF

Product Overview

Category

LTC3851EMSE#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices and systems to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The LTC3851EMSE#TRPBF offers high conversion efficiency, minimizing power losses during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Fast transient response: This IC provides quick response to sudden changes in load conditions, ensuring stable power delivery.
• Low quiescent current: It consumes minimal current when not actively regulating the output voltage, enhancing overall system efficiency.

Package

The LTC3851EMSE#TRPBF comes in a small MSOP-16 package, which allows for compact circuit designs and space-saving integration.

Essence

The essence of LTC3851EMSE#TRPBF lies in its ability to efficiently manage power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of LTC3851EMSE#TRPBF ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 38V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 10A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3851EMSE#TRPBF features a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VCC: Power supply pin for internal circuitry
4. SS: Soft-start capacitor connection pin
5. FB: Feedback voltage pin
6. COMP: Compensation pin for loop stability
7. RT/CLK: External resistor or clock input pin
8. SYNC: Synchronization input pin
9. PGND: Power ground pin
10. SW: Switching node pin
11. BOOT: Bootstrap capacitor connection pin
12. BST: Boost voltage output pin
13. VOUT: Output voltage pin
14. ITH: Current limit threshold pin
15. SS/TRK: Soft-start/tracking control pin
16. EN/UVLO: Enable/undervoltage lockout control pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency conversion minimizes power losses.
• Fast transient response ensures stable power delivery during load changes.
• Adjustable output voltage provides flexibility in system design.
• Integrated protection features safeguard against overcurrent, overvoltage, and overheating.

Advantages and Disadvantages

Advantages

• High efficiency operation reduces power consumption.
• Compact package enables space-saving designs.
• Wide input voltage range accommodates various power sources.
• Fast transient response ensures stable performance.
• Integrated protection features enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• Higher cost compared to non-integrated power management solutions.

Working Principles

The LTC3851EMSE#TRPBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The IC incorporates control circuitry that regulates the duty cycle of the switching signal, adjusting the output voltage accordingly. This control mechanism ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The LTC3851EMSE#TRPBF finds applications in various fields, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Renewable energy systems - Consumer electronics

In industrial automation systems, this IC can be used to regulate power supply voltages for motor drives, control systems, and sensors. In telecommunications equipment, it enables efficient power management for base stations, routers, and network switches. Automotive electronics benefit from the LTC3851EMSE#TRPBF's ability to regulate voltages for infotainment systems, lighting modules, and engine control units. Renewable energy systems, such as solar inverters and wind turbines, can utilize this IC for efficient power conversion. Lastly, consumer electronics like smartphones, tablets, and laptops can benefit from its voltage regulation capabilities.

Detailed and Complete Alternative Models

• LT8610: A similar IC with a higher maximum output current of 15A.
• LTC3862: Offers dual-channel operation for increased flexibility.
• LT8645S: Provides synchronous rectification for improved