LTC3858EUFD-1#PBF

Product Overview

Category

The LTC3858EUFD-1#PBF 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 LTC3858EUFD-1#PBF 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 and accurate response to sudden changes in load conditions.
• Low quiescent current: The LTC3858EUFD-1#PBF consumes minimal standby power when not actively regulating voltage.

Package

The LTC3858EUFD-1#PBF is available in a compact and industry-standard 28-pin QFN package. This package ensures efficient heat dissipation and ease of integration into various circuit designs.

Essence

The essence of the LTC3858EUFD-1#PBF 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 or tubes, with each reel/tube containing a specific quantity of LTC3858EUFD-1#PBF ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4V to 38V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 10A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3858EUFD-1#PBF features a 28-pin QFN package with the following pin configuration:

1. VIN: Input voltage
2. GND: Ground reference
3. VOUT: Output voltage
4. FB: Feedback pin for voltage regulation
5. COMP: Compensation pin for stability control
6. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout control
7. SYNC: Synchronization input for external clock
8. RT/CLKOUT: External resistor for frequency control or clock output
9. CLKIN: External clock input
10. PGND: Power ground reference

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Functional Features

• Voltage Regulation: The LTC3858EUFD-1#PBF provides precise voltage regulation, ensuring stable power supply to connected devices.
• Current Limiting: It incorporates current limiting functionality to protect both the IC and the load from excessive currents.
• Overtemperature Protection: This IC includes built-in protection mechanisms to prevent overheating and ensure safe operation.
• Fault Detection: The LTC3858EUFD-1#PBF can detect various fault conditions, such as overvoltage or undervoltage, and respond accordingly.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life.
• Wide input voltage range allows for versatile application in different systems.
• Fast transient response ensures stable operation during load changes.
• Compact package facilitates integration into space-constrained designs.

Disadvantages

• May require additional external components for specific applications.
• Higher cost compared to simpler voltage regulators.

Working Principles

The LTC3858EUFD-1#PBF operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. By controlling the duty cycle of the switching signal, the IC regulates the output voltage according to the feedback received from the FB pin.

Detailed Application Field Plans

The LTC3858EUFD-1#PBF finds applications in various fields, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - Power supply modules - Portable electronic devices

In these applications, the LTC3858EUFD-1#PBF ensures stable and efficient power supply, contributing to the overall performance and reliability of the systems.

Detailed and Complete Alternative Models

• LTC3858EUFD: Similar to LTC3858EUFD-1#PBF, but without specific package options.
• LTC3858EUF: Similar functionality with a different package option (QFN-24).
• LTC3858IUFD: Similar to LTC3858EUFD-1#PBF, but with an extended operating temperature range (-40°C to 150°C).

These alternative models provide similar power management capabilities, allowing designers to choose the most suitable option for their specific requirements.

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