LTC3858EUH#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Wide Input Voltage Range - Adjustable Output Voltage - Synchronous Buck Converter

Package: 38-Lead QFN (Quad Flat No-Lead)

Essence: The LTC3858EUH#TRPBF is a high-performance synchronous buck converter IC used for power management applications. It offers high efficiency and a wide input voltage range, making it suitable for various electronic devices.

Packaging/Quantity: The LTC3858EUH#TRPBF is available in a 38-Lead QFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.6V to 55V
• Maximum Output Current: 20A
• Switching Frequency: Up to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3858EUH#TRPBF has a total of 38 pins. Here is a brief overview of the pin functions:

1. VIN: Input Voltage
2. PGND: Power Ground
3. SW1: Switch Node 1
4. SW2: Switch Node 2
5. VOUT: Output Voltage
6. FB: Feedback Voltage
7. COMP: Compensation Node
8. SS: Soft-Start Control
9. SYNC: Synchronization Input
10. RUN/SS/TRK: Run/Soft-Start/Tracking Control
11. EN/UVLO: Enable/Undervoltage Lockout Control
12. RT/CLKOUT: Oscillator Resistor/Timing Capacitor
13. CLKIN: Clock Input
14. VCC: Supply Voltage

For a complete pin configuration diagram, please refer to the LTC3858EUH#TRPBF datasheet.

Functional Features

• High Efficiency Conversion
• Adjustable Output Voltage
• Synchronous Rectification
• Overcurrent Protection
• Soft-Start Control
• Frequency Synchronization
• Enable/Shutdown Control
• Undervoltage Lockout

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile applications. - Adjustable output voltage provides flexibility. - Synchronous rectification improves overall performance. - Comprehensive protection features enhance reliability.

Disadvantages: - Complex pin configuration may require careful design considerations. - Higher cost compared to non-synchronous buck converters. - Limited maximum output current compared to some other models.

Working Principles

The LTC3858EUH#TRPBF operates as a synchronous buck converter, converting a higher input voltage to a lower output voltage efficiently. It utilizes high-frequency switching to regulate the output voltage while minimizing power losses. The integrated control circuitry ensures stable operation and protection against overcurrent and undervoltage conditions.

Detailed Application Field Plans

The LTC3858EUH#TRPBF is widely used in various applications, including but not limited to: - Industrial Power Supplies - Automotive Electronics - Telecommunications Equipment - Data Storage Systems - LED Lighting - Battery-Powered Devices

Its versatility and high-performance characteristics make it suitable for both low-power and high-power applications.

Detailed and Complete Alternative Models

1. LT8610ABEUJ#PBF: 42V, 2.5A Synchronous Buck Converter
2. LT8640SIV#PBF: 80V, 4A Synchronous Buck Converter
3. LT8609SIV#PBF: 42V, 2.5A Synchronous Buck Converter
4. LT8610EUJ#PBF: 42V, 2.5A Synchronous Buck Converter
5. LT8640EUJ#PBF: 80V, 4A Synchronous Buck Converter

These alternative models offer similar functionality and can be considered as alternatives to the LTC3858EUH#TRPBF depending on specific requirements.

In conclusion, the LTC3858EUH#TRPBF is a high-performance synchronous buck converter IC with a wide input voltage range and adjustable output voltage. It offers various advantages such as high efficiency, comprehensive protection features, and versatility in application fields. However, it has some limitations in terms of pin complexity, cost, and maximum output current. Overall, it is a reliable choice for power management applications in different industries.