LTC3860EUH#PBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Synchronous Step-Down DC/DC Controller
• Package: 32-Lead QFN (5mm x 5mm)
• Essence: Regulates and converts high voltage input to lower voltage output efficiently
• Packaging/Quantity: Tube packaging, 90 units per tube

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 20A
• Switching Frequency: Adjustable up to 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3860EUH#PBF features a 32-lead QFN package with the following pin configuration:

1. VIN: Input Voltage
2. PGND: Power Ground
3. SW: Switch Node Connection
4. VCC: Control Supply Voltage
5. SS: Soft-Start Capacitor Connection
6. FB: Feedback Voltage Input
7. COMP: Compensation Node
8. RT/CLKOUT: Oscillator Resistor/Clock Output
9. SYNC/MODE: External Clock Sync or Mode Selection
10. GATE: Gate Drive Output
11. AGND: Analog Ground
12. BOOT: Bootstrap Capacitor Connection
13. BST: Boost Voltage Input
14. VOUT: Output Voltage
15. ITH: Current Sense Threshold
16. OCSET: Overcurrent Protection Threshold
17. PGOOD: Power Good Indicator
18. SS/TRK: Soft-Start/Tracking Control
19. CLKIN: External Clock Input
20. CLKOUT: Clock Output

Functional Features

• High Efficiency: The LTC3860EUH#PBF offers up to 95% efficiency, ensuring minimal power loss during voltage conversion.
• Synchronous Step-Down: It operates as a synchronous step-down DC/DC controller, efficiently converting high input voltage to lower output voltage.
• Adjustable Switching Frequency: The switching frequency can be adjusted up to 1MHz, allowing flexibility in design and optimization for different applications.
• Overcurrent Protection: The OCSET pin enables overcurrent protection, safeguarding the system from excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and heat generation. - Wide input and output voltage range provide versatility in various applications. - Adjustable switching frequency allows optimization for different performance requirements. - Overcurrent protection enhances system reliability.

Disadvantages: - Limited maximum output current of 20A may not be suitable for high-power applications. - Requires external components for proper operation, increasing overall system complexity.

Working Principles

The LTC3860EUH#PBF operates on the principle of synchronous step-down conversion. It regulates the input voltage by controlling the duty cycle of the internal power switches. By efficiently converting the high input voltage to a lower output voltage, it minimizes power loss and maximizes energy transfer. The adjustable switching frequency allows for optimal performance based on specific application requirements.

Detailed Application Field Plans

The LTC3860EUH#PBF finds applications in various fields, including but not limited to:

1. Industrial Automation: Power management for motor control systems, PLCs, and industrial equipment.
2. Telecommunications: Voltage regulation for telecom infrastructure, base stations, and network equipment.
3. Automotive Electronics: Power supply for automotive infotainment systems, advanced driver-assistance systems (ADAS), and electric vehicle charging.
4. Renewable Energy: Efficient power conversion for solar inverters, wind turbines, and energy storage systems.
5. Consumer Electronics: Power management for laptops, tablets, gaming consoles, and other portable devices.

Detailed and Complete Alternative Models

1. LTC3860EUH#TRPBF: Similar to LTC3860EUH#PBF but available in tape and reel packaging.
2. LTC3860IUH#PBF: 36-Lead QFN package variant with similar specifications and features.
3. LTC3860CUH#PBF: 28-Lead QFN package variant with similar specifications and features.

These alternative models offer similar functionality and characteristics, providing options for different packaging preferences or space constraints.

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