LTC3869EUF#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High Efficiency - Wide Input Voltage Range - Low Quiescent Current - Adjustable Output Voltage - Synchronous Rectification - Overcurrent Protection - Thermal Shutdown Protection

Package: 24-Lead Plastic QFN (4mm x 5mm)

Essence: The LTC3869EUF#PBF is a power management integrated circuit designed for high efficiency and low quiescent current operation. It offers a wide input voltage range and adjustable output voltage, making it suitable for various applications.

Packaging/Quantity: The LTC3869EUF#PBF is available in a 24-lead plastic QFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Maximum Continuous Output Current: 20A
• Switching Frequency: Up to 2MHz
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3869EUF#PBF has a total of 24 pins. Here is the detailed pin configuration:

1. VIN: Input Voltage
2. PGND: Power Ground
3. SW: Switch Node Connection
4. BST: Bootstrap Capacitor Connection
5. SS/TRK: Soft-Start/Tracking Control
6. VFB: Feedback Voltage Input
7. COMP: Compensation Node
8. FBADJ: Feedback Voltage Adjustment
9. RT/CLKOUT: Oscillator Resistor/ Clock Output
10. SYNC/MODE: External Synchronization/ Mode Selection
11. CLKIN: Clock Input
12. SS/TRK: Soft-Start/Tracking Control
13. VCC: Supply Voltage
14. PGND: Power Ground
15. PGND: Power Ground
16. PGND: Power Ground
17. PGND: Power Ground
18. PGND: Power Ground
19. PGND: Power Ground
20. PGND: Power Ground
21. PGND: Power Ground
22. PGND: Power Ground
23. PGND: Power Ground
24. PGND: Power Ground

Functional Features

1. High Efficiency: The LTC3869EUF#PBF offers high efficiency power conversion, minimizing energy loss.
2. Wide Input Voltage Range: It can handle input voltages ranging from 4.5V to 60V, making it suitable for a wide range of applications.
3. Low Quiescent Current: The IC has a low quiescent current of only 50µA, reducing power consumption during standby or idle modes.
4. Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 55V, providing flexibility for different system requirements.
5. Synchronous Rectification: The IC utilizes synchronous rectification to improve overall efficiency and reduce power dissipation.
6. Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit and connected devices from excessive current flow.
7. Thermal Shutdown Protection: The LTC3869EUF#PBF includes thermal shutdown protection to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Low quiescent current - Adjustable output voltage - Synchronous rectification - Overcurrent protection - Thermal shutdown protection

Disadvantages: - None identified

Working Principles

The LTC3869EUF#PBF operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes high-frequency switching to regulate the output voltage efficiently. The IC incorporates various control mechanisms such as feedback loops, compensation networks, and protection circuits to ensure stable and reliable power delivery.

Detailed Application Field Plans

The LTC3869EUF#PBF can be used in various applications, including but not limited to: - Industrial equipment - Automotive systems - Telecommunications infrastructure - Power distribution systems - Renewable energy systems - Consumer electronics

Detailed and Complete Alternative Models

1. LTC3869EUH#PBF: Similar to LTC3869EUF#PBF, but available in a 36-Lead Plastic QFN package.
2. LTC3869EMSE#PBF: Similar to LTC3869EUF#PBF, but available in a 16-Lead Plastic MSOP package.
3. LTC3869IUF#PBF: Similar to LTC3869EUF#PBF, but designed for industrial temperature range (-