Encyclopedia Entry: 72V811L15PFI

Product Overview

Category

The 72V811L15PFI belongs to the category of integrated circuits (ICs) specifically designed for voltage regulation and power management.

Use

This IC is primarily used in electronic devices and systems that require precise voltage regulation, such as power supplies, battery chargers, and motor control circuits.

Characteristics

• Voltage Regulation: The 72V811L15PFI provides accurate voltage regulation with a maximum input voltage of 72V.
• Power Management: It offers efficient power management capabilities, ensuring optimal performance and energy efficiency.
• Package: This IC comes in a compact and industry-standard package, making it suitable for various applications.
• Essence: The 72V811L15PFI is an essential component in maintaining stable voltage levels and managing power consumption in electronic systems.
• Packaging/Quantity: It is typically available in tape-and-reel packaging, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: Up to 72V
• Output Voltage Range: Adjustable from 0.8V to 60V
• Maximum Output Current: 1.5A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN-16

Detailed Pin Configuration

The 72V811L15PFI features a QFN-16 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. EN: Enable pin
4. FB: Feedback pin
5. COMP: Compensation pin
6. VOUT: Output voltage pin
7. PGND: Power ground pin
8. SS/TR: Soft-start/Tracking pin
9. BST: Bootstrap pin
10. AGND: Analog ground pin
11. PG: Power good pin
12. SS/TR: Soft-start/Tracking pin
13. VCC: Supply voltage pin
14. AGND: Analog ground pin
15. AGND: Analog ground pin
16. AGND: Analog ground pin

Functional Features

• Voltage Regulation: The 72V811L15PFI ensures a stable and accurate output voltage, even under varying input conditions.
• Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow.
• Overtemperature Protection: This IC includes built-in protection against overheating, preventing damage to the device.
• Soft-Start: The soft-start feature allows for gradual power-up, reducing stress on the system during startup.

Advantages and Disadvantages

Advantages

• Wide Input Voltage Range: The 72V811L15PFI can handle input voltages up to 72V, making it suitable for various applications.
• High Efficiency: With efficiency levels of up to 95%, this IC minimizes power losses and maximizes energy utilization.
• Compact Package: The QFN-16 package offers a small footprint, enabling space-efficient designs.
• Comprehensive Protection: It incorporates multiple protection features, ensuring the safety and reliability of the system.

Disadvantages

• Limited Output Current: The maximum output current of 1.5A may not be sufficient for high-power applications.
• Temperature Constraints: The operating temperature range of -40°C to +85°C may limit its use in extreme temperature environments.

Working Principles

The 72V811L15PFI operates based on a feedback control mechanism. It continuously monitors the output voltage and adjusts the internal circuitry to maintain a stable output within the desired range. By comparing the feedback voltage with a reference voltage, the IC regulates the duty cycle of the internal switching converter, thereby controlling the output voltage.

Detailed Application Field Plans

The 72V811L15PFI finds applications in various fields, including: 1. Power Supplies: It is used in AC-DC and DC-DC power supplies for voltage regulation and power management. 2. Battery Chargers: This IC ensures precise charging voltage control in battery charging circuits. 3. Motor Control: It is employed in motor control circuits to regulate the voltage supplied to motors, ensuring smooth operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 72V811L15PFI include: - 72V812L15PFI - 72V810L15PFI - 72V813L15PFI

These models share comparable specifications and features, providing flexibility in choosing the most suitable option for specific applications.

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