LT1769IFE#PBF

Product Overview

Category

The LT1769IFE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to regulate and control power supply, ensuring efficient and reliable operation.

Characteristics

• The LT1769IFE#PBF offers high efficiency power conversion, making it suitable for energy-conscious applications.
• It provides a wide input voltage range, allowing flexibility in different power supply configurations.
• This IC incorporates advanced protection features, such as overvoltage and overcurrent protection, ensuring the safety of the connected devices.

Package

The LT1769IFE#PBF comes in a small form factor package, known as an Integrated Circuit Flatpack (ICFP). This package type is widely used in compact electronic devices due to its space-saving design.

Essence

The essence of the LT1769IFE#PBF lies in its ability to efficiently regulate and control power supply, enabling optimal performance of electronic devices.

Packaging/Quantity

The LT1769IFE#PBF is typically packaged in reels, containing a specified quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 0.8V to 34V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1769IFE#PBF has a total of 16 pins, each serving a specific function. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node connection
4. FB: Feedback pin for output voltage regulation
5. SYNC: Synchronization input pin
6. SS/TR: Soft-start/tracking control pin
7. VCC: Supply voltage pin
8. PGND: Power ground reference pin
9. COMP: Compensation pin for stability control
10. EN/UVLO: Enable/Undervoltage lockout control pin
11. RT: Timing resistor connection pin
12. CT: Timing capacitor connection pin
13. BST: Bootstrap capacitor connection pin
14. LX: Inductor connection pin
15. VOUT: Output voltage pin
16. ADJ: Output voltage adjustment pin

Functional Features

• High efficiency power conversion
• Wide input voltage range
• Overvoltage and overcurrent protection
• Adjustable output voltage
• Soft-start and tracking capability
• Synchronization with external clock signal

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows compatibility with various power sources
• Advanced protection features enhance device safety
• Adjustable output voltage provides flexibility in different applications
• Soft-start and tracking capability ensure smooth power-up sequences
• Synchronization feature enables coordination with other devices

Disadvantages

• Limited maximum output current may restrict usage in high-power applications
• Requires additional external components for proper operation
• Relatively higher cost compared to some alternative models

Working Principles

The LT1769IFE#PBF operates based on a switching regulator topology, specifically a buck converter. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output.

Detailed Application Field Plans

The LT1769IFE#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Industrial automation systems - Automotive electronics - Telecommunications equipment - Renewable energy systems

Detailed and Complete Alternative Models

1. LT1769IFE: Similar to LT1769IFE#PBF, but without the specified packaging option.
2. LT1769IFETRPBF: Same as LT1769IFE#PBF, but packaged in tape and reel format for automated assembly.
3. LT1769IFEPBF-ND: Alternative model available from a different distributor.

These alternative models offer similar functionality and specifications, providing options for different sourcing requirements.

In conclusion, the LT1769IFE#PBF is a highly efficient integrated circuit designed for power management applications. Its wide input voltage range, advanced protection features, and adjustable output voltage make it suitable for various electronic devices. While it has some limitations, such as limited maximum output current and additional external component requirements, its advantages outweigh these disadvantages. With its working principles based on a switching regulator topology, the LT1769IFE#PBF finds applications in diverse fields. Additionally, there are alternative models available to cater to different needs and sourcing preferences.