LT3760EFE#PBF

Product Overview

Category

LT3760EFE#PBF belongs to the category of integrated circuits (ICs).

Use

The LT3760EFE#PBF is a high voltage, high efficiency synchronous buck-boost DC/DC controller. It is designed for use in various power supply applications.

Characteristics

• High voltage capability
• High efficiency operation
• Synchronous buck-boost topology
• Wide input voltage range
• Adjustable output voltage and current
• Programmable switching frequency
• Fault protection features

Package

LT3760EFE#PBF is available in a 28-lead TSSOP package.

Essence

The essence of LT3760EFE#PBF lies in its ability to efficiently regulate and convert DC voltages in both buck and boost configurations, making it suitable for a wide range of power supply applications.

Packaging/Quantity

LT3760EFE#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: -0.5V to 60V
• Switching Frequency Range: 100kHz to 500kHz
• Maximum Output Current: 4A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. SS: Soft-start pin for controlled startup
6. RT/CLK: External resistor/capacitor connection for switching frequency control
7. SYNC: Synchronization pin for external clock synchronization
8. VCC: Supply voltage pin
9. PGND: Power ground pin
10. SW: Switching node pin for power transfer
11. BST: Boost node pin for high voltage operation 12-28. NC: No connection pins

Functional Features

1. Buck and boost operation: The LT3760EFE#PBF can regulate output voltages higher or lower than the input voltage, providing flexibility in power supply design.
2. High efficiency: The synchronous buck-boost topology ensures efficient power conversion, minimizing energy losses.
3. Wide input voltage range: The IC can handle input voltages ranging from 4V to 60V, making it suitable for various applications.
4. Adjustable output voltage and current: The output voltage and current can be easily adjusted using external components.
5. Programmable switching frequency: The switching frequency can be programmed to optimize efficiency and minimize interference.
6. Fault protection features: The LT3760EFE#PBF incorporates various protection mechanisms such as overvoltage protection, undervoltage lockout, and thermal shutdown.

Advantages and Disadvantages

Advantages

• Versatile buck-boost operation
• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage and current
• Programmable switching frequency
• Comprehensive fault protection

Disadvantages

• Limited maximum output current (4A)

Working Principles

The LT3760EFE#PBF operates based on a synchronous buck-boost topology. It uses a combination of high-side and low-side switches to regulate the output voltage. By controlling the duty cycle of these switches, the IC can step up or step down the input voltage to achieve the desired output voltage. The switching frequency determines how quickly the switches toggle, allowing for efficient power transfer.

Detailed Application Field Plans

The LT3760EFE#PBF finds applications in various fields, including: - Automotive electronics - Industrial power supplies - LED lighting systems - Battery charging circuits - Portable devices

Detailed and Complete Alternative Models

1. LT3760EFE#TRPBF: Similar to LT3760EFE#PBF, but packaged in a 28-lead TSSOP package with tape and reel packaging.
2. LT3760EFE#PBF-ND: Same as LT3760EFE#PBF, available for purchase from authorized distributors.

These alternative models offer similar functionality and can be used as replacements for LT3760EFE#PBF in different applications.

Word count: 529 words