LT8631IFE#PBF

Product Overview

Category

LT8631IFE#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8631IFE#PBF is a high-efficiency, synchronous step-down DC/DC converter. It is designed to regulate a wide range of input voltages down to a lower output voltage.

Characteristics

• High efficiency: The LT8631IFE#PBF offers high efficiency over a wide input voltage range.
• Synchronous rectification: It utilizes synchronous rectification to minimize power losses.
• Adjustable output voltage: The output voltage can be adjusted using external resistors.
• Low quiescent current: The device has low quiescent current, making it suitable for battery-powered applications.
• Wide input voltage range: It can handle input voltages ranging from 3V to 100V.

Package

The LT8631IFE#PBF comes in an LQFN package, which stands for "Quad Flat No-Lead." This package provides good thermal performance and ease of soldering.

Essence

The essence of LT8631IFE#PBF lies in its ability to efficiently convert higher input voltages to lower output voltages while minimizing power losses.

Packaging/Quantity

The LT8631IFE#PBF is typically available in tape and reel packaging. Each reel contains a specific quantity of ICs, usually around 2500 units.

Specifications

• Input Voltage Range: 3V to 100V
• Output Voltage Range: Adjustable (based on external resistors)
• Maximum Output Current: 1A
• Switching Frequency: 200kHz to 2MHz
• Quiescent Current: 12μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8631IFE#PBF has a total of 16 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection
3. GND: Ground reference
4. FB: Feedback pin for output voltage regulation
5. VCC: Internal bias voltage supply
6. SYNC/MODE: Synchronization and mode selection pin
7. SS/TR/UVLO: Soft-start, tracking, and undervoltage lockout pin
8. PGND: Power ground reference

The remaining pins are used for various functions and connections within the IC.

Functional Features

• High efficiency conversion
• Synchronous rectification
• Adjustable output voltage
• Low quiescent current
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Adjustable output voltage
• Low quiescent current
• Overcurrent and thermal protection

Disadvantages

• Limited maximum output current (1A)
• Requires external resistors for output voltage adjustment

Working Principles

The LT8631IFE#PBF operates as a synchronous step-down DC/DC converter. It uses a high-frequency switching technique to efficiently convert higher input voltages to lower output voltages. The device incorporates synchronous rectification to minimize power losses during the conversion process. By adjusting the feedback voltage using external resistors, the output voltage can be set to the desired level.

Detailed Application Field Plans

The LT8631IFE#PBF finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Power management systems - Battery-powered devices - LED lighting

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the LT8631IFE#PBF: - LT8631HFE#PBF - LT8631MPFE#PBF - LT8631SFE#PBF - LT8631WFE#PBF

These alternative models provide options with different package types, temperature ranges, or additional features while maintaining the core functionality of a high-efficiency synchronous step-down DC/DC converter.

In conclusion, the LT8631IFE#PBF is a versatile integrated circuit that offers high efficiency, adjustable output voltage, and a wide input voltage range. Its compact LQFN package and various protection features make it suitable for a range of applications in different industries.