LT3688EUF#PBF

Product Overview

Category

The LT3688EUF#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 and systems to regulate and control power supply, ensuring efficient and reliable operation.

Characteristics

• High efficiency: The LT3688EUF#PBF offers excellent power conversion efficiency, minimizing energy loss during operation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse power supply requirements.
• Low quiescent current: The IC has a low quiescent current, reducing power consumption when the load is light or idle.
• Overcurrent protection: It incorporates overcurrent protection mechanisms to safeguard the circuitry from damage due to excessive current flow.
• Thermal shutdown: The LT3688EUF#PBF includes thermal shutdown features that prevent overheating and ensure safe operation.

Package and Quantity

The LT3688EUF#PBF is available in a small form factor 4mm x 3mm DFN (Dual Flat No-Lead) package. It is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 1.24V to 33V
• Maximum Output Current: 2A
• Switching Frequency: Up to 2MHz
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3688EUF#PBF has the following pin configuration:

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| | | _______________ | | | | | | VIN | | GND | | | | | | SW | | FB | | | | | | LX | | COMP | | | | | | SS | | VOUT | |____________|_______________|__________| ```

Functional Features

• Wide input voltage range: The LT3688EUF#PBF can accept a wide range of input voltages, making it suitable for various power supply applications.
• High efficiency: This IC incorporates advanced power management techniques to achieve high conversion efficiency, reducing energy waste.
• Flexible output voltage: It allows for adjustable output voltage, enabling customization according to specific system requirements.
• Overcurrent protection: The IC includes overcurrent protection mechanisms that prevent damage to the circuitry in case of excessive current flow.
• Thermal shutdown: The LT3688EUF#PBF features thermal shutdown functionality, ensuring safe operation by preventing overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy utilization.
• Wide input voltage range enables compatibility with diverse power sources.
• Overcurrent protection safeguards the circuitry from potential damage.
• Thermal shutdown prevents overheating and ensures safe operation.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• The small form factor package may require careful handling during assembly.

Working Principles

The LT3688EUF#PBF operates as a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage using a combination of pulse width modulation (PWM) and feedback control mechanisms. The IC regulates the output voltage by adjusting the duty cycle of the internal switch, thereby controlling the energy transfer from the input to the output.

Application Field Plans

The LT3688EUF#PBF finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Alternative Models

• LT3688EUH#PBF: Similar to LT3688EUF#PBF but available in a different package (5mm x 4mm QFN).
• LT3688EMSE#PBF: Similar functionality as LT3688EUF#PBF but offered in a different package (MSOP-16).

These alternative models provide similar features and performance characteristics, allowing flexibility in choosing the most suitable option for specific design requirements.

In conclusion, the LT3688EUF#PBF is a highly efficient integrated circuit designed for power management applications. Its wide input voltage range, compact package, and advanced features make it an ideal choice for various electronic systems requiring reliable and regulated power supply.