LTC4252A-1IMS#PBF

Product Overview

Category

The LTC4252A-1IMS#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used in power sourcing equipment (PSE) systems, which are responsible for providing power over Ethernet (PoE) to connected devices. It enables efficient and reliable power delivery in various network environments.

Characteristics

• Integrated circuit for power management
• Designed for PoE applications
• Efficient and reliable power delivery
• Suitable for different network environments

Package

The LTC4252A-1IMS#PBF comes in a small outline integrated circuit (SOIC) package. This package type ensures easy integration into electronic systems and provides mechanical stability.

Essence

The essence of the LTC4252A-1IMS#PBF lies in its ability to manage power efficiently and reliably in PoE systems. It ensures that connected devices receive the required power without compromising their performance or safety.

Packaging/Quantity

The LTC4252A-1IMS#PBF is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities suitable for both prototyping and production purposes.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 44V to 57V
• Maximum Output Current: 400mA
• Operating Temperature Range: -40°C to 85°C
• Power Dissipation: 1.5W
• Package Type: SOIC-8

Detailed Pin Configuration

The LTC4252A-1IMS#PBF has eight pins arranged as follows:

1. VDD - Power supply input
2. GND - Ground reference
3. VOUT - Output voltage
4. VEE - Negative supply voltage
5. NC - No connection
6. EN - Enable pin for device operation
7. FLT - Fault indication output
8. VIN - Input voltage

Functional Features

• Integrated power management functions
• Supports IEEE 802.3af/at compliant PoE systems
• Provides accurate current limit and fault protection
• Enables efficient power delivery to connected devices
• Offers fault indication for easy troubleshooting

Advantages and Disadvantages

Advantages

• Efficient and reliable power management
• Compliance with industry standards
• Accurate current limit and fault protection
• Compact package for easy integration
• Fault indication for quick troubleshooting

Disadvantages

• Limited maximum output current (400mA)
• Restricted input and output voltage ranges

Working Principles

The LTC4252A-1IMS#PBF operates by receiving an input voltage within the specified range and converting it into a regulated output voltage suitable for powering PoE devices. It incorporates various power management functions, including current limiting and fault protection, to ensure safe and efficient power delivery.

Detailed Application Field Plans

The LTC4252A-1IMS#PBF finds applications in a wide range of PoE systems, including:

1. IP cameras and surveillance systems
2. Wireless access points and routers
3. VoIP phones and communication devices
4. Industrial automation and control systems
5. IoT devices and sensors

In these applications, the LTC4252A-1IMS#PBF enables reliable power sourcing, ensuring uninterrupted operation of connected devices.

Detailed and Complete Alternative Models

1. LTC4260-1IMS#PBF: Similar power management IC with extended input voltage range.
2. LTC4274A-1IMS#PBF: Power management IC with higher maximum output current capability.
3. LTC4259A-1IMS#PBF: Integrated circuit for power management with enhanced fault protection features.

These alternative models offer similar functionalities to the LTC4252A-1IMS#PBF, providing flexibility in choosing the most suitable solution for specific PoE applications.

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