LTC4251-1CS6#TRMPBF

Product Overview

Category

LTC4251-1CS6#TRMPBF belongs to the category of integrated circuits (ICs) used in power management.

Use

This product is primarily used for power sourcing equipment (PSE) applications, specifically in Power over Ethernet (PoE) systems.

Characteristics

• Integrated circuit
• Power management functionality
• Designed for PoE systems
• Small form factor package
• RoHS compliant

Package

LTC4251-1CS6#TRMPBF is packaged in a CS6 package, which refers to a 6-lead plastic small outline package (SOT-23).

Essence

The essence of LTC4251-1CS6#TRMPBF lies in its ability to provide efficient power management and control in PoE systems.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.5V to 57V
• Maximum Output Current: 400mA
• Operating Temperature Range: -40°C to 85°C
• Supply Voltage: 4.5V to 5.5V

Detailed Pin Configuration

LTC4251-1CS6#TRMPBF features the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. EN: Enable pin for controlling the device operation
4. FLT: Fault indicator output
5. PWRGD: Power good indicator output
6. VOUT: Output voltage

Functional Features

• Integrated IEEE 802.3af-compliant PD interface
• Supports detection, classification, and current limiting functions
• Provides accurate current limit and thermal shutdown protection
• Enables power management control through the EN pin
• Offers fault and power good indicator outputs

Advantages and Disadvantages

Advantages

• Compact package size allows for space-efficient designs
• Compliance with IEEE 802.3af standard ensures compatibility with PoE systems
• Accurate current limit and thermal shutdown protection enhance system reliability
• Power management control capability provides flexibility in operation

Disadvantages

• Limited maximum output current may restrict usage in high-power applications
• Operating temperature range may not be suitable for extreme environments

Working Principles

LTC4251-1CS6#TRMPBF operates based on the IEEE 802.3af standard for PoE systems. It integrates a PD interface that enables detection, classification, and current limiting functions. The device receives power from the PSE and regulates it to provide a stable output voltage. The EN pin allows for control of the device's operation, while the fault and power good indicator outputs provide status information.

Detailed Application Field Plans

LTC4251-1CS6#TRMPBF finds application in various PoE systems, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment

Detailed and Complete Alternative Models

Some alternative models to LTC4251-1CS6#TRMPBF include: - LTC4251-2CS6#TRMPBF - LTC4251-3CS6#TRMPBF - LTC4251-4CS6#TRMPBF - LTC4251-5CS6#TRMPBF

These models offer similar functionality but may have different specifications or package options.

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