LTC4252-1CMS#PBF

Product Overview

Category

LTC4252-1CMS#PBF belongs to the category of power management integrated circuits (PMICs).

Use

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

Characteristics

• Supports IEEE 802.3af-compliant PoE applications.
• Provides a complete solution for PSE implementation.
• Offers advanced power management features.
• Operates with high efficiency and low power dissipation.
• Designed for reliable and robust performance.

Package

LTC4252-1CMS#PBF is available in a small MSOP-10 package, which ensures space-saving integration into various electronic devices.

Essence

The essence of LTC4252-1CMS#PBF lies in its ability to efficiently manage power in PoE systems, enabling reliable and safe operation of connected devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

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
• Package Type: MSOP-10

Detailed Pin Configuration

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. VOUT: Output voltage pin.
4. NC: No connection pin.
5. NC: No connection pin.
6. NC: No connection pin.
7. NC: No connection pin.
8. NC: No connection pin.
9. NC: No connection pin.
10. NC: No connection pin.

Functional Features

• Integrated detection and classification for PoE applications.
• Programmable current limit and undervoltage lockout.
• Overtemperature protection and fault detection.
• Automatic shutdown on fault conditions.
• Flexible control options for power management.

Advantages and Disadvantages

Advantages

• Compliance with IEEE 802.3af standards ensures compatibility with a wide range of PoE devices.
• Efficient power management minimizes energy waste and maximizes system reliability.
• Compact package allows for easy integration into space-constrained designs.
• Advanced features provide enhanced protection and fault detection capabilities.

Disadvantages

• Limited maximum output current may not be suitable for high-power PoE applications.
• Temperature range may restrict usage in extreme environmental conditions.

Working Principles

LTC4252-1CMS#PBF operates by receiving power from an external source and efficiently converting it to the required voltage level for PoE applications. It incorporates various control mechanisms to ensure safe and reliable power delivery, including current limiting, undervoltage lockout, and fault detection. The device continuously monitors the system and automatically shuts down in case of any abnormal conditions or faults.

Detailed Application Field Plans

LTC4252-1CMS#PBF finds extensive application in various PoE systems, such as: - IP cameras and surveillance systems - Wireless access points - VoIP phones - Network switches - Industrial automation equipment - IoT devices

Detailed and Complete Alternative Models

1. LTC4267-2IMS#PBF: Similar to LTC4252-1CMS#PBF, this PMIC offers advanced power management features for PoE applications. It comes in a compact MSOP-10 package and supports IEEE 802.3af-compliant PoE systems.
2. LT4275AEMS#PBF: This PMIC provides higher output current capability, making it suitable for high-power PoE applications. It also offers advanced protection features and comes in an MSOP-10 package.

(Note: The above alternative models are provided for reference purposes and may have different specifications and characteristics. It is recommended to consult the respective datasheets for detailed information.)

In conclusion, LTC4252-1CMS#PBF is a power management integrated circuit designed for PoE applications. Its compact size, advanced features, and compliance with industry standards make it a reliable choice for various power sourcing equipment implementations.