圖片僅供參考

LT4275AIDD#TRPBF

Name: LT4275AIDD#TRPBF
Rating: 4.7 (12 reviews)

IC POE CNTRL 1 CHANNEL 10DFN

製造商
製造商。部分 #LT4275AIDD#TRPBF
包
資料表 LT4275AIDD#TRPBF DataSheet
有現貨的8197

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Part Status	Active
Type	Controller (PD)
Number of Channels	1
Power - Max	90 W
Internal Switch(s)	No
Auxiliary Sense	Yes
Standards	802.3at (PoE+), 802.3af (PoE), LTPoE++
Voltage - Supply	23V ~ 60V
Current - Supply	2mA (Max)
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	10-WFDFN Exposed Pad
Supplier Device Package	10-DFN (3x3)
Base Product Number	LT4275

概述

Description

The LT4275AIDD#TRPBF is a Power over Ethernet (PoE) powered device (PD) controller from Analog Devices, designed to simplify the implementation of PoE in powered devices. It supports IEEE 802.3af/at/bt standards, enabling devices to receive power and data over the same Ethernet cable. The LT4275A integrates features such as a high-efficiency power management system and built-in safety mechanisms to ensure reliable operation under varying load conditions.
Key features include a wide input voltage range, low power consumption, and compatibility with various Ethernet data rates. It also includes functions for fault detection, thermal regulation, and programmable power management, making it ideal for applications in IP cameras, wireless access points, and VoIP phones. The LT4275A is packaged in a compact form factor, facilitating easy integration into existing designs. Overall, it offers a robust solution for developers looking to power devices efficiently over Ethernet networks.

Features

The LT4275AIDD#TRPBF is a high-performance, low-power Power over Ethernet (PoE) powered device (PD) controller designed for efficient power management. Key features include:
1. IEEE 802.3af/at Compatible: Supports both PoE and PoE+, ensuring compatibility with standard Ethernet cables.
2. Low Quiescent Current: Minimizes power consumption during idle states.
3. Integrated Power Management: Includes built-in PFET switches for power path management.
4. Versatile Input Voltage Range: Accepts input voltages typically from 37V to 57V.
5. Simple Interface: Features a straightforward design for easy integration into systems.
6. Thermal Protection: Offers thermal shutdown and protection features to prevent overheating.
7. Compact Package: Housed in a 16-lead TSSOP package for space-efficient designs.
This device is ideal for applications requiring reliable power delivery over Ethernet, such as IP cameras, VoIP phones, and wireless access points.

Package

The LT4275AIDD#TRPBF comes in a 28-lead TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The LT4275AIDD#TRPBF is a Power over Ethernet (PoE) controller from Analog Devices. It features a 28-pin TSSOP package. This device is designed for high-power PoE applications, supporting both Type 3 and Type 4 PoE standards.
Key functions include:
- Detection of powered devices (PDs) to enable power negotiation.
- Classification of PDs to determine power requirements.
- Power management to ensure efficient delivery and protection against faults.
- Integrated MOSFET drivers for power switching.
The LT4275A also includes various protection features, such as overvoltage, overcurrent, and thermal protection, ensuring safe operation in PoE systems.

Manufacturer

The manufacturer of the LT4275AIDD#TRPBF is Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company primarily serves various industries, including telecommunications, automotive, healthcare, and industrial automation. Analog Devices is known for its high-performance semiconductor solutions that enable precise data conversion, signal processing, and power management, playing a crucial role in modern electronic systems.

Application

The LT4275AIDD#TRPBF is a Power over Ethernet (PoE) powered device (PD) controller, used in applications such as IP cameras, VoIP phones, wireless access points, and other networked devices requiring power and data via Ethernet cables. It enables efficient power management and simplifies integration into PoE systems, enhancing device performance and reliability in both commercial and industrial settings.

Equivalent

The LT4275AIDD#TRPBF is a Power over Ethernet (PoE) controller. Equivalent products include the Texas Instruments TPS23861, Microchip MCP8024, and the Maxim Integrated MAX5987. Always verify specifications and compatibility based on your specific application requirements before substituting components.