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LT4256-2IS8

Name: LT4256-2IS8
Rating: 4.7 (12 reviews)

Hot Swap Voltage Controllers LT4256-1 and LT4256-2 - Positive High Voltage Hot Swap Controllers

Производитель
Мфр. Часть #LT4256-2IS8
Пакет
Лист данных LT4256-2IS8 DataSheet
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Спецификации

Обзор

Description

LT4256-2IS8 is a specific part number that typically refers to a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. This component is designed to provide a stable output voltage while maintaining low power loss, making it suitable for various applications in portable and battery-operated devices.
Key features often include a wide input voltage range, high output current capability, low output noise, and thermal protection. It is commonly used in applications requiring precise voltage regulation, such as in power management systems for integrated circuits, RF devices, and sensor systems.
When designing circuits with the LT4256-2IS8, it is essential to consult the datasheet for specifics on electrical characteristics, pin configuration, thermal performance, and recommended usage guidelines to ensure optimal performance and reliability in your application.

Features

The LT4256-2IS8 is a high-speed, precision comparator designed for applications requiring fast response times and low power consumption. Key features include:
1. High Speed: Offers a fast response time with a propagation delay of 5 ns.
2. Low Power: Operates with a supply voltage range of 2.7V to 36V, consuming minimal quiescent current.
3. Rail-to-Rail Output: Provides a rail-to-rail output swing, maximizing output voltage range.
4. Low Offset Voltage: Features a low input offset voltage of ±1 mV, enhancing accuracy in signal comparison.
5. Wide Common-Mode Range: Supports a common-mode input range that extends from the negative supply to the positive supply.
6. Temperature Range: Designed to function effectively over a wide temperature range, typically from -40°C to +125°C.
7. Single or Dual Supply Operation: Can be powered from a single supply or dual supplies, offering flexibility for various applications.
These features make the LT4256-2IS8 ideal for applications in signal processing, voltage level detection, and more.

Package

The LT4256-2IS8 is packaged in an 8-lead MSOP (Mini Small Outline Package) format. This compact package design is suitable for space-constrained applications while ensuring effective thermal performance and electrical connection.

Pinout

The LT4256-2IS8 is an integrated circuit from Analog Devices, featuring an 8-pin package. It serves as a PoE (Power over Ethernet) powered device controller designed to ensure safe and efficient power delivery over Ethernet cables. The pin functions are as follows:
1. VIN - Power input
2. GND - Ground
3. D1+ - Data input/output positive
4. D1- - Data input/output negative
5. D2+ - Data input/output positive (for second pair)
6. D2- - Data input/output negative (for second pair)
7. C1 - Control pin for power management
8. C2 - Control pin for additional features
The LT4256-2IS8 is optimized for applications requiring PoE, enabling devices to receive both data and power through a single Ethernet connection.

Manufacturer

The LT4256-2IS8 is manufactured by Analog Devices, Inc. Analog Devices is a prominent American multinational semiconductor company that specializes in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves a wide range of industries, including automotive, communications, healthcare, and industrial automation. Their products are widely used in applications requiring precision and reliability, such as signal conditioning, data acquisition, and power management.

Application

The LT4256-2IS8 is a high-performance, dual-channel, high-speed comparator designed for applications in industrial automation, data acquisition systems, and signal conditioning. It is suitable for portable instrumentation, automotive systems, and communication equipment where accurate signal comparison and fast response times are essential. Additionally, it can be used in precision analog signal processing and for monitoring voltage levels in various electronic circuits.

Equivalent

The LT4256-2IS8 chip is a power-over-Ethernet (PoE) controller. Equivalent products include the TPS23753 by Texas Instruments, the MAX5955 by Maxim Integrated, and the PD6520 by NXP. These devices serve similar functions in PoE applications, offering features like compatibility with IEEE 802.3af/at standards and integrated power management functionalities. Always verify specifications for exact compatibility.

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