LTC4354CS8#PBF

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LTC4354CS8#PBF

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仕様

属性 値
Part Status Active
Type Source Selector Switch
FET Type N-Channel
Ratio - Input: Output 2:1
Internal Switch(s) No
Delay Time - OFF 700 ns
Supply Current 1.2 mA
Voltage - Supply -48V
Applications -48V Dist Power Systems, AdvancedTCA® Systems
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO
Base Product Number LTC4354

概要

Description

The LTC4354CS8#PBF is a high-performance power path controller designed by Linear Technology (now part of Analog Devices). It is primarily used for managing power delivery in applications such as battery management systems and power routing in portable devices. The device features an adjustable power path that enables seamless transitions between multiple power sources, ensuring efficient power distribution and protection.
Key specifications include a maximum operating voltage of 60V, a low on-resistance for minimal power loss, and integrated reverse current protection to prevent back-feeding. The LTC4354 also provides fast transient response and allows for programmable overvoltage and undervoltage protection to safeguard connected circuits.
Its compact 8-lead MSOP package makes it suitable for space-constrained designs. The LTC4354 is commonly used in applications like solar power systems, automotive power management, and portable electronics where reliable power management is crucial. Overall, it is a versatile solution for efficient and safe power path management.

Equivalent

Equivalent products to the LTC4354CS8#PBF include the TPS2490 from Texas Instruments, the MAX13598 from Maxim Integrated, and the ADA4898 from Analog Devices. These alternatives may have similar functionality, such as over-voltage and under-voltage protection, but it's important to verify specifications like voltage ratings and current handling to ensure compatibility for your application.

Features

The LTC4354CS8#PBF is a hot swap controller designed for use in high-performance applications. Key features include:
1. Voltage Range: Operates with an input voltage range from 2.9V to 36V.
2. Fault Protection: Provides protection against overcurrent and reverse current conditions, enhancing system reliability.
3. Adjustable Current Limit: Features an adjustable current limit for flexible operation according to application needs.
4. Controlled Turn-On: Implements a controlled turn-on to minimize inrush current, protecting downstream components.
5. Fast Transient Response: Offers a fast transient response for quick recovery during load changes.
6. MOSFET Gate Drivers: Capable of directly driving external N-channel MOSFETs for optimal performance.
7. Thermal Shutdown: Includes thermal shutdown protection to prevent damage under overheating conditions.
8. Compact Package: Comes in an 8-lead SOIC package, suitable for space-constrained designs.
These features make the LTC4354 ideal for applications like telecom, industrial, and automotive systems where reliable power management is critical.

Pinout

The LTC4354CS8#PBF is an integrated circuit from Analog Devices designed for high voltage load sharing and over-voltage protection. It comes in an 8-pin MSOP (Mini Small Outline Package) with the following pin configuration:
1. VIN: Input supply voltage.
2. GND: Ground reference.
3. VOUT: Output voltage connection.
4. ISENSE: Current sense input for monitoring load current.
5. ILIM: Current limit set.
6. COMP: Compensation pin for stability.
7. EN: Enable pin to control the operation.
8. FAULT: Fault indication output.
The LTC4354 monitors input voltage and load conditions, enabling smooth load sharing between multiple power sources while protecting against over-voltage conditions. Its compact design and integrated features make it suitable for power management in various applications.

Manufacturer

The LTC4354CS8#PBF is manufactured by Analog Devices, Inc. (ADI), a prominent American multinational company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices is known for designing and producing a wide range of electronic components used in various applications, including telecommunications, industrial automation, automotive, consumer electronics, and healthcare.
The LTC4354 is a specialized IC designed for high-voltage load-sharing and voltage tracking, making it suitable for power management applications. Analog Devices focuses on innovation and engineering excellence, providing products that enhance performance and reliability in electronic systems. The company operates globally, catering to diverse markets and collaborating with other technology leaders to develop advanced solutions that meet the evolving needs of consumers and industries.

Application

The LTC4354CS8#PBF is a high-performance voltage tracking controller primarily used in power management applications. Key application areas include:
1. Hot Swap Controllers: Protects sensitive components by controlling the inrush current during board insertion or removal.
2. Power Distribution: Distributes power efficiently in systems with multiple power sources.
3. Telecommunications: Ensures reliable operation of communication equipment by managing power supply connections.
4. Industrial Automation: Used in machinery and control systems to safeguard against power faults.
5. Consumer Electronics: Enhances reliability in devices requiring power management during start-up.
Its features support safe operation and improve system reliability across these applications.

Package

The LTC4354CS8#PBF is packaged in an 8-lead MSOP (Mini Small Outline Package) with a surface mount configuration. This compact design is suitable for space-constrained applications.

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