LTC4357IMS8#PBF

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LTC4357IMS8#PBF

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IC OR CTRLR N+1 8MSOP

  • Nhà sản xuấtCông ty Analog Devices Inc.

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Active
Type N+1 ORing Controller
FET Type N-Channel
Ratio - Input:Output N:1
Internal Switch(s) No
Delay Time - OFF 300 ns
Current - Supply 500 µA
Voltage - Supply 9V ~ 80V
Applications Redundant Power Supplies, Telecom Infrastructure
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP
Base Product Number LTC4357
Grade Automotive

Tổng quan

Description

The LTC4357IMS8#PBF is a high-performance, overvoltage protection and ideal diode controller from Analog Devices (formerly Linear Technology). It is designed to prevent excessive voltage from damaging sensitive circuits by disconnecting the load when the input voltage exceeds a set threshold. The device operates using an external N-channel MOSFET, allowing for efficient power management and minimal voltage drop across the load.
Key features include a wide input voltage range, adjustable overvoltage protection levels, and built-in fault reporting. The LTC4357 also supports reverse current blocking, making it suitable for applications like power management in telecommunications, automotive, and industrial systems. The compact SMD package (MSOP-8) facilitates easy integration into space-constrained designs.
This device is ideal for applications requiring robust protection against voltage spikes and maintaining efficient power delivery. For precise implementation, refer to the datasheet for detailed specifications, electrical characteristics, and application guidelines.

Equivalent

The LTC4357IMS8#PBF chip is a power path controller primarily used for hot swap applications. Equivalent products include the TPS24810 from Texas Instruments, the MAX5933 from Maxim Integrated, and the MIC2026 from Microchip Technology. These alternatives offer similar functionalities, such as over-voltage protection and current limiting in power management applications. Always verify specifications and features to ensure compatibility for your specific use case.

Features

The LTC4357IMS8#PBF is a high-performance, ideal diode controller designed to provide efficient power management in applications such as power backup and hot-swapping. Key features include:
1. Ideal Diode Operation: Reduces voltage drop across the switch, minimizing power loss.
2. Wide Input Voltage Range: Operates from 2.5V to 60V, suitable for various applications.
3. Low Quiescent Current: Ensures efficient operation in battery-powered applications.
4. Reverse Current Protection: Prevents backflow of current, protecting the system.
5. Adjustable Gate Drive: Compatible with external MOSFETs for load handling.
6. Fast Transient Response: Quickly adapts to load changes, enhancing system performance.
7. Thermal Shutdown: Offers protection against overheating.
8. Compact Package: Available in an 8-lead MSOP, facilitating space-constrained designs.
These features make the LTC4357IMS8#PBF ideal for applications requiring efficient power routing and protection.

Pinout

The LTC4357IMS8#PBF is an overvoltage protection controller with an 8-pin MSOP package. It features several key functionalities:
1. Pin Count: 8 pins.
2. Functions:
- OVP (Overvoltage Protection): Monitors input voltage and disconnects the load when an overvoltage condition is detected.
- Control Inputs: Includes pins for adjusting overvoltage thresholds and enabling/disabling the device.
- Power MOSFET Drive: Controls external MOSFETs to manage load disconnection.
- Fault Indication: Provides an output to signal when a fault condition occurs.
- Timing Capacitor: Allows for adjustable fault response time.
Key pins include VIN (input voltage), VOUT (output voltage), GND (ground), and additional pins for fault handling and control. The LTC4357 is designed for automotive and industrial applications requiring robust voltage protection.

Manufacturer

The LTC4357IMS8#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves a range of industries, including communications, healthcare, automotive, and industrial applications. Analog Devices is known for its innovative products that enhance signal processing capabilities, offering solutions for power management, data conversion, and sensing. The LTC4357, specifically, is a high-voltage ideal diode controller, which is used in applications requiring efficient power management.

Application

The LTC4357IMS8#PBF is a high-performance voltage monitor designed for applications in power management. Its key application areas include:
1. Hot Swap Controllers: Facilitating safe insertion and removal of cards in live systems without disrupting power.
2. Power Distribution Systems: Monitoring and controlling power delivery to prevent faults and ensure stability.
3. Industrial Equipment: Enhancing reliability in machinery by managing power sequencing and protecting against overvoltage conditions.
4. Telecommunications: Ensuring stable power supply for communication devices and network infrastructure.
5. Battery Management Systems: Protecting batteries from overvoltage and ensuring optimal performance in various devices.
Overall, it enhances safety and reliability in electronic systems.

Package

The LTC4357IMS8#PBF is packaged in an 8-lead MSOP (Mini Small Outline Package) format. This package type is designed for compact applications, offering a small footprint and low profile.

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