規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Hot Swap Controller |
| NumberofChannels | 1 |
| InternalSwitch(s) | No |
| Applications | General Purpose |
| Features | Auto Retry |
| ProgrammableFeatures | Current Limit, Fault Timeout, Slew Rate, UVLO |
| Voltage-Supply | 10.8V ~ 80V |
| OperatingTemperature | -40°C ~ 85°C |
| Current-Supply | 1.8 mA |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The LT4256-2IS8#TRPBF is a surge stopper IC designed for protecting electronic circuits from overvoltage transients. It is often used in applications where load protection from voltage spikes is critical, such as in automotive and industrial systems. This component can handle high-voltage surges by clamping the output to a safe level, thereby safeguarding downstream components.
Key features include adjustable overvoltage thresholds and a timer function that differentiates between transient and continuous overvoltage conditions. The device also provides a shutdown capability and can drive an external N-channel MOSFET for power regulation. Operating from a wide input voltage range, the LT4256-2IS8#TRPBF is robust and versatile, making it suitable for harsh environments.
Packaged in an 8-lead SOIC, this IC supports easy integration into existing designs. It is part of Linear Technology's (now Analog Devices) lineup, known for reliability and efficiency in power management solutions. Overall, the LT4256-2IS8#TRPBF is a vital component for enhancing system resilience against electrical surges.
Key features include adjustable overvoltage thresholds and a timer function that differentiates between transient and continuous overvoltage conditions. The device also provides a shutdown capability and can drive an external N-channel MOSFET for power regulation. Operating from a wide input voltage range, the LT4256-2IS8#TRPBF is robust and versatile, making it suitable for harsh environments.
Packaged in an 8-lead SOIC, this IC supports easy integration into existing designs. It is part of Linear Technology's (now Analog Devices) lineup, known for reliability and efficiency in power management solutions. Overall, the LT4256-2IS8#TRPBF is a vital component for enhancing system resilience against electrical surges.
Equivalent
The LT4256-2IS8#TRPBF is a hot swap controller from Analog Devices. Equivalent products from other manufacturers include:
1. MAX5935A from Maxim Integrated - A similar 2.7V to 13.2V hot swap controller.
2. TPS2490 from Texas Instruments - A comparable 2.5V to 20V hot swap controller.
3. ADM1171 from Analog Devices - A 2.7V to 16.5V hot swap controller.
These components offer similar functionality for power management and hot swap applications. Always cross-check the specifications to ensure compatibility with your specific application.
1. MAX5935A from Maxim Integrated - A similar 2.7V to 13.2V hot swap controller.
2. TPS2490 from Texas Instruments - A comparable 2.5V to 20V hot swap controller.
3. ADM1171 from Analog Devices - A 2.7V to 16.5V hot swap controller.
These components offer similar functionality for power management and hot swap applications. Always cross-check the specifications to ensure compatibility with your specific application.
Features
The LT4256-2IS8#TRPBF is a positive high-voltage hot swap controller designed by Analog Devices. It enables the safe insertion and removal of circuit boards into live backplanes, which is crucial in high-availability systems. Key features include:
1. Operating Voltage Range: Supports a wide input voltage range, typically up to 80V, making it suitable for various applications.
2. Inrush Current Control: Manages inrush current to prevent damage to components during hot swapping.
3. Overcurrent Protection: Detects and protects against overcurrent conditions, enhancing system reliability.
4. Programmable Features: Offers programmable current limit and soft-start functions, allowing customization for specific applications.
5. Fault Detection and Reporting: Provides fault detection mechanisms with status outputs for system monitoring.
6. Compact Package: Available in an 8-lead SOIC package, which saves space on the PCB.
7. Temperature Range: Industrial temperature range operation, typically from -40°C to 85°C.
These features make it ideal for telecommunications, server, and storage systems that require reliable hot swap capabilities.
1. Operating Voltage Range: Supports a wide input voltage range, typically up to 80V, making it suitable for various applications.
2. Inrush Current Control: Manages inrush current to prevent damage to components during hot swapping.
3. Overcurrent Protection: Detects and protects against overcurrent conditions, enhancing system reliability.
4. Programmable Features: Offers programmable current limit and soft-start functions, allowing customization for specific applications.
5. Fault Detection and Reporting: Provides fault detection mechanisms with status outputs for system monitoring.
6. Compact Package: Available in an 8-lead SOIC package, which saves space on the PCB.
7. Temperature Range: Industrial temperature range operation, typically from -40°C to 85°C.
These features make it ideal for telecommunications, server, and storage systems that require reliable hot swap capabilities.
Pinout
The LT4256-2IS8#TRPBF is an 8-pin Hot Swap controller designed to allow a board to be safely inserted and removed from a live backplane. Here is a concise description of its pin count and functions:
- Pin Count: 8 pins
- Pin Functions:
1. VCC: Power supply input.
2. SENSE: Current sensing input.
3. GATE: Drives the gate of an external N-channel MOSFET.
4. SOURCE: Connected to the source of the external MOSFET; provides feedback on the MOSFET's turn-on status.
5. TIMER: Timing capacitor connection for setting the time-out period.
6. FAULT: Open-drain output indicating fault conditions.
7. SHDN: Shutdown input; used to enable or disable the IC.
8. GND: Ground connection.
This IC is ideal for applications requiring high reliability and safe power management, such as servers and communication systems.
- Pin Count: 8 pins
- Pin Functions:
1. VCC: Power supply input.
2. SENSE: Current sensing input.
3. GATE: Drives the gate of an external N-channel MOSFET.
4. SOURCE: Connected to the source of the external MOSFET; provides feedback on the MOSFET's turn-on status.
5. TIMER: Timing capacitor connection for setting the time-out period.
6. FAULT: Open-drain output indicating fault conditions.
7. SHDN: Shutdown input; used to enable or disable the IC.
8. GND: Ground connection.
This IC is ideal for applications requiring high reliability and safe power management, such as servers and communication systems.
Manufacturer
The manufacturer of the LT4256-2IS8#TRPBF is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for a wide range of applications, including industrial, automotive, communication, healthcare, and consumer electronics. Known for its high-performance products, Analog Devices focuses on innovation and quality to meet the needs of various industries.
Application
The LT4256-2IS8#TRPBF is an integrated circuit designed for hot-swap and inrush current control applications. It is commonly used in systems where components are added or removed without disrupting power supply, such as in network servers, telecommunications equipment, and industrial systems. Its primary role is to manage the power-up sequence and protect against overcurrent conditions, making it suitable for use in hot-swappable power supplies and plug-in cards. Additionally, it can be applied in power distribution systems requiring precise control of startup current to prevent damage to components and ensure reliable operation.
Package
The LT4256-2IS8#TRPBF is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface-mounted devices and is known for its compact size and ease of manufacturing.
