Overview
The LTC4234HWHH#PBF is a high-performance hot swap controller designed by Analog Devices Inc. This component is specifically engineered to manage the insertion and removal of circuit boards or modules in live backplanes, ensuring safe and reliable operation. It protects the system from inrush currents, voltage spikes, and other transient conditions that could occur during hot swapping.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 38-QFN (5x9) |
| Number of Channels | 1 |
| Current Limit | 20A Guaranteed SOA (Safe Operating Area) |
| Operating Temperature Range | -40°C to 125°C |
| Voltage Range | Up to 80V |
| Inrush Current Limiting | Yes |
| Overcurrent Protection | Yes |
| Short-Circuit Protection | Yes |
Key Features
- Guaranteed 20A Safe Operating Area (SOA)
- Inrush current limiting to prevent system overload during board insertion
- Overcurrent and short-circuit protection to ensure system reliability
- Adjustable current limit and fault timing
- Integrated charge pump for high-side N-channel MOSFET gate drive
- Compact 38-lead QFN package (5x9 mm)
Applications
The LTC4234HWHH#PBF is suitable for various applications requiring hot swap functionality, including:
- Data centers and server systems
- Telecommunication equipment
- Industrial control systems
- Medical devices requiring high reliability and safety
- Any system where live board insertion and removal are necessary
Q & A
- What is the primary function of the LTC4234HWHH#PBF?
The primary function is to manage the insertion and removal of circuit boards or modules in live backplanes, protecting the system from inrush currents and other transient conditions. - What is the maximum current rating of the LTC4234HWHH#PBF?
The maximum current rating is 20A Guaranteed SOA. - What type of package does the LTC4234HWHH#PBF come in?
The component comes in a 38-QFN (5x9 mm) package. - Does the LTC4234HWHH#PBF have overcurrent protection?
Yes, it includes overcurrent and short-circuit protection. - What is the operating temperature range of the LTC4234HWHH#PBF?
The operating temperature range is -40°C to 125°C. - Can the current limit be adjusted on the LTC4234HWHH#PBF?
Yes, the current limit and fault timing are adjustable. - What type of MOSFET does the LTC4234HWHH#PBF support?
It supports high-side N-channel MOSFETs with an integrated charge pump for gate drive. - In which applications is the LTC4234HWHH#PBF commonly used?
Common applications include data centers, telecommunication equipment, industrial control systems, and medical devices. - Does the LTC4234HWHH#PBF have inrush current limiting?
Yes, it includes inrush current limiting to prevent system overload during board insertion. - Where can I find detailed specifications for the LTC4234HWHH#PBF?
Detailed specifications can be found on the datasheet available from sources like Digi-Key, Mouser Electronics, and the official Analog Devices website.
