LTC4252-2CMS The LTC4252-2CMS from LT is a negative voltage Hot Swap controller designed for safe board insertion and removal from live backplanes. It offers adjustable undervoltage and overvoltage protection.
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LTC4252-2CMS

Available from 1 distributors
Mfr Name: LT
LT
The LTC4252-2CMS from LT is a negative voltage Hot Swap controller designed for safe board insertion and removal from live backplanes. It offers adjustable undervoltage and overvoltage protection.
✓ Total Stock: 533 pcs

LTC4252-2CMS Available from 1 distributor

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533 pcs
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LTC4252-2CMS Specifications Quick View

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LTC4252-2CMS Description

Short technical summary and product information.

The LTC4252-2CMS is a negative voltage Hot Swap controller manufactured by LT, designed to allow safe insertion and removal of boards from a live backplane. This controller features a floating topology that permits very high voltage operation.

 

Key electrical features include adjustable undervoltage and overvoltage protection, which disconnect the load when the input supply exceeds the desired operating range. The output current is managed through three stages of current limiting: a timed circuit breaker, active current limiting, and a fast feedforward path to limit peak fault current. It also includes a programmable soft-start current limit and a programmable timer with drain voltage accelerated response.

 

The LTC4252-2CMS is available in an 8-pin MSOP package, suitable for surface mount applications. This device is part of the LTC4252 series of negative voltage Hot Swap controllers, offering automatic retry after a fault condition.

 

This component is ideal for applications requiring robust power management during board insertion and removal in systems operating with negative voltage rails, such as telecommunications equipment.

LTC4252-2CMS Quick Information

Product Type: Hot Swap Controller
Series: LTC4252
Canonical Name: LTC4252-2 Negative Voltage Hot Swap Controller
Subcategory: Power Management

LTC4252-2CMS Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LTC4252-2CMS Features

  • Allows safe board insertion and removal.
  • Features adjustable undervoltage/overvoltage protection.
  • Includes programmable soft-start current limit.
  • Available in 8-Pin MSOP package.
  • Automatic retry after fault.

LTC4252-2CMS Applications

  • Ideal for live backplane connections.
  • Suitable for negative voltage systems.
  • Used in power management circuits.
  • Protects against fault conditions.

LTC4252-2CMS FAQs

5 frequently asked questions generated from this part’s specifications.
What package type does the LTC4252-2CMS utilize?

It utilizes a compact MSOP surface mount package.

How does the LTC4252-2CMS handle current limiting?

It employs active current limiting combined with a timed circuit breaker and a fast feedforward path.

Is the soft-start current limit adjustable on this controller?

Yes, the soft-start current limit is fully programmable to match specific load requirements.

What response characteristic does the internal timer provide?

The programmable timer features a drain voltage accelerated response for faster discharge cycles.

How does the device react to abnormal input voltages?

Adjustable undervoltage and overvoltage detectors automatically disconnect the load when input exceeds the operating range.

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