LTC4253BIGN#PBF High Voltage Hot Swap Controllers by Analog Devices

High Voltage Hot Swap Controllers
Status: Production
Series: LTC4253B
RoHS: Compliant
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The LTC4253B negative voltage Hot Swap™ controller allows a board to be safely inserted and removed from a live backplane. Output current is controlled by three stages of current-limiting: a timed circuit breaker, active current limiting and a fast feedforward path that limits peak current under worst-case catastrophic fault conditions. The LTC4253B latches off after a circuit fault.Adjustable undervoltage and overvoltage detectors disconnect the load whenever the input supply exceeds the desired operating range. The LTC4253B’s supply input is shunt-regulated, allowing safe operation with very high supply voltages. A multifunction timer delays initial start-up and controls the circuit breaker’s response time. The circuit breaker’s response time can be accelerated by sensing excessive MOSFET drain voltage, keeping the MOSFET within its safe operating area (SOA). An adjustable softstart circuit controls MOSFET inrush current at start-up.Three power good outputs are sequenced by an adjustable timer and two ENABLE inputs to enable external power modules at start-up or disable them if the circuit breaker trips. The LTC4253B improves the ruggedness of the LTC4253 shunt regulator. Notes LTC4253 LTC4253A Recommend LTC4253B for new designs LTC4253A-ADJ Recommend LTC4253B for new designs LTC4253B

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Alternative Descriptions

Hot Swap Controller 1-CH N-Channel Negative High Voltage 16-Pin SSOP N Tube | Richardson RFPD

LTC4253BIGN#PBF Semiconductors - ICs by Linear Technology

HOT SWAP CNTRL -48V 16SSOP

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Controller Applications -48V Distributed Power Systems Central Office Switching Negative Power Supply Control
Input Voltage -48V
Supply Voltage Min -
Supply Voltage Max -
Controller IC Case Style SSOP
No. of Pins 16Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Internal Switch Yes
Operating Temperature Range -40°C to +85°C

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LTC4253BIGN#PBF?

Additional datasheets, footprints and schematics for LTC4253BIGN#PBF are listed on our Part Details page. You can also find images and similar parts to LTC4253BIGN#PBF on this page.

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What category does LTC4253BIGN#PBF fall under?

The LTC4253BIGN#PBF is listed under High Voltage Hot Swap Controllers.

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Is the LTC4253BIGN#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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