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LTC4261CGN

Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring; Package: SSOP; No of Pins: 28; Temperature Range: 0°C to +70°C

Hersteller : Analog Devices, Inc
Verpackung/Behälter : SSOP28
Produkt der Kategorien : PMIC - Hot Swap
Datasheet: LTC4261CGN Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
Lagerbestand: 113

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LTC4261CGN Beschreibung

The LTC4261/LTC4261-2 negative voltage Hot Swap™ controllers allow a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, the board supply voltage can be ramped at an adjustable rate. The devices feature independently adjustable inrush current and overcurrent limits to minimize stresses on the pass transistor during start-up, input step and output short conditions. The LTC4261CGN defaults to latch-off while the LTC4261-2 defaults to auto-retry on overcurrent faults.

An I2C interface and onboard 10-bit ADC allow monitoring of board current, voltage and fault status. A single-wire broadcast mode is available to simplify the interface by eliminating two optoisolators.

The controllers have additional features to interrupt the host when a fault has occurred, notify when output power is good, detect insertion of a board and turn off the pass transistor if an external supply monitor fails to indicate power good within a timeout period.

LTC4261CGN

Feature

  • Allows Safe Insertion into Live –48V Backplanes
  • 10-Bit ADC Monitors Current and Voltages
  • I2C/SMBus Interface or Single-Wire Broadcast Mode
  • Floating Topology Allows Very High Voltage Operation
  • Independently Adjustable Inrush and Overcurrent Limits
  • Controlled Soft-Start Inrush
  • Adjustable UV/OV Thresholds and Hysteresis
  • Sequenced Power Good Outputs with Delays
  • Adjustable Power Good Input Timeout
  • Programmable Latchoff or Auto-Retry After Faults
  • Alerts Host After Faults
  • Available in 28-Lead Narrow SSOP and 24-Lead (4mm × 5mm) QFN Packages

Anwendungen

  • AdvancedTCA Systems
  • Telecom Infrastructure
  • –48V Distributed Power Systems
  • Power Monitors

LTC4261CGN Pinout
(Bild: Pinout)

LTC4261CGN Block Diagram
(Bild: Diagram)

Technische Parameter

  • Circuit Breakers
  • 1
  • Vin Range
  • -12V to -100V
  • Circuit Breaker Threshold
  • 50mV
  • Circuit Breaker Accuracytyp | %
  • 10
  • Isupplytyp | A
  • 2m
  • Features
  • 10-bit ADC, Digital Interface
  • Comments
  • Negative voltage hot swap controller with ADC and I2C, Defaults to latchoff, -2 for Auto-Retry

LTC4261CGN Datasheet

LTC4261CGN Verwandte besondere

Ratings and Reviews (1)

  • 5 / 5
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  • **teph***
    2020-04-27

    Great price.

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We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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Garantien

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that LTC4261CGN is the original manufacturer or agent of ADI?
We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LTC4261CGN devices; we pay more attention to the channels and quality of LTC4261CGN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LTC4261CGN chips? Including ADI original factory information, PMIC - Hot Swap application, LTC4261CGN pictures?
You can use Jotrin's intelligent search engine, or filter by Hot Swap Controllers ; High Voltage Hot Swap Controllers category, or find it through Analog Devices, Inc Information page.
Q: Are the ADI's LTC4261CGN price and stock displayed on the platform accurate?
The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LTC4261CGN, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
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Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of LTC4261CGN?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LTC4261CGN we delivered, we will accept the replacement or return of the LTC4261CGN only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LTC4261CGN.
(3)The LTC4261CGN is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as LTC4261CGN datasheet pdf, LTC4261 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Analog Devices, Inc

ADI
Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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