Products > Integrated Circuits (ICs) > Power Management ICs > LM5116MHX
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LM5116MHX

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DC/DC Cntrlr Single-OUT Step Down 1000kHz 20-Pin HTSSOP EP T/R

  • Manufacturer :
  • TI
  • Package/Case :
  • HTSSOP20
  • Product Categories :
  • DC/DC Switching Controllers
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 0

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LM5116MHX Product Details

The LM5116MHX is a synchronous buck controller intended for step-down regulator applicationsfrom a high-voltage or widely varying input supply. The control method is based upon current modecontrol utilizing an emulated current ramp. Current mode control provides inherent linefeed-forward, cycle-by-cycle current limiting, and ease-of-loop compensation. The use of anemulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowingreliable control of very small duty cycles necessary in high-input voltage applications.

The operating frequency is programmable from 50 kHz to 1 MHz. The LM5116MHX drives externalhigh-side and low-side NMOS power switches with adaptive dead-time control. A user-selectable diodeemulation mode enables discontinuous mode operation, for improved efficiency at light loadconditions. A low quiescent current shutdown disables the controller and consumes less than 10 μAof total input current.

Additional features include a high-voltage bias regulator, automatic switch-over toexternal bias for improved efficiency, thermal shutdown, frequency synchronization, cycle-by-cyclecurrent limit, and adjustable line undervoltage lockout. The device is available in a powerenhanced HTSSOP-20 package featuring an exposed die attach pad to aid thermal dissipation.

LM5116MHX

Feature

  • Emulated Peak Current Mode
  • Wide Operating Range Up to 100 V
  • Low IQ Shutdown (< 10 μA)
  • Drives Standard or Logic Level MOSFETs
  • Robust 3.5-A Peak Gate Drive
  • Free-run or Synchronous Operation to 1 MHz
  • Optional Diode Emulation Mode
  • Programmable Output from 1.215 V to 80 V
  • Precision 1.5% Voltage Reference
  • Programmable Current Limit
  • Programmable Soft-Start
  • Programmable Line Undervoltage Lockout
  • Automatic Switch to External Bias Supply
  • HTSSOP-20 Exposed Pad
  • Thermal Shutdown
  • Create a Custom Design Using the LM5116 with the WEBENCH Power Designer

LM5116MHX Block Diagram
(Picture: Diagram)

Technical Parameters

  • Input Voltage
  • 6 V to 100 V
  • Switching Frequency
  • 50 kHz to 1 MHz
  • Output Voltage
  • 1.215 V to 80 V
  • Output Current
  • 3.5 A
  • Number of Outputs
  • 1
  • Maximum Operating Temperature
  • + 125 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • TSSOP-20 EP
  • Minimum Operating Temperature
  • - 40 C
  • Packaging
  • Reel
  • Series
  • LM5116
  • Factory Pack Quantity
  • 2500

LM5116MHX Documents

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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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1.We provide 90 days warranty.

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 LM5116MHX is the original manufacturer or agent of TI?
We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their LM5116MHX devices; we pay more attention to the channels and quality of LM5116MHX products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LM5116MHX chips? Including TI original factory information, DC/DC Switching Controllers application, LM5116MHX pictures?
You can use Jotrin's intelligent search engine, or filter by Semiconductors ; Power management ; DC/DC switching regulators category, or find it through TI brand manufacturer page.
Q: Are the TI's LM5116MHX price and stock displayed on the platform accurate?
The TI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LM5116MHX, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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 LM5116MHX?
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 LM5116MHX we delivered, we will accept the replacement or return of the LM5116MHX 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 LM5116MHX.
(3)The LM5116MHX 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 LM5116MHX datasheet pdf, LM5116 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

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