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LM5118Q1MHX/NOPB

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DC/DC Cntrlr Single-OUT Step Down/Step Up 500kHz Automotive 20-Pin HTSSOP EP T/R

  • Manufacturer :
  • TI
  • Package/Case :
  • TSSOP-20 EP
  • Product Categories :
  • DC/DC Switching Controllers
  • RoHs Status:
  • Rohs
  • In-stock:
  • 0

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LM5118Q1MHX/NOPB Product Details

The LM5118-Q1 widevoltage range Buck-Boost switching regulator controller features all of the functions necessary toimplement a high-performance, cost-efficient Buck-Boost regulator using a minimum of externalcomponents. The Buck-Boost topology maintains output voltage regulation when the input voltage iseither less than or greater than the output voltage, making it especially suitable for automotiveapplications. The LM5118-Q1operates as a buck regulator while the input voltage is sufficiently greater than the regulatedoutput voltage and gradually transitions to the buck-boost mode as the input voltage approaches theoutput. This dual-mode approach maintains regulation over a wide range of input voltages withoptimal conversion efficiency in the buck mode and a glitch-free output during mode transitions.This easy-to-use controller includes drivers for the high-side buck MOSFET and the low-side boostMOSFET. The regulators control method is based upon current mode control using an emulated currentramp. Emulated current mode control reduces noise sensitivity of the pulse-width modulationcircuit, allowing reliable control of the very small duty cycles necessary in high input voltageapplications. Additional protection features include current limit, thermal shutdown and an enableinput. The device is available in a power-enhanced, 20-pin HTSSOP package featuring an exposed dieattach pad to aid thermal dissipation.

LM5118Q1MHX/NOPB

Feature

  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESDClassification Level C6
  • Ultra-Wide Input Voltage Range From 3 V to 75 V
  • Emulated Peak Current Mode Control
  • Smooth Transition Between Step-Down and Step-Up Modes
  • Switching Frequency Programmable to 500 KHz
  • Oscillator Synchronization Capability
  • Internal High Voltage Bias Regulator
  • Integrated High and Low-Side Gate Drivers
  • Programmable Soft-Start Time
  • Ultra-Low Shutdown Current
  • Enable Input Wide Bandwidth Error Amplifier
  • 1.5% Feedback Reference Accuracy
  • Thermal Shutdown
  • Package: 20-Pin HTSSOP (Exposed Pad)
  • Create a Custom Design Using the LM5118-Q1 With theWEBENCH? Power Designer

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LM5118Q1MHX/NOPB Block Diagram
(Picture: Diagram)

Technical Parameters

  • Input Voltage
  • 3 V to 75 V
  • Switching Frequency
  • 500 kHz
  • Output Voltage
  • 1.23 V to 70 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
  • LM5118-Q1
  • Factory Pack Quantity
  • 2500

LM5118Q1MHX/NOPB Documents

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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 LM5118Q1MHXNOPB we delivered, we will accept the replacement or return of the LM5118Q1MHX/NOPB 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.
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