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LM3478QMMX/NOPB
  • LM3478QMMX/NOPB

Request Information For LM3478QMMX/NOPB

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LM3478QMMX/NOPB Overview

The LM3478Q-Q1 is a versatile Low-Side N-Channel MOSFET controller for switching regulators. It is suitable for use in topologies requiring a low side MOSFET, such as boost, flyback, SEPIC, etc. Moreover, the LM3478Q-Q1 can be operated at extremely high switching frequency in order to reduce the overall solution size. The switching frequency of the LM3478Q-Q1 can be adjusted to any value between 100 kHz and 1 MHz by using a single external resistor. Current mode control provides superior bandwidth and transient response, besides cycle-by-cycle current limiting. Output current can be programmed with a single external resistor.

The LM3478Q-Q1 has built in features such as thermal shutdown, short-circuit protection, over voltage protection, etc. Power saving shutdown mode reduces the total supply current to 5 μA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.

lm3478qmmx-nopb-1

Features

  • LM3478Q-Q1 is AEC-Q100 Qualified and Manufactured on an Automotive Grade Flow
  • 8-lead VSSOP-8
  • Internal Push-Pull Driver With 1-A Peak Current Capability
  • Current Limit and Thermal Shutdown
  • Frequency Compensation Optimized With a Capacitor and a Resistor
  • Internal Soft Start
  • Current Mode Operation
  • Undervoltage Lockout With Hysteresis
  • Create a Custom Design Using the LM3478 with the WEBENCH Power Designer

Product Parameters

  • genericPartNumber

    LM3478Q-Q1

  • partDescription

    40-V wide VIN low-side N-channel controller for switching regulators with 10-μA shutdown current

  • statusDescription

    This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

  • packageQtyCarrier

    3500|LARGE T&R

  • orderablePartNumber

    LM3478QMMX/NOPB

  • statusDisplay

    ACTIVE

  • packageQuantity

    3500

  • packagePins

    VSSOP (DGK)|8