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LM3478MM/NOPB +BOM

478MM/NOPB - N CH CONTROLLER: high efficiency low-side switching controller

LM3478MM/NOPB General Description

Featuring a current control mode and a maximum duty cycle of 100%, the LM3478MM/NOPB Pulse Width Modulation (PWM) Controller IC is designed for high-efficiency power supply applications. With an input voltage range of 2.95V to 40V, this controller offers flexibility for a variety of power sources. Its compatibility with leaded processes and RoHS compliance make it a reliable and environmentally friendly choice for electronic assemblies

Key Features

  • Step-up or step-down voltage regulation
  • Adjustable output voltage
  • Wide input voltage range of 2.95V to 36V
  • High efficiency up to 96%
  • Integrated soft-start function
  • Overcurrent and thermal shutdown protection
  • Small package size of 8-pin SOIC
  • Designed for use in industrial and automotive applications
  • Application

  • The LM3478MM/NOPB is commonly used in applications such as LED lighting, automotive lighting, portable electronics, and industrial controls
  • This high-efficiency synchronous buck regulator can step down voltage, regulate current, and maximize battery run time in battery-powered systems
  • Specifications

    Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 2.97
    Vin (max) (V) 40 Vout (min) (V) 1.26
    Vout (max) (V) 500 Regulated outputs (#) 1
    Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000
    Iq (typ) (mA) 2.7 Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Nonsynchronous rectification, Pre-Bias Start-Up
    Duty cycle (max) (%) 100 Rating Catalog
    Operating temperature range (°C) -40 to 125 Type Controller

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    In Stock: 6,385

    Minimum Order: 1

    Qty. Unit Price Ext. Price
    1+ $1.321 $1.32
    10+ $1.126 $11.26
    30+ $1.018 $30.54
    100+ $0.812 $81.20
    500+ $0.757 $378.50
    1000+ $0.732 $732.00

    The prices below are for reference only.