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UC3846N +BOM

Packaged in PDIP16

UC3846N General Description

The UC3846N is part of the UC1846/7 family of control devices, which are designed to implement fixed-frequency, current-mode control schemes with minimal external parts. This allows for improved line regulation, enhanced load response characteristics, and a simpler control loop design. The device also offers several topological advantages, such as pulse-by-pulse current limiting and automatic symmetry correction for push-pull converters. Additionally, it can be paralleled while maintaining equal current sharing

Key Features

  • UC3846N is a current mode PWM controller
  • It offers a programmable oscillator frequency
  • Provides cycle-by-cycle current limiting and peak current limit options
  • Protection against over-voltage and under-voltage
  • Offers soft-start and shut down options
  • Suitable for offline and DC-to-DC converters
  • Application

    • Compact footprint
    • Easy installation process
    • Quality performance output

    Specifications

    Topology Boost, Flyback, Forward, Half bridge, Push pull Control mode Current
    Duty cycle (max) (%) 50 Switching frequency (max) (kHz) 500
    Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Soft start, Synchronization pin UVLO thresholds on/off (V) 7.7/6.95
    Operating temperature range (°C) 0 to 70 Rating Catalog
    Gate drive (typ) (A) 0.5 Vin (max) (V) 40

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    In Stock: 4,852

    Minimum Order: 1

    Qty. Unit Price Ext. Price
    1+ $1.475 $1.48
    10+ $1.255 $12.55
    30+ $1.134 $34.02
    100+ $0.938 $93.80
    500+ $0.878 $439.00
    1000+ $0.850 $850.00

    The prices below are for reference only.