TEXAS INSTRUMENTS  UC3846N  CURRENT MODE PWM CONTROLLER, 40V, 16-DIP

TEXAS INSTRUMENTS UC3846N

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Product Overview


The UC3846N is a Current Mode PWM Controller that provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters and the ability to parallel "power modules" while maintaining equal current sharing. Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shut-down function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off. Other features include fully latched operation, double pulse suppression, deadline adjust capability and a ±1% trimmed bandgap reference.
  • Automatic feed forward compensation
  • Programmable pulse-by-pulse current limiting
  • Automatic symmetry correction in push-pull configuration
  • Enhanced load response characteristics
  • Parallel operation capability for modular power systems
  • Differential current sense amplifier with wide common mode range
  • Double pulse suppression
  • 500mA (Peak) totem-pole outputs
  • ±1% bandgap reference
  • Under-voltage lockout
  • Soft-start capability
  • Shutdown terminal
  • Green product and no Sb/Br

Applications

Power Management
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Product Information


  • Input Voltage 15V
  • Output Voltage 13.5V
  • Output Current 500mA
  • Supply Voltage Min 8V
  • Supply Voltage Max 40V
  • Controller IC Case Style DIP
  • No. of Pins 16Pins
  • Frequency 450kHz
  • Operating Temperature Min 0°C
  • Operating Temperature Max 70°C
  • Packaging Each
  • Power Dissipation Pd 1 W
  • MSL -
  • Supply Voltage Range 8V to 40V
  • SVHC No SVHC (15-Jun-2015)
  • Digital IC Case Style DIP

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      Newark Part No. Manufacturer Part No Manufacturer / Description
    Avail Price Qty
    ascdsc ascdsc ascdsc ascdsc ascdsc
    Exact
    61K2004
    UC3846NG4

    UC3846NG4

    TEXAS INSTRUMENTS

    CURRENT MODE PWM CONTROLLER, 40V, 16-DIP

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