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LM5032MTC/NOPB

Texas Instruments

Current Mode PWM Controller 2.5A 16-Pin TSSOP Rail

Manufacturer Part #: LM5032MTC/NOPB

Alternate Part #: LM5032MTC/NOPB


legend RoHS Compliant

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Information

The LM5032 dual current mode PWM controller contains all the features needed to control either two independent forward dc/dc converters or a single high current converter comprised of two interleaved power stages. The two controller channels operate 180° out of phase thereby reducing input ripple current. The LM5032 includes a startup regulator that operates over a wide input range up to 100 V and compound (bipolar + CMOS) gate drivers that provide a robust 2.5-A peak sink current. The adjustable maximum PWM duty cycle reduce stress on the primary side MOSFET switches. Additional features include programmable line undervoltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable response time, PWM slope compensation, soft-start, and a 2-MHz capable oscillator with synchronization capability.

For all available packages, see the orderable addendum at the end of the datasheet.

 

Key Features

  • Two Independent PWM Current Mode Controllers
  • Integrated High-Voltage Startup Regulator
  • Compound 2.5-A Main Output Gate Drivers
  • Single Resistor Oscillator Setting to 2 MHz
  • Synchronizable Oscillator
  • Programmable Maximum Duty Cycle
  • Maximum Duty Cycle Fold-Back at High-Line Voltage
  • Adjustable Timer for Hiccup Mode Current Limiting
  • Integrated Slope Compensation
  • Adjustable Line Undervoltage Lockout
  • Independently Adjustable Soft-Start (Each Regulator)
  • Direct Interface with Opto-Coupler Transistor
  • Thermal Shutdown
  • TSSOP 16-Pin Package
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Fall Time
    10 ns
    Rise Time
    12 ns
    Lead Finish
    Tin
    Number of PWM Outputs
    2
    Max Processing Temp
    260
    Operating Temperature
    -40 to 125 °C
    On/Off Pin
    Yes
    Mounting
    Surface Mount
    Switching Frequency
    600 kHz
    Output Current
    2500 mA
    Adjustable Output
    Yes

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542.9000-00
    HTSN:
    8542.9000-00
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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