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CD5020 & LM5020 PWM Controller Chip

The CD5020 high voltage pulse-width-modulation(PWM) controller contains all of the featuresneeded to implement single ended primary powerconverter topologies. Output voltage regulation isbased on curr...
  • Model: CD5020
  • Brand: MK
  • Price:$8.0   /    Stock: 99999
  • Product Description:

    The CD5020 high voltage pulse-width-modulation(PWM) controller contains all of the featuresneeded to implement single ended primary powerconverter topologies. Output voltage regulation isbased on current-mode control, which eases thedesign of loop compensation.The CD5020 includes a high-voltage start-upregulator that operates over a wide input range upto 100V. The PWM controller is designed for highspeed capability including an oscillator frequencyrange to 1MHz and total propagation delays lessthan 100ns. Additional features include an erroramplifier, precision reference, line under-voltagelockout, cycle-by-cycle current limit, slopecompensation, soft-start, oscillator synchronizationcapability and thermal shutdown.

    Internal High Voltage Start-Up Bias Regulator

    Error Amplifier

    High Precision Voltage Reference

    Programmable Soft-Start

    1A Peak Gate Drive

    Maximum Duty Cycle Limiting - 80% Programmable Line Under Voltage Lockout

    (UVLO) with Adjustable Hysteresis Cycle-by-Cycle Over-Current Protection Slope Compensation

    Programmable Oscillator Frequency with Synchronization Capability

    Current Sense Leading Edge Blanking

    Thermal Shutdown Protection

    Packages: VSSOP10

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    ModelFunctionControl ModeInput VoltageTemperatureMaximum DutyPackaging formCORR TI
    CD5022Current mode boost, SEPIC And flyback control.Based on current mode control6V-60V-40~1250.9VSSOP-10LM5022
    CD5021Off-line PWM PW control
    8V-30V-40~1250.85VSSOP-8LM5021
    CD5041Cascade PWM control
    15V-90V-40~125TSSOP-16/WSON-16LM5041
    CD5032Current-mode high voltage PWM control
    13V-100V-40~1250.76TSSOP-16LM5032
    CD5020Current-mode high voltage PWM control
    13V~80V-40~1250.8VSSOP-10LM5020
    CD5020ACurrent-mode high voltage PWM control
    13V~90V-40~1250.8VSSOP-10/WSON-10LM5020A
    CD5026Current-mode active clamping PWM control
    13V~100V-40~1250.76TSSOP-16/WSON-16LM5026
    CD5030Current-mode high-voltage PWM push-pull control
    14V~90V-40~1250.5VSSOP-10/WSON-10LM5030
    CD5025Voltage source active clamping PWM controlFeedforward voltage mode control13V~100V-40~1250.8TSSOP-16/WSON-16LM5025
    CD5035Half-bridge topology power conversion PWM controlVoltage control mode13V~100V-40~1250HTSSOP-20/WQFN-24LM5035


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