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CRCW12060R47F Datasheet(PDF) 1 Page - Texas Instruments |
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CRCW12060R47F Datasheet(HTML) 1 Page - Texas Instruments |
1 / 12 page OUT CS SS FB COMP / UVLO VIN VCC COMPENSATION GND SM74202 RT SYNC VOUT VIN SM74202 www.ti.com SNOSBA4A – NOVEMBER 2011 – REVISED APRIL 2013 100V Current Mode PWM Controller Check for Samples: SM74202 1 FEATURES DESCRIPTION The SM74202 high voltage pulse-width-modulation 2 • Renewable Energy Grade (PWM) controller contains all of the features needed • Internal Start-up Bias Regulator to implement single ended primary power converter • Error Amplifier topologies. Output voltage regulation is based on current-mode control, which eases the design of loop • Precision Voltage Reference compensation while providing inherent line feed- • Programmable Softstart forward. The SM74202 includes a high-voltage start- • 1A Peak Gate Driver up regulator that operates over a wide input range up to 100V. The PWM controller is designed for high • Maximum Duty Cycle Limiting (50%) speed capability including an oscillator frequency • Programmable Line Under Voltage Lockout range to 1MHz and total propagation delays less than (UVLO) with Adjustable Hysteresis 100ns. Additional features include an error amplifier, • Cycle-by-Cycle Over-Current Protection precision reference, line under-voltage lockout, cycle- by-cycle current limit, slope compensation, softstart, • Programmable Oscillator Frequency with oscillator synchronization capability and thermal Synchronization Capability shutdown. The controller is available in the MSOP-10 • Current Sense Leading Edge Blanking package. • Thermal Shutdown Protection APPLICATIONS • Photovoltaic • Telecommunication Power Converters • Industrial Power Converters • +42V Automotive Systems Typical Application Circuit Figure 1. Non-Isolated Flyback Converter 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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