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C2012C0G1H102J Datasheet(PDF) 1 Page - Texas Instruments |
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C2012C0G1H102J Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page OUT CS SS FB COMP / UVLO VIN VCC COMPENSATION GND VOUT LM5020 VIN RT SYNC LM5020 www.ti.com SNVS275F – MAY 2004 – REVISED APRIL 2006 LM5020 100V Current Mode PWM Controller Check for Samples: LM5020 1 FEATURES PACKAGES 2 • Internal Start-up Bias Regulator • VSSOP-10 • Error Amplifier • WSON-10 (4 mm x 4 mm) • Precision Voltage Reference DESCRIPTION • Programmable Softstart The LM5020 high voltage pulse-width-modulation • 1A Peak Gate Driver (PWM) controller contains all of the features needed • Maximum Duty Cycle Limiting (80% for to implement single ended primary power converter LM5020-1 or 50% for LM5020-2) topologies. Output voltage regulation is based on current-mode control, which eases the design of loop • Programmable Line Under Voltage Lockout compensation while providing inherent line feed- (UVLO) with Adjustable Hysteresis forward. The LM5020 includes a high-voltage start-up • Cycle-by-Cycle Over-Current Protection regulator that operates over a wide input range up to • Slope Compensation (LM5020-1) 100V. The PWM controller is designed for high speed capability including an oscillator frequency range to • Programmable Oscillator Frequency with 1MHz and total propagation delays less than 100ns. Synchronization Capability Additional features include an error amplifier, • Current Sense Leading Edge Blanking precision reference, line under-voltage lockout, cycle- • Thermal Shutdown Protection by-cycle current limit, slope compensation, softstart, oscillator synchronization capability and thermal shutdown. The controller is available in both VSSOP- APPLICATIONS 10 and WSON-10 packages. • 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 © 2004–2006, 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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