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TPS40200-EP датащи(PDF) 1 Page - Texas Instruments |
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TPS40200-EP датащи(HTML) 1 Page - Texas Instruments |
1 / 39 page www.ti.com FEATURES APPLICATIONS DESCRIPTION TPS40200-EP SGLS371 – JANUARY 2007 WIDE-INPUT-RANGE NONSYNCHRONOUS VOLTAGE-MODE CONTROLLER • Programmable Fixed-Frequency (35 kHz to 500 kHz) Operation • Controlled Baseline • Programmable Short-Circuit Protection – One Assembly/Test Site, One Fabrication Site • Hiccup Overcurrent Fault Recovery • Extended Temperature Performance of –55°C • Programmable Closed-Loop Soft Start to 125 °C • 700-mV 1% Reference Voltage • Enhanced Diminishing Manufacturing Sources • External Synchronization (DMS) Support • Small 8-Pin Small-Outline Integrated Circuit • Enhanced Product-Change Notification (SOIC) (D) Package • Qualification Pedigree (1) • Input Voltage Range 4.5 V to 52 V • Industrial Control • Output Voltage (700 mV to 87% V in) • Distributed Power Systems • 200-mA Internal P-Channel FET Driver • DSL/Cable Modems • Voltage Feed-Forward Compensation • Scanners • Undervoltage Lockout • Telecom (1) Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. The TPS40200 is a flexible nonsynchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52 V, with a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52 V, without dissipating excessive power. The circuit operates with voltage-mode feedback and has feed-forward input-voltage compensation that responds instantly to input-voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low voltages. The TPS40200 is available in an 8-pin SOIC, and supports many of the features of more complex controllers. Clock frequency, soft start, and overcurrent limit each are easily programmed by a single, external component. The part has undervoltage lockout, and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements. 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. PRODUCTION DATA information is current as of publication date. Copyright © 2007, 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. |
Аналогичный номер детали - TPS40200-EP |
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Аналогичное описание - TPS40200-EP |
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