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LM2592HVT-3.3 Fiches technique(PDF) 1 Page - Texas Instruments |
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LM2592HVT-3.3 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 29 page LM2592HV www.ti.com SNVS075C – MAY 2001 – REVISED APRIL 2013 LM2592HV SIMPLE SWITCHER® Power Converter 150 kHz 2A Step-Down Voltage Regulator Check for Samples: LM2592HV 1 FEATURES DESCRIPTION The LM2592HV series of regulators are monolithic 23 • 3.3V, 5V, and Adjustable Output Versions integrated circuits that provide all the active functions • Adjustable Version Output Voltage Range, for a step-down (buck) switching regulator, capable of 1.2V to 57V ±4% Max Over Line and Load driving a 2A load with excellent line and load Conditions regulation. These devices are available in fixed output voltages of 3.3V, 5V, and an adjustable output • Ensured 2A Output Load Current version. • Available in 5-Pin Package This series of switching regulators is similar to the • Input Voltage Range up to 60V LM2593HV, but without some of the supervisory and • 150 kHz Fixed Frequency Internal Oscillator performance features of the latter. • On/Off Control Requiring a minimum number of external • Low Power Standby Mode, IQ Typically 90 μA components, these regulators are simple to use and • High Efficiency include internal frequency compensation†, improved line and load specifications and a fixed-frequency • Thermal Shutdown and Current Limit oscillator. Protection The LM2592HV operates at a switching frequency of APPLICATIONS 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency • Simple High-Efficiency Step-Down (Buck) switching regulators. Available in a standard 5-lead Regulator package with several different lead bend options, and • Efficient Pre-Regulator for Linear Regulators a 5-lead Surface mount package. • On-Card Switching Regulators Other features include a ensured ±4% tolerance on • Positive to Negative Converter output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 90 μA standby current. Self protection features include a two stage current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. † Patent Number 5,382,918. TYPICAL APPLICATION (Fixed Output Voltage Versions) Figure 1. 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 SIMPLE SWITCHER is a registered trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2001–2013, 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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