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LM2590HVS-ADJ 数据表(PDF) 1 Page - Texas Instruments |
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LM2590HVS-ADJ 数据表(HTML) 1 Page - Texas Instruments |
1 / 35 page + 330 µF CIN CSS 0.1 µF 0.1 µF CDELAY LM2590HV ± 5.0 +VIN 1 3 7 Flag 10 NŸ +12V Unregulated DC Input Error Flag Shutdown/Soft - start SD /SS 5 Delay 4 Gnd 2 6 Output 33 µH + D1 1N5824 Feedback +5.0V Regulated Output 1A Load COUT 220 µF Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. LM2590HV SNVS084C – DECEMBER 2001 – REVISED JULY 2016 LM2590HV SIMPLE SWITCHER® Power Converter 150-kHz, 1-A Step-Down Voltage Regulator 1 1 Features 1 • 3.3-V, 5-V, and Adjustable Output Versions • Adjustable Version Output Voltage Range, 1.2 V to 57 V ±4% Max Over Line and Load Conditions • Ensured 1-A Output Load Current • Available in 7-Pin TO-220 and TO-263 (Surface- Mount) Package • Input Voltage Range Up To 60 V • 150-kHz Fixed Frequency Internal Oscillator • Shutdown and Soft-start • Out Of Regulation Error Flag • Error Flag Delay • Low Power Standby Mode, IQ: 90 µA (Typical) • High Efficiency • Thermal Shutdown And Current Limit Protection 2 Applications • Simple High-Efficiency Step-Down (Buck) Regulators • Efficient Preregulator For Linear Regulators • On-Card Switching Regulators • Positive-To-Negative Converters 3 Description The LM2590HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3-V, 5-V, and an adjustable output version. This series of switching regulators is similar to the LM2591HV with additional supervisory and control features. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, output error flag and flag delay. The LM2590HV operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface-mount package. Other features include an ensured ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring 90-µA standby current (typical). Self protection features include a two stage current limit for the output switch and an over temperature shutdown for complete protection under fault conditions. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM2590HV TO-220 (7) 14.99 mm × 10.16 mm TO-263 (7) 10.10 mm × 8.89 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application (Fixed Output Voltage Versions) |
类似零件编号 - LM2590HVS-ADJ |
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类似说明 - LM2590HVS-ADJ |
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