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LM2590HV-AQ-Q1 Fiches technique(PDF) 1 Page - Texas Instruments |
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LM2590HV-AQ-Q1 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 30 page 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-AQ-Q1 SNOSAC0C – MAY 2004 – REVISED JULY 2016 LM2590HV-AQ-Q1 SIMPLE SWITCHER® Power Converter 150-kHz, 1-A, Step-Down Voltage Regulator With Features 1 1 Features 1 • Qualified for Automotive Applications • AEC-Q100 Test Guidance With the Following: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device MM ESD Classification Level M3 • 3.3-V, 5-V, and Adjustable Output Versions • Adjustable Version Output Voltage Range: 1.2 V to 57 V ±4% Maximum Over Line and Load Conditions • 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 Typically 90 μA • 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 (1) Patent Number 5,382,918. 3 Description The LM2590HV-AQ-Q1 regulator is a monolithic integrated circuit which provides all the active functions for a step-down (buck) switching regulator, and is capable of driving a 1-A load with excellent line and load regulation. The LM2590HV-AQ-Q1 is available in fixed output voltages of 3.3 V, 5 V, as well as an adjustable output version. The LM2590HV-AQ-Q1 switching regulator is similar to the LM2591HV with additional supervisory and performance features. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation (1), improved line and load specifications, fixed-frequency oscillator, shutdown or soft start, output error flag, and flag delay. The LM2590HV-AQ-Q1 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 a ±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 typically 90-μA standby current. Self-protection features include a two stage current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions. Device Information (a) PART NUMBER PACKAGE BODY SIZE (NOM) LM2590HV-AQ- Q1 DDPAK/TO-263 (7) 10.10 mm × 8.89 mm TO-220 (5) 14.986 mm × 10.16 mm (a) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application (Fixed Output Voltage Versions) |
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