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LMR23630AFQDDAQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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LMR23630AFQDDAQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page IOUT (A) 0.0001 0.001 0.01 0.1 1 10 40 50 60 70 80 90 100 D001 VOUT = 5 V VOUT = 3.3 V BOOT SW L CBOOT FB VIN VIN up to 36 V PGND COUT EN/SYNC CIN VCC AGND VOUT CVCC RFBT RFBB 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. LMR23630-Q1 SNVSAR6 – DECEMBER 2016 LMR23630-Q1 SIMPLE SWITCHER® 36 V, 3 A Synchronous Step-Down Converter 1 1 Features 1 • Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: - Device Temperature Grade 1: -40 °C to 125 °C Ambient Operating Temperature Range - Device HBM ESD Classification Level H1C - Device CDM ESD Classification Level C4A • 4 V to 36 V Input Range • 3 A Continuous Output Current • Integrated Synchronous Rectification • Minimum Switch-On Time: 60 ns • Internal Compensation for Ease of Use • 400 kHz Switching Frequency and Adjustable Switching Frequency Options • PFM and Forced PWM Mode Options at Light Load • Frequency Synchronization to External Clock • 75 µA Quiescent Current at No Load for PFM Option • Power Good Option • Soft-Start into a Pre-Biased Load • High Duty Cycle Operation Supported • Output Short-Circuit Protection with Hiccup Mode • 8-Pin HSOIC and 12-Pin WSON with PowerPAD™ Package Options 2 Applications • Automotive Battery Regulation • Industrial Power Supplies • Telecom and Datacom Systems • General Purpose Wide Vin Regulation 3 Description The LMR23630-Q1 SIMPLE SWITCHER® is an easy to use 36 V, 3 A synchronous step down regulator. With a wide input range from 4 V to 36 V, it is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak current mode control is employed to achieve simple control loop compensation and cycle- by-cycle current limiting. A quiescent current of 75 μA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. The device has option for constant frequency FPWM mode to achieve small output voltage ripple at light load. An extended family is available in 1 A (LMR23610-Q1), 1.5 A (LMR23615-Q1) and 2.5 A (LMR23625-Q1) load current options in pin-to-pin compatible package which allows simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by- cycle current limit, hiccup mode short circuit protection and thermal shutdown due to excessive power dissipation. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LMR23630AQDDARQ1 HSOIC (8) 4.9 mm x 3.9 mm LMR23630AFQDDARQ1 HSOIC (8) 4.9 mm x 3.9 mm LMR23630QDRRRQ1 (Preview) WSON (12) 3 mm x 3 mm LMR23630FQDRRRQ1 (Preview) WSON (12) 3 mm x 3 mm LMR23630APQDRRRQ1 (Preview) WSON (12) 3 mm x 3 mm (1) For detail part numbers for all available different options, see the orderable addendum at the end of the data sheet. Simplified Schematic Efficiency vs Load, VIN = 12 V, PFM Option |
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