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LMR50410-Q1 データシート(PDF) 1 Page - Texas Instruments |
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LMR50410-Q1 データシート(HTML) 1 Page - Texas Instruments |
1 / 37 page LMR50410-Q1 SIMPLE SWITCHER® 4-V to 36-V, 1-A Buck Converter in SOT-23-6 package 1 Features • AEC-Q100 qualified – Temperature grade 1: –40°C to 125°C ambient operating temperature range • Functional Safety-Capable – Documentation available to aid functional safety system design • Configured for rugged automotive applications – Input voltage range: 4 V to 36 V – 1-A continuous output current – Minimum switching-on time: 60 ns – 2.1-MHz fixed switching frequency – Junction temperature range: –40°C to 150°C – 98% maximum duty cycle – Monotonic start-up with pre-biased output – Internal short circuit protection with hiccup mode – ±1% tolerance voltage reference – Precision enable • Small solution size and ease of use – Integrated synchronous rectification – Internal compensation for ease of use – SOT-23-6 package • Pin-to-pin compatible with TPS560430-Q1 • Various options in pin-to-pin compatible package – PFM and forced PWM (FPWM) options – Fixed 3.3-V output option • Create a custom design using the LMR50410-Q1 with the WEBENCH® Power Designer 2 Applications • Body electronics and lighting • Infotainment and cluster • ADAS • General purpose wide VIN power supplies 3 Description The LMR50410-Q1 is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 1-A load current. With a wide input range of 4 V to 36 V, the device is suitable for a wide range of automotive applications for power conditioning from an unregulated source. The LMR50410-Q1 operates at 2.1-MHz switching frequency to support use of relatively small inductors for an optimized solution size. It has an PFM version to realize high efficiency at light load , and small output voltage ripple over the full load range. Soft- start and compensation circuits are implemented internally which allows the device to be used with minimum external components. The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation. The LMR50410-Q1 is available in SOT-23-6 package. Device Information (1) PART NUMBER PACKAGE BODY SIZE (NOM) LMR50410-Q1 SOT-23-6 2.90 mm × 1.60 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. CB SW L CBOOT FB VIN VIN up to 36 V COUT EN CIN GND VOUT RFBT RFBB Simplified Schematic IOUT(A) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.3 0.5 1 40 50 60 70 80 90 100 VIN=8V VIN=12V VIN=24V VIN=36V Efficiency versus Output Current VOUT = 5 V, 2.1MHz , PFM www.ti.com LMR50410-Q1 SLUSDW4 – JULY 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 1 Product Folder Links: LMR50410-Q1 LMR50410-Q1 SLUSDW4 – JULY 2020 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. |
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同様の説明 - LMR50410-Q1 |
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