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LM43600-Q1 データシート(PDF) 1 Page - Texas Instruments |
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LM43600-Q1 データシート(HTML) 1 Page - Texas Instruments |
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1 / 54 page  SW VIN PGND CBOOT VCC BIAS SYNC RT ENABLE SS/TRK AGND FB LM43600-Q1 VIN COUT CBOOT CIN CVCC VOUT CBIAS RFBT RFBB CFF L PGOOD EN 55022 Class B Limit Frequency (MHz) dBuV 80 70 60 50 40 30 20 10 30 Evaluation Board Emissions 1000 100 Vertical Polarization Horizontal Polarization Product Folder Order Now 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. LM43600-Q1 SNVSA99C – JULY 2015 – REVISED NOVEMBER 2017 LM43600-Q1 3.5-V to 36-V, 0.5-A Synchronous Step-Down Voltage 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 • 33-µA Quiescent Current in Regulation • High Efficiency at Light Load (DCM and PFM) • Tested to EN55022/CISPR 22 EMI standards • Integrated Synchronous Rectification • Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz Default) • Frequency Synchronization to External Clock • Internal Compensation • Stable with Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors • Power-Good Flag • Soft Start into Pre-Biased Load • Internal Soft Start: 4.1 ms • Extendable Soft-Start Time by External Capacitor • Output Voltage Tracking Capability • Precision Enable to Program System UVLO • Output Short-Circuit Protection with Hiccup Mode • Overtemperature Thermal Shutdown Protection • Create a Custom Design Using the LM43600-Q1 With the WEBENCH® Power Designer 2 Applications • Sub-AM Band Automotive • Telecommunications Systems • General Purpose Wide VIN Regulation • High Efficiency Point-Of-Load Regulation Radiated Emission (VIN = 12 V, VOUT = 3.3 V FS = 500 kHz, IOUT = 0.5 A) 3 Description The LM43600-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 0.5 A of load current from an input voltage ranging from 3.5 V to 36 V (42 V transient). The LM43600-Q1 provides exceptional efficiency, output accuracy and dropout voltage in a very small solution size. An extended family is available in 1 A, 2 A, and 3 A load current options in pin-to-pin compatible packages. Peak current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting. Optional features such as programmable switching frequency, synchronization, power-good flag, precision enable, internal soft start, extendable soft start, and tracking provide a flexible and easy to use platform for a wide range of applications. Discontinuous conduction and automatic frequency modulation at light loads improve light load efficiency. The family requires few external components and pin arrangement allows simple, optimum PCB layout. Protection features include thermal shutdown, VCC undervoltage lockout, cycle-by-cycle current limit, and output short-circuit protection. The LM43600-Q1 device is available in the 16-pin, leaded HTSSOP (PWP) package (6.6 mm × 5.1 mm × 1.2 mm) with 0.65-mm lead pitch. The device is pin-to-pin compatible with the LM4360x and LM4600x families. The LM43600A-Q1 version is optimized for PFM operation and recommended for new designs. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM43600-Q1, LM43600A-Q1 HTSSOP (16) 6.60 mm × 5.10 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. space Simplified Schematic |
同様の部品番号 - LM43600-Q1 |
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同様の説明 - LM43600-Q1 |
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