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LM43600QPWPRQ1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM43600QPWPRQ1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 53 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 Sample & Buy Technical Documents Tools & Software Support & Community LM43600-Q1 SNVSA99A – JULY 2015 – REVISED AUGUST 2015 LM43600-Q1 SIMPLE SWITCHER® 3.5 V to 36 V 0.5 A Synchronous Step-Down Voltage Converter 1 Features 3 Description The LM43600-Q1 SIMPLE SWITCHER® regulator is 1 • AEC-Q100 Qualified (–40°C to +125°C Operating an easy to use synchronous step-down DC-DC Junction Temperature) converter capable of driving up to 0.5 A of load • 33 µA Quiescent Current in Regulation current from an input voltage ranging from 3.5 V to 36 • High Efficiency at Light Load (DCM and PFM) V (42 V transient). The LM43600-Q1 provides exceptional efficiency, output accuracy and drop-out • Tested to EN55022/CISPR 22 EMI standards voltage in a very small solution size. An extended • Integrated Synchronous Rectification family is available in 1 A, 2 A and 3 A load current • Adjustable Frequency Range: 200 kHz to 2.2 MHz options in pin-to-pin compatible packages. Peak (500 kHz default) current mode control is employed to achieve simple control loop compensation and cycle-by-cycle current • Frequency Synchronization to External Clock limiting. Optional features such as programmable • Internal Compensation switching frequency, synchronization, power-good • Stable with Almost Any Combination of Ceramic, flag, precision enable, internal soft-start, extendable Polymer, Tantalum, and Aluminum Capacitors soft-start, and tracking provide a flexible and easy to use platform for a wide range of applications. • Power-Good Flag Discontinuous conduction and automatic frequency • Soft-Start into Pre-Biased Load modulation at light loads improve light load efficiency. • Internal Soft-Start: 4.1 ms The family requires few external components and pin arrangement allows simple, optimum PCB layout. • Extendable Soft-Start Time by External Capacitor Protection features include thermal shutdown, VCC • Output Voltage Tracking Capability under-voltage lockout, cycle-by-cycle current limit, • Precision Enable to Program System UVLO and output short circuit protection. The LM43600-Q1 • Output Short Circuit Protection with Hiccup Mode device is available in the HTSSOP / PWP 16 leaded package (5.1 mm x 6.6 mm x 1.2 mm) with 0.65 mm • Over Temperature Thermal Shutdown Protection lead pitch. Pin to pin compatible with LM46000, LM46001, LM46002, LM43601, LM43602, LM43603. 2 Applications • Sub-AM Band Automotive Device Information(1) • Industrial Power Supplies PART NUMBER PACKAGE BODY SIZE (NOM) LM43600-Q1 HTSSOP (16) 5.1 mm x 6.6 mm • Telecommunications Systems • General Purpose Wide VIN Regulation (1) For all available packages, see the orderable addendum at the end of the datasheet. • High Efficiency Point-Of-Load Regulation 4 Simplified Schematic Radiated Emission Graph VIN = 12 V, VOUT = 3.3 V, FS= 500 kHz, IOUT = 0.5 A 1 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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