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LMZ14201EXT bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMZ14201EXT bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 32 page VIN CIN Enable RON RFBT CFF CSS RFBB COUT LMZ14201EXT VOUT @ 1A 50 55 60 65 70 75 80 85 90 95 100 0 0.2 0.4 0.6 0.8 1 OUTPUT CURRENT (A) 25°C 1.8 1.2 1.5 0.8 3.3 2.5 5.0 6.0 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ14201EXT SNVS664H – JUNE 2010 – REVISED OCTOBER 2015 LMZ14201EXT 1-A SIMPLE SWITCHER® Power Module With 42-V Maximum Input Voltage for Demanding Environments and Rugged Applications 1 Features 2 Applications 1 • Junction Temperature Range –55°C to 125°C • Point-of-load Conversions from 12-V and 24-V Input Rail • Integrated Shielded Inductor • Time Critical Projects • Simple PCB Layout • Space Constrained and High Thermal • Flexible Startup Sequencing Using External Soft- Requirement Applications Start and Precision Enable • Negative Output Voltage Applications • Protection Against Inrush Currents and Faults (See AN-2027 SNVA425) such as Input UVLO and Output Short Circuit • Single Exposed Pad and Standard Pinout for Easy 3 Description Mounting and Manufacturing The LMZ14201EXT SIMPLE SWITCHER® power • Fast Transient Response for Powering FPGAs module is an easy-to-use step-down DC-DC solution and ASICs capable of driving up to 1-A load with exceptional • Low Output Voltage Ripple power conversion efficiency, line and load regulation, and output accuracy. The LMZ14201EXT is available • Pin-to-Pin Compatible With Family Devices: in an innovative package that enhances thermal – LMZ14203EXT/2EXT/1EXT performance and the device allows for hand or (42-V Maximum 3 A, 2 A, 1 A) machine soldering. – LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A) The LMZ14201EXT can accept an input voltage rail – LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A) between 6 V and 42 V and can deliver an adjustable • Fully Enabled for WEBENCH® Power Designer and highly accurate output voltage as low as 0.8 V. The LMZ14201EXT only requires three external • Electrical Specifications resistors and four external capacitors to complete the – 6-W Maximum Total Output Power power solution. The LMZ14201EXT is a reliable and – Up to 1-A Output Current robust design with the following protection features: thermal shutdown, input undervoltage lockout, output – Input Voltage Range 6 V to 42 V overvoltage protection, short-circuit protection, output – Output Voltage Range 0.8 V to 6 V current limit, and allows startup into a prebiased – Efficiency up to 90% output. A single resistor adjusts the switching • Performance Benefits frequency up to 1 MHz. – Low Radiated Emissions and High Radiated Device Information(1)(2) Immunity PART NUMBER PACKAGE BODY SIZE (NOM) – Passes Vibration Standard MIL-STD-883 LMZ14201EXT TO-PMOD (7) 10.16 mm × 9.85 mm Method 2007.2 Condition A JESD22–B103B (1) For all available packages, see the orderable addendum at Condition 1 the end of the data sheet. – Passes Drop Standard MIL-STD-883 Method (2) Peak reflow temperature equals 245°C. See SNAA214 for 2002.3 Condition B JESD22–B110 Condition B more details. Simplified Application Schematic Efficiency 12-V Input at 25°C 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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