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LMZ12008 데이터시트(PDF) 1 Page - Texas Instruments |
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LMZ12008 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 35 page VIN CIN 3 x 10 PF RFBT CFF 4.7 nF (OPT) See Table CSS 0.47 PF (OPT) RFBB See Table COUT 2 x 330 PF LMZ12008 VOUT Enable 0 2 4 6 8 40 50 60 70 80 90 100 OUTPUT CURRENT (A) 6Vin 8Vin 10Vin 12Vin 16Vin 20Vin 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. LMZ12008 SNVS716H – MARCH 2011 – REVISED FEBRUARY 2016 LMZ12008 8-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage 1 1 Features 1 • Integrated Shielded Inductor • Simple PCB Layout • Fixed Switching Frequency (350kHz) • Flexible Start-up Sequencing Using External Soft- start, Tracking and Precision Enable • Protection Against Inrush Currents and Faults such as Input UVLO and Output Short Circuit • Junction Temperature Range –40°C to 125°C • Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing • Fully Enabled for WEBENCH® Power Designer • Pin Compatible With LMZ22010/08/06, LMZ12010/06, LMZ23610/08/06, and LMZ13610/08/06 • Electrical Specifications – 40-W Maximum Total Output Power – Up to 8-A Output Current – Input Voltage Range 6 V to 20 V – Output Voltage Range 0.8 V to 6 V – Efficiency up to 92% • Performance Benefits – High Efficiency Reduces System Heat Generation – Low Radiated Emissions (EMI) Tested to EN55022 NOTE: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B, tested on Evaluation Board with EMI configuration – Only 7 External Components – Low Output Voltage Ripple – No External Heat Sink Required 2 Applications • Point-of-load Conversions from 12-V Input Rail • Time-Critical Projects • Space Constrained / High Thermal Requirement Applications • Negative Output Voltage Applications See AN-2027 SNVA425. 3 Description The LMZ12008 SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 8-A load. The LMZ12008 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering. The LMZ12008 can accept an input voltage rail between 6 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12008 only requires two external resistors and external capacitors to complete the power solution. The LMZ12008 is a reliable and robust design with the following protection features: thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and the device allows start-up into a prebiased output. Device Information(1)(2) PART NUMBER PACKAGE BODY SIZE (NOM) LMZ12008 NDY (11) 15.00 mm × 15.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) Peak reflow temperature equals 245°C. See SNAA214 for more details. Simplified Application Schematic Efficiency 3.3-V Output at 25°C |
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유사한 설명 - LMZ12008_16 |
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