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LMZ14202 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMZ14202 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 31 page 50 55 60 65 70 75 80 85 90 95 100 0 0.4 0.8 1.2 1.6 2 25°C 1.8 1.2 1.5 2.5 3.3 5.0 6.0 OUTPUT CURRENT (A) VIN CIN Enable RON RFBT CFF CSS RFBB COUT LMZ14202 VOUT Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ14202 SNVS648J – JANUARY 2010 – REVISED OCTOBER 2015 LMZ14202 SIMPLE SWITCHER® 6V to 42V, 2A Power Module in Leaded SMT-TO Package 1 Features 2 Applications 1 • Integrated Shielded Inductor • Point of Load Conversions from 12-V and 24-V Input Rail • Simple PCB Layout • Time-Critical Projects • Flexible Start-Up Sequencing Using External Soft- Start and Precision Enable • Space Constrained and High Thermal Requirement Applications Easy-To-Use, 7-Pin • Protection Against Inrush Currents and Faults Package Such as Input UVLO and Output Short Circuit PFM 7-Pin Package • Junction Temperature Range: –40°C to 125°C • Negative Output Voltage Applications • Single Exposed Pad and Standard Pinout for Easy (See AN-2027) SNVA425 Mounting and Manufacturing • Fast Transient Response for Powering FPGAs 3 Description and ASICs The LMZ14202, SIMPLE SWITCHER® power module • Low Output Voltage Ripple is an easy-to-use step-down DC-DC that can drive up • Pin-to-Pin Compatible Family: to 2-A load with exceptional power conversion efficiency, line and load regulation, and output – LMZ14203/2/1 (42 V Maximum; 3 A, 2 A, 1 A) accuracy. The LMZ14202 is available in an innovative – LMZ12003/2/1 (20 V Maximum; 3 A, 2 A, 1 A) package that enhances thermal performance and • Fully Enabled for WEBENCH® Power Designer allows for hand or machine soldering. • Electrical Specifications The LMZ14202 can accept an input voltage rail – 12-W Maximum Total Output Power between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The – Up to 2-A Output Current LMZ14202 only requires three external resistors and – Input Voltage Range: 6 V to 42 V four external capacitors to complete the power – Output Voltage Range: 0.8 V to 6 V solution. The LMZ14202 is a reliable and robust design with the following protection features: thermal – Efficiency up to 90% shutdown, input undervoltage lockout, output • Performance Benefits overvoltage protection, short-circuit protection, output – Operates at High Ambient Temperature With current limit, and allows start-up into a prebiased No Thermal Derating output. A single resistor adjusts the switching frequency up to 1 MHz. – High Efficiency Reduces System Heat Generation Device Information(1)(2) – Low Radiated Emissions (EMI) Tested With PART NUMBER PACKAGE BODY SIZE (NOM) EN55022 Class B Standard LMZ14202 TO-PMOD (7) 10.16 mm × 9.85 mm – Low External Component Count (1) For all available packages, see the orderable addendum at the end of the datasheet. (2) Peak reflow temperature equals 245°C. See SNAA214 for 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. |
Số phần tương tự - LMZ14202_15 |
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Mô tả tương tự - LMZ14202_15 |
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