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LMZ14202H bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMZ14202H bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 31 page 0.0 0.5 1.0 1.5 2.0 70 75 80 85 90 95 100 OUTPUT CURRENT (A) VIN = 15V VIN = 24V VIN = 30V VIN = 36V VIN = 42V VIN CIN Enable RON RFBT CFF CSS RFBB COUT LMZ14202H VOUT Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ14202H SNVS691H – JANUARY 2011 – REVISED OCTOBER 2015 LMZ14202H SIMPLE SWITCHER® 6V to 42V, 2A High Output Voltage Power Module 1 Features 2 Applications 1 • Integrated Shielded Inductor • Intermediate Bus Conversions to 12-V and 24-V Rail • Simple PCB Layout • Time-Critical Projects • Flexible Start-Up Sequencing Using External Soft- Start and Precision Enable • Space Constrained / High Thermal Requirement Applications • Protection Against Inrush Currents • Negative Output Voltage Applications • Input UVLO and Output Short Circuit Protection • –40°C to 125°C Junction Temperature Range 3 Description • Single Exposed Pad and Standard Pinout for Easy The LMZ14202H SIMPLE SWITCHER® power Mounting and Manufacturing module is an easy-to-use step-down DC-DC solution • Low Output Voltage Ripple capable of driving up to 2-A load with exceptional power conversion efficiency, line and load regulation, • Pin-to-Oin Compatible Family: and output accuracy. The LMZ14202H is available in – LMZ14203H/2H/1H (42 V Maximum 3-A, 2-A, an innovative package that enhances thermal 1-A) performance and allows for hand or machine – LMZ14203/2/1 (42 V Maximum 3-A, 2-A, 1-A) soldering. – LMZ12003/2/1 (20 V Maximum 3-A, 2-A, 1-A) The LMZ14202H can accept an input voltage rail • Fully Enabled for WEBENCH® Power Designer between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 5 V. The • Electrical Specifications LMZ14202H only requires three external resistors – Up to 2-A Output Current and four external capacitors to complete the power – Input Voltage Range 6 V to 42 V solution. The LMZ14202H is a reliable and robust design with the following protection features: thermal – Output Voltage as Low as 5 V shutdown, input undervoltage lockout, output – Efficiency up to 97% overvoltage protection, short-circuit protection, output • Performance Benefits current limit, and allows start-up into a prebiased – High Efficiency Reduces System Heat output. A single resistor adjusts the switching frequency up to 1 MHz. Generation – No Compensation Required Device Information(1)(2) – Low Package Thermal Resistance PART NUMBER PACKAGE BODY SIZE (NOM) – Low Radiated EMI (EN 55022 Class B Tested) LMZ14202H TO-PMOD (7) 10.16 mm × 9.85 mm NOTE: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. (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 VOUT = 12 V TA = 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 - LMZ14202H_15 |
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Mô tả tương tự - LMZ14202H_15 |
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