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LMZ14202H Datasheet(PDF) 1 Page - Texas Instruments |
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LMZ14202H Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page LMZ14202H www.ti.com SNVS691D – JANUARY 2011 – REVISED FEBRUARY 2013 LMZ14202H 2A, SIMPLE SWITCHER® Power Module for High Output Voltage Check for Samples: LMZ14202H 1 FEATURES ELECTRICAL SPECIFICATIONS 23 • Integrated Shielded Inductor • Up to 2A Output Current • Simple PCB Layout • Input Voltage Range 6V to 42V • Flexible Startup Sequencing Using External • Output Voltage as Low as 5V Soft-start and Precision Enable • Efficiency up to 97% • Protection Against Inrush Currents • Input UVLO and Output Short Circuit PERFORMANCE BENEFITS Protection • High Efficiency Reduces System Heat • – 40°C to 125°C Junction Temperature Range Generation • Single Exposed Pad and Standard Pinout for • Low Radiated EMI(EN 55022 Class B Easy Mounting and Manufacturing Compliant) (1) • Low Output Voltage Ripple • No Compensation Required • Pin-to-pin Compatible Family: • Low Package Thermal Resistance – LMZ14203H/2H/1H (42V Max 3A, 2A, 1A) – LMZ14203/2/1 (42V Max 3A, 2A, 1A) DESCRIPTION – LMZ12003/2/1 (20V Max 3A, 2A, 1A) The LMZ14202H SIMPLE SWITCHER power module is an easy-to-use step-down DC-DC solution capable • Fully Enabled for Webench® Power Designer of driving up to 2A load with exceptional power conversion efficiency, line and load regulation, and APPLICATIONS output accuracy. The LMZ14202H is available in an • Intermediate Bus Conversions to 12V and 24V innovative package that enhances thermal Rail performance and allows for hand or machine soldering. • Time Critical Projects • Space Constrained / High Thermal The LMZ14202H can accept an input voltage rail Requirement Applications between 6V and 42V and deliver an adjustable and highly accurate output voltage as low as 5V. The • Negative Output Voltage Applications LMZ14202H only requires three external resistors and four external capacitors to complete the power solution. The LMZ14202H is a reliable and robust design with the following protection features: thermal shutdown, input under-voltage lockout, output over- voltage protection, short-circuit protection, output current limit, and allows startup into a pre-biased output. A single resistor adjusts the switching frequency up to 1 MHz. Figure 1. Easy to use 7 pin package PFM 7 Pin Package 10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in) θJA = 16°C/W, θJC = 1.9°C/W RoHS Compliant (1) EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 SIMPLE SWITCHER is a registered trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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