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LMZ23605 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMZ23605 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 28 page LMZ23605 www.ti.com SNVS659E – MARCH 2011 – REVISED AUGUST 2012 LMZ23605 5A SIMPLE SWITCHER® Power Module with 36V Maximum Input Voltage Check for Samples: LMZ23605 1 KEY FEATURES PERFORMANCE BENEFITS 23 • Integrated Shielded Inductor • High Efficiency Reduces System Heat Generation • Simple PCB Layout • Complies with EN55022 Class B (1) • Frequency Synchronization Input (650 kHz to 950 kHz) • Low Component Count, Only 5 External Components • Flexible Startup Sequencing Using External Soft-Start, Tracking and Precision Enable • Low Output Voltage Ripple • Protection Against Inrush Currents and Faults • Uses PCB as Heat Sink, no Airflow Required Such as Input UVLO and Output Short Circuit DESCRIPTION • – 40°C to 125°C Junction Temperature Range The LMZ23605 SIMPLE SWITCHER® power module • Single Exposed Pad and Standard Pinout for is an easy-to-use step-down DC-DC solution capable Easy Mounting and Manufacturing of driving up to 5A load. The LMZ23605 is available • Fast Transient Response for Powering FPGAs in an innovative package that enhances thermal and ASICs performance and allows for hand or machine soldering. • Fully Enabled for Webench® Power Designer • Pin Compatible with The LMZ23605 can accept an input voltage rail LMZ22005/LMZ23603/LMZ22003 between 6V and 36V and deliver an adjustable and highly accurate output voltage as low as 0.8V. The LMZ23605 only requires two external resistors and APPLICATIONS three external capacitors to complete the power • Point of Load Conversions from 12V and 24V solution. The LMZ23605 is a reliable and robust Input Rail design with the following protection features: thermal shutdown, programmable input under-voltage lockout, • Time Critical Projects output over-voltage protection, short-circuit protection, • Space Constrained / High Thermal output current limit, and allows startup into a pre- Requirement Applications biased output. The sync input allows synchronization • Negative Output Voltage Applications See over the 650 to 950 kHz switching frequency range. SNVA425 ELECTRICAL SPECIFICATIONS • 30W Maximum Total Output Power • Up to 5A Output Current • Input Voltage Range 6V to 36V • Output Voltage Range 0.8V to 6V • Efficiency up to 92% Figure 1. PFM 7 Pin Package(2) Easy To Use 7 Pin Package RoHS Compliant (1) EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See SNVA473 and layout for information on device under test. Vin = 24V Vo = 3.3V Io = 5A (2) Theta JA measured on a 3.5” x 3.5” four layer board, with three ounce copper on outer layers and two ounce copper on inner layers, sixty 10 mil thermal vias, no air flow, and 1W power dissipation. Refer to application note layout diagrams. 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 Webench, SIMPLE SWITCHER are registered trademarks of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, 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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