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LMZ23603TZ 데이터시트(PDF) 1 Page - Texas Instruments |
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LMZ23603TZ 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 34 page 0 1 2 3 40 50 60 70 80 90 100 OUTPUT CURRENT (A) 9 VIn 12 Vin 20 Vin 24 Vin 30 Vin 36 Vin VIN CIN 22 2F Enable RFBT See Table CSS 0.47 2F RFBB See Table Co 220 2F LMZ23603 VOUT @ 3A Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ23603 SNVS711J – MARCH 2011 – REVISED AUGUST 2015 LMZ23603 3-A SIMPLE SWITCHER® Power Module With 36-V Maximum Input Voltage 1 1 Features • Integrated Shielded Inductor 2 Applications • Simple PCB Layout • Point-of-load Conversions from 12-V and 24-V Input Rail • Frequency Synchronization Input (650 kHz to 950 kHz) • Time-Critical Projects • Flexible Startup Sequencing Using External Soft- • Space Constrained and High Thermal start, Tracking and Precision Enable Requirement Applications • Protection Against Inrush Currents and Faults • Negative Output Voltage Applications (See AN- Such as Input UVLO and Output Short Circuit 2027, SNVA425) • Junction Temperature Range –40°C to 125°C 3 Description • Single Exposed Pad and Standard Pinout for Easy The LMZ23603 SIMPLE SWITCHER® power module Mounting and Manufacturing is an easy-to-use step-down DC-DC solution capable • Fast Transient Response for Powering FPGAs of driving up to 3-A load. The LMZ23603 is available and ASICs in an innovative package that enhances thermal • Fully Enabled for WEBENCH® Power Designer performance and allows for hand or machine soldering. • Pin Compatible With LMZ22005/LMZ23605/LMZ22003 The LMZ23603 can accept an input voltage rail • Performance Benefits between 6 V and 36 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The – High Efficiency Reduces System Heat LMZ23603 only requires two external resistors and Generation three external capacitors to complete the power – Tested to EN55022 Class B solution. The LMZ23603 is a reliable and robust – See AN-2125 (SNVA473) and layout for design with the following protection features: thermal shutdown, programmable input undervoltage lockout, information on device under test. output overvoltage protection, short circuit protection, – VIN = 24 V, VO = 3.3 V, IO = 3 A output current limit, and allows start-up into a NOTE: EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. prebiased output. The sync input allows synchronization over the 650-kHz to 950-kHz – Low component count, only 5 external switching frequency range. components – Low output voltage ripple Device Information(1)(2) – Uses PCB as heat sink, no airflow required PART NUMBER PACKAGE BODY SIZE (NOM) • Electrical Specifications LMZ23603 NDW (7) 10.16 mm × 9.85 mm – 18-W maximum total output power (1) For all available packages, see the orderable addendum at – Up to 3-A output current the end of the data sheet. (2) Peak reflow temperature equals 245°C. See SNAA214 for – Input voltage range 6 V to 36 V more details. – Output voltage range 0.8 V to 6 V – Efficiency up to 92% Simplified Application Schematic Efficiency 5-V Output at 25°C Ambient 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. |
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