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LMZ12001EXTTZX bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMZ12001EXTTZX bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 31 page 50 55 60 65 70 75 80 85 90 95 100 0 0.2 0.4 0.6 0.8 1 OUTPUT CURRENT (A) 25°C 1.8 1.2 1.5 0.8 VIN CIN Enable RON RFBT CFF CSS RFBB COUT LMZ12001EXT VOUT @ 1A Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ12001EXT SNVS661G – JUNE 2010 – REVISED SEPTEMBER 2015 LMZ12001EXT 1-A SIMPLE SWITCHER® Power Module with 20-V Maximum Input Voltage for Demanding Environments and Rugged Applications 1 Features 2 Applications 1 • Junction Temperature Range –55°C to 125°C • Point-of-load Conversions from 5-V and 12-V Input Rail • Integrated Shielded Inductor • Time-Critical Projects • Simple PCB Layout • Space-Constrained High Thermal Requirement • Flexible Startup Sequencing Using External Soft- Applications Start Capacitor and Precision Enable • Negative Output Voltage Applications • Protection Against Inrush Currents and Faults (See AN-2027 SNVA425) such as Input UVLO and Output Short Circuit • Single Exposed Pad and Standard Pinout for Easy 3 Description Mounting and Manufacturing The LMZ12001EXT SIMPLE SWITCHER® power • Fast Transient Response for FPGAs and ASICs module is an easy-to-use step-down DC-DC solution • Low Output Voltage Ripple capable of driving up to 1-A load with exceptional power conversion efficiency, line and load regulation, • Pin-to-Pin Compatible With Family Devices: and output accuracy. The LMZ12001EXT is available – LMZ14203EXT/2EXT/1EXT (42-V Maximum 3 in an innovative package that enhances thermal A, 2 A, 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 LMZ12001EXT can accept an input voltage rail • Fully WEBENCH® Power Designer Enabled between 4.5 V and 20 V, and can deliver an adjustable and highly accurate output voltage as low • Performance Benefits as 0.8 V. The LMZ12001EXT only requires three – Low Radiated Emissions / High Radiated external resistors and four external capacitors to Immunity complete the power solution. The LMZ12001EXT is a – Passes Vibration Standard MIL-STD-883 reliable and robust design with the following Method 2007.2 Condition A JESD22–B103B protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, Condition 1 short circuit protection, output current limit, and the – Passes Drop standard MIL-STD-883 Method device allows start-up into a prebiased output. A 2002.3 Condition B JESD22–B110 Condition B single resistor adjusts the switching frequency up to 1 • Electrical Specifications MHz. – 6-W Maximum Total Power Output Device Information(1)(2) – Up to 1-A Output Current PART NUMBER PACKAGE BODY SIZE (NOM) – Input Voltage Range 4.5 V to 20 V LMZ12001EXT NDW (7) 10.16 mm × 9.85 mm – Output Voltage Range 0.8 V to 6 V (1) For all available packages, see the orderable addendum at – Efficiency up to 92% the end of the data sheet. (2) Peak reflow temperature equals 245°C. See SNAA214 for more details. Simplified Application Schematic Efficiency 5-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. |
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