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LM43602-Q1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM43602-Q1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 43 page 0 10 20 30 40 50 60 70 80 0 200 400 600 800 1000 Frequency (MHz) Evaluation Board EN 55022 Class B Limit EN 55022 Class A Limit C001 C001 SW VIN PGND CBOOT VCC BIAS SYNC RT ENABLE SS/TRK AGND FB LM43602Q VIN COUT CBOOT CIN CVCC VOUT CBIAS RFBT RFBB CFF L PGOOD Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM43602-Q1 SNVSA83A – APRIL 2015 – REVISED MAY 2015 LM43602-Q1 SIMPLE SWITCHER® 3.5 V to 36 V 2-A Synchronous Step-Down Voltage Converter 1 Features 3 Description The LM43602-Q1 SIMPLE SWITCHER® regulator is 1 • LM43602-Q1 is an Automotive-Grade Product that an easy-to-use synchronous step-down DC-DC is AEC-Q100 Qualified (-40°C to +125°C converter capable of driving up to 2 A of load current Operating TJ) from an input voltage ranging from 3.5 V to 36 V (42 • 27 µA Quiescent Current in Regulation V abs max). The LM43602-Q1 provides exceptional efficiency, output accuracy and dropout voltage in a • High Efficiency at Light Load (DCM and PFM) very small solution size. An extended family is • Meets EN55022/CISPR 22 EMI Standards available in 0.5 A , 1 A, and 3 A load current options • Integrated Synchronous Rectification in pin-to-pin compatible packages. Peak current • Adjustable Frequency Range: 200 kHz to 2.2 MHz mode control is employed to achieve simple control (500 kHz default) loop compensation and cycle-by-cycle current limiting. Optional features such as programmable • Frequency Synchronization to External Clock switching frequency, synchronization, power-good • Internal Compensation flag, precision enable, internal soft-start, extendable • Stable with Almost Any Combination of Ceramic, soft-start, and tracking provide a flexible and easy to Polymer, Tantalum, and Aluminum Capacitors use platform for a wide range of applications. Discontinuous conduction and automatic frequency • Power-Good Flag modulation at light loads improve light load efficiency. • Soft-Start into a Pre-Biased Load The family requires few external components and • Internal Soft-Start: 4.1 ms terminal arrangement allows simple, optimum PCB layout. Protection features include thermal shutdown, • Extendable Soft-Start Time by External Capacitor VCC undervoltage lockout, cycle-by-cycle current limit, • Output Voltage Tracking Capability and output short circuit protection. The LM43602-Q1 • Precision Enable to Program System UVLO device is available in the HTSSOP / PWP 16-pin • Output Short-Circuit Protection with Hiccup Mode leaded package (5.1 mm x 6.6 mm x 1.2 mm). • Overtemperature Thermal Shutdown Protection Device Information PART NUMBER PACKAGE BODY SIZE 2 Applications LM43602-Q1 HTSSOP (16) 5.1 mm x 6.6 mm • Sub-AM Band Automotive • Industrial Power Supplies • General Purpose Wide VIN Regulation • High Efficiency Point-Of-Load Regulation • Telecommunications Systems 4 Simplified Schematic Radiated Emission Graph 12VIN to 3.3 VOUT FS = 500 kHz IOUT = 2 A 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 - LM43602-Q1_15 |
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Mô tả tương tự - LM43602-Q1_15 |
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