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A8603KESTR-R 데이터시트(PDF) 2 Page - Allegro MicroSystems |
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A8603KESTR-R 데이터시트(HTML) 2 Page - Allegro MicroSystems |
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2 / 42 page ![]() Multiple-Output Regulator for Automotive LCD Displays A8603 2 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Table 1: Selection Guide Part Number Package Packing* Pin Soldering A8603KESTR-R 24-pin 4×4 QFN with exposed thermal pad 1500 pieces per 13-in. reel Sidewall Plating A8603KESTR-J 24-pin 4×4 QFN with exposed thermal pad Contact Factory Wettable Flank *Contact Allegro™ for additional packing options. Specifications 3 Absolute Maximum Ratings 3 Thermal Characteristics 3 Pinout Diagrams and Terminal List Table 4 Functional Block Diagram 5 Electrical Characteristics 6 Characteristic Performance 10 Functional Description 12 Program Diagnostics 12 Programmable Registers 13 I2C Register Map 14 Diagnostic Registers 15 Real-Time Status Registers 15 Latched Status Registers 16 Description of Regulators 17 AVDD Regulator 17 VCOM Regulator 17 VGL/VGH Charge Pumps 18 Boost Controller 20 Boost Switching Frequency 22 Boost Frequency Dithering 23 Fault Conditions 24 Over- and Undervoltage Protections 24 Overcurrent Protection 24 Examples of Various Fault Conditions 25 Pre-Output Fault Detection 29 General Fault Detection 29 Fault Monitoring 31 Fault1 (Group1) 31 Fault2 (Group2) 31 Fault3 (Group3) 31 Thermal Analysis 33 Boost Stage Power Loss 33 Output Regulator Power Loss 33 Package Outline Drawing 35 Table of Contents |
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