TLE7368 Next Generation Micro Controller Supply TLE7368G TLE7368E TLE7368-2E TLE7368-3E Data Sheet Rev. 2.1, 2010-11-22 Automotive Power TLE7368 Table of Contents Table of Contents 1 Overview . 3 2 Block Diagram . 5 3 Pin Configuration 6 3.1 Pin Assignment . 6 3.2 Pin Definitions and Functions TLE7368G . 6 4 General Product Characteristics 9 4.1 Absolute Maximum Ratings . 9 4.2 Functional Range 12 4.3 Thermal Resistance 12 4.4 Electrical Characteristics 13 5 Detailed Internal Circuits Description . 24 5.1 Buck Regulator 24 5.1.1 Buck Regulator Control Scheme . 24 5.1.2 High Side Driver Supply and 100% Duty Cycle Operation . 24 5.1.3 Electromagnetic Emission Reduction . 25 5.1.4 Charge Pump 26 5.1.5 Buck Converter Protection Circuits . 26 5.2 Linear Regulators 26 5.3 Voltage Tracking Regulators . 26 5.4 Power Up and Power Down Sequencing 27 5.5 Stand-by Regulator . 29 5.6 Overtemperature Protection 29 5.7 Device Enable Function . 29 5.8 Reset Function 29 5.9 Monitoring Circuit 31 5.10 Watchdog Circuit 33 6 Application Information 35 6.1 Choosing Components for the Buck Regulator . 36 6.2 Setting up LDO1, LDO2 . 36 6.3 Setting up of LDO3 . 36 6.4 Setting up the Stand-by Regulator . 37 6.4.1 Stand-by Regulators Output Voltage Configuration 37 7 Package Outlines . 38 8 Revision History 40 Data Sheet 2 Rev. 2.1, 2010-11-22