TPS65320-Q1

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS65320-Q1 SLVSAY9F – DECEMBER 2012 – REVISED MARCH 2016 TPS65320-Q1 40-V Step-Down Converter With Eco-mode™ and LDO Regulator 1 Features 1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B One High-VIN Step-Down Converter – 3.6- to 40-V Input Range – 250-mΩ High-Side MOSFET – 3.2-A Maximum Load Current, 1.1- to 20-V Output Adjustable – 100-kHz to 2.5-MHz Adjustable Switch-Mode Frequency – Less Than 140-µA Operating Quiescent Current One Low-Dropout Voltage Regulator (LDO) – 280-mA Current Capability With 28-μA (Typical) Operating Quiescent Current in NoLoad Condition – Input Supply Auto-Source to Balance Efficiency and Low Standby Current – Power-Good Output (Push-Pull) – Low-Dropout Voltage of 300 mV at IOUT = 200 mA (Typical) Overcurrent Protection for Both Regulators Overtemperature Protection 14-Pin HTSSOP Package With PowerPAD™ Package Typical Application Schematic VI = 3.6 V to 40 V Supply VIN VIN_LDO BOOT EN1 EN2 SW LDO Input Auto Source FB1 RT/CLK COMP LDO_OUT SS GND Regulator Control FB2 TPS65320-Q1 PowerPAD nRST 1.1 V to 20 V, 3.2 A 1.1 V to 7 V, 280 mA 2 Applications Automotive Infotainment and Cluster Advanced Driver Assistance Syste...