TPS65321A-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS65321A-Q1 SLVSE55 – NOVEMBER 2017 TPS65321A-Q1 36-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 DC-DC Converter – Input Range of 3.6 V to 36 V – 250-mΩ High-Side MOSFET – Maximum Load Current 3.2 A, Output Adjustable 1.1 V to 20 V – Adjustable Switching Frequency 100 kHz to 2.5 MHz – Synchronizes to External Clock – High Efficiency at Light Loads With Pulse- Skipping Eco-mode™ Control Scheme – Maximum 140-µA Operating Quiescent Current – Reset Output-Pin (Active Low, Open-Drain) One High-VIN Low-Dropout (LDO) Voltage Regulator – Input Range of 3 V to 36 V – 280-mA Current Capability With Typical 35-µA Quiescent Current in No-Load Condition – Low-Dropout Voltage of 300 mV at IO = 200 mA (Typical) Overcurrent Protection for Both Regulators Overtemperature Protection 14-Pin HTSSOP Package With PowerPAD™ Integrated Circuit Package Typical Application Schematic VI = 3.6 V to 36 V Supply VIN BOOT SW 1.1 V to 20 V, 3.2 A VI = 3 V to 36 V Supply EN1 Buck RT/CLK Regulator FB1 Control SS COMP RST VIN_LDO LDO_OUT 1.1 V to 5.5 V, 280 mA GND EN2 LDO Regulator Control PowerPAD FB2 TPS65321-Q1 C...