TPS65321A-Q1 Datasheet | Texas Instruments

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 k Hz 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-m A Current Capability With Typical 35-µA Quiescent Current in No-Load Condition - Low-Dropout Voltage of 300 m V at IO = 200 m A (Typical) - Overcurrent Protection for Both Regulators - Overtemperature Protection - 14-Pin HTSSOP Package With Power PAD™ Integrated Circuit Package Typical Application Schematic VI = 3.6 V to 36 V Supply 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...