LM53601-Q1

LM53600-Q1, LM53601-Q1 SNAS660D – JUNE 2015 – REVISED MAY 2021 LM53600/01-Q1 0.65-A/1-A, 36-V Synchronous, 2.1-MHz Automotive Step-Down DC/DC Converter 1 Features Qualified for automotive applications AEC-Q100 qualified with the following results: – Device temperature grade 1: –40°C to 125°C ambient operating temperature range – Device HBM classification level 2 – Device CDM classification level C5 –40°C to 150°C junction temperature range (available) Wide operating input voltage: 3.55 V to 36 V (with transient to 42 V) Spread spectrum option available 2.1-MHz fixed switching frequency Low quiescent current: 23 μA Shutdown current: 1.8 µA Adjustable, 3.3-V, or 5-V output Maximum current load: 650 mA for LM53600-Q1, 1000 mA for LM53601-Q1 Pin-selectable forced PWM mode RESET output with filter and delay release External frequency synchronization Internal compensation, soft start, current limit, and UVLO 10-lead, 3-mm × 3-mm SON package with wettable and non-wettable flanks 2 Applications Automotive camera applications Automotive driver assistance systems Automotive body applications VPU RPU RESET AGND EN FB VSUPPLY CIN VIN LM53600 VCC LM53601 SYNC/ MODE BOOT GND SW (DAP) CVCC CBOOT L1 COUT Simplified Schematic – Fixed Output 3 Description The LM53600-Q1 and LM53601-Q1 synchronous buck regulator devices are optimized for automotive applications, providing an output voltage of 5 V, 3.3 V, or an adjustable output. Load current ...