JAJSJO6C December 2021 – August 2024 LM63440-Q1 , LM63460-Q1
PRODUCTION DATA
With a steady-state input voltage range from 3V to 36V, the LM634x0-Q1 is intended for step-down conversions from typical 12V and 24V automotive supply rails. The schematic circuit in Figure 7-1 shows all the necessary components to implement an LM634x0-Q1 step-down regulator using a single input supply.
The minimum input voltage required for start-up is 3.95V. Take extra care to make sure that the voltage at the VIN pins of the converter (VIN1 and VIN2) does not exceed the absolute maximum voltage rating of 42V during line or load transient events. Voltage ringing at the VIN pins that exceeds the Absolute Maximum Ratings can damage the IC.