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LM43603-Q1
SNVS...
Product Folder
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Technical Documents
Tools & Software
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Reference Design
LM43603-Q1
SNVSA82C – APRIL 2015 – REVISED OCTOBER 2017
LM43603-Q1 3.5-V to 36-V, 3-A Synchronous Step-Down Voltage Converter
1 Features
1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to +125°C Operating Junction Temperature
27-µA Quiescent Current in Regulation High Efficiency at Light Load (DCM and PFM) Meets EN55022/CISPR 22 EMI Standards Integrated Synchronous Rectification Adjustable Frequency Range: 200 kHz to 2.2 MHz
(500 kHz default) Frequency Synchronization to External Clock Internal Compensation Stable With Almost any Combination of Ceramic,
Polymer, Tantalum, and Aluminum Capacitors Power-Good Flag Soft Start into a Pre-Biased Load Internal Soft Start: 4.1 ms Extendable Soft-Start Time by External Capacitor Output Voltage Tracking Capability Precision Enable to a Program System UVLO Output Short Circuit Protection with Hiccup Mode Overtemperature Thermal Shutdown Protection Create a Custom Design Using the LM43603-Q1
With the WEBENCH® Power Designer
2 Applications
Sub-AM Band Automotive Industrial Power Supplies General Purpose Wide VIN Regulation High Efficiency Point-Of-Load Regulation Telecommunications Systems
3 Description
The LM43603-Q1
regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 3 A of...
