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LM46000-Q1

Texas Instruments
Part Number LM46000-Q1
Manufacturer Texas Instruments
Description 0.5-A Synchronous Step-Down Voltage Converter
Published Dec 26, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community LM46000-Q1 SNVSAA1B – JULY 2015 –...
Datasheet PDF File LM46000-Q1 PDF File

LM46000-Q1
LM46000-Q1

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community LM46000-Q1 SNVSAA1B – JULY 2015 – REVISED NOVEMBER 2017 LM46000-Q1 3.
5-V to 60-V, 0.
5-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 • 24-µA Quiescent Current in Regulation • High Efficiency at Light Load (DCM and PFM) • Tested to 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 Pre-Biased Load • Internal Soft Start: 4.
1 ms • Extendable Soft-Start Time by External Capacitor • Output Voltage Tracking Capability • Precision Enable to Program System UVLO • Output Short-Circuit Protection With Hiccup Mode • Overtemperature Thermal Shutdown Protection • Create a Custom Design Using the LM46000-Q1 With the WEBENCH® Power Designer 2 Applications • Sub-AM Band 12 V and 24 V Automotive • Telecommunications Systems • Commercial Vehicle Power Supplies • General Purpose Wide VIN Regulation • High Efficiency Point-Of-Load Regulation VIN CIN Simplified Schematic VIN SW LM46000-Q1 L CBOOT VOUT COUT ENABLE PGOOD SS/TRK RT SYNC AGND CBOOT BIAS FB VCC PGND CBIAS CFF RFBT CVCC RFBB 3 Description The LM46000-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 500 mA of load current from an input voltage range of 3.
5 V to 60 V.
The LM46000-Q1 provides exceptional efficiency, output accuracy and dropout voltage in a very small solution size.
An extended family is available in 1-A and 2-A load current options in pin-to-pin compatible packages.
Peak current mode control is employed to achieve simpl...


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