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LM46001

Texas Instruments
Part Number LM46001
Manufacturer Texas Instruments
Description 1-A Synchronous Step-Down Voltage Converter
Published Dec 26, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM46001 SNVSA46...
Datasheet PDF File LM46001 PDF File

LM46001
LM46001

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM46001 SNVSA46B – JUNE 2014 – REVISED JANUARY 2018 LM46001 3.
5-V to 60-V, 1-A Synchronous Step-Down Voltage Converter 1 Features •1 24-µA Quiescent Current in Regulation • High Efficiency at Light Load (DCM and PFM) • Meets EN55022/CISPR 22 EMI standards • Integrated Synchronous Rectification • Adjustable Switching Frequency: 200 kHz to 2.
2 MHz (500 kHz default) • Frequency Synchronization to External Clock • Internal Compensation • Stable With Many Combinations 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 LM46001 With the WEBENCH® Power Designer 2 Applications • Industrial Power Supplies • Telecommunications Systems • Sub-AM Band 12-V and 24-V Automotive • Commercial Vehicle Power Supplies • General Purpose Wide VIN Regulation • High Efficiency Point-Of-Load Regulation VIN CIN Simplified Schematic VIN SW LM46001 ENABLE PGOOD SS/TRK RT SYNC AGND CBOOT BIAS FB VCC PGND L CBOOT COUT VOUT CBIAS CFF RFBT CVCC RFBB 3 Description The LM46001 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 1 A of load current from an input voltage ranging from 3.
5 V to 60 V.
The LM46001 provides exceptional efficiency, output accuracy, and dropout voltage in a very small solution size.
An extended family is available in 0.
5-A and 2-A load current options in pin-to-pin compatible packages.
Peakcurrent-mode control is employed to achieve simple control loop compensation and cycle-by-cycle current limiting.
Optional features such as programmable switching frequency, synchronization, p...


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