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DATA SHEET
LM46000 3.5-V to 60-V, 0.5-A Synchronous Step-Down Voltage Converter
1 Features
- 24-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 Prebiased 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 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
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