BM1R00147F - Documentation
BM1R00147F is a synchronous rectification controller to be used in the secondary-side output. It has a built-in ultra-low consumption and high accuracy shunt regulator, which significantly reduces standby power. The shunt regulator is constructed in a completely independent chip that enables it to operate as a GND reference even when used in high side. At continuous mode operation, further space saving can be realized when operating without the input switching synchronizing signal of the primary side. BM1R00128F also features a wide operating power supply voltage range of 2.7V to 32V for various output applications. Finally, by adopting the high-voltage 120V process, it is possible to monitor the drain voltage directly."
* This is a standard-grade product.
For Automotive usage, please contact Sales.
For Automotive usage, please contact Sales.
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User's Guide
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BM1R00147F Evaluation Board (High Side Type) User's Guide
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This evaluation board has provided the secondary-side synchronous rectification circuit using BM1R00147F. This evaluation board assumes that the primary side controller of insulated type with PWM flyback converter operates in DCM and set to 5V for output voltage.
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BM1R00147F Evaluation Board (Low Side Type) User's Guide
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This evaluation board has provided the secondary-side synchronous rectification circuit using BM1R00147F. This evaluation board assumes that the primary side controller of insulated type with PWM flyback converter operates in DCM and set to 5V for output voltage.
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Application Note
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BM1R001xxF series Technical Design
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This application note describes an example of how to design the secondary-side synchronous rectification circuit with the BM1R001xxF series.
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Thermal Resistance
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The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
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Part Explanation
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For ICs
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