Microchip LX7219 Bedienungsanleitung


Lesen Sie kostenlos die 📖 deutsche Bedienungsanleitung für Microchip LX7219 (25 Seiten) in der Kategorie Nicht kategorisiert. Dieser Bedienungsanleitung war für 15 Personen hilfreich und wurde von 2 Benutzern mit durchschnittlich 4.5 Sternen bewertet

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LX7219
Datasheet
6A Hysteretic Synchronous Buck Regulator with I2C
Production
July 2018
6A Hysteretic Synchronous Buck Regulator with I2C Production
Microsemi Proprietary and Confidential. LX7219 Datasheet Revision 2.0
Contents
1 Revision History ............................................................................................................................. 1
1.1 Revision 2.0 ........................................................................................................................................
1.2 Revisions Prior to 2.0 ..........................................................................................................................
2 LX7219 Overview ........................................................................................................................... 2
2.1 Features ..............................................................................................................................................
2.2 Applications ........................................................................................................................................
3 Pin/Ball Configuration .................................................................................................................... 4
3.1 Ordering Information ......................................................................................................................... 4
3.2 Pin/Ball Description ............................................................................................................................
3.3 Functional Block Diagram ................................................................................................................... 6
4 Electrical Specifications .................................................................................................................. 7
4.1 Absolute Maximum Ratings ................................................................................................................ 7
4.2 Electrical Characteristics ..................................................................................................................... 7
4.2.1 Operating Ratings .................................................................................................................................... 7
4.2.2 Typical Electrical Characteristics ............................................................................................................. 7
4.2.3 Thermal Properties .................................................................................................................................. 9
4.2.4 Application Specifications ....................................................................................................................... 9
4.3 I2C Timing Specifications .................................................................................................................. 10
5 Operation Theory ......................................................................................................................... 11
5.1 Basic Operation ................................................................................................................................ 1
5.2 Setting the Output Voltage ............................................................................................................... 11
5.3 Startup .............................................................................................................................................. 1
5.4 Over Current Protection ................................................................................................................... 1
5.5 Positive Voltage Transitions ............................................................................................................. 12
5.6 Negative Voltage Transitions ............................................................................................................ 13
5.7 Enabling Regulator from I2C Bus ...................................................................................................... 13
5.8 Switch Node Rise Rate Adjustment .................................................................................................. 13
6 I2C Interface ................................................................................................................................. 14
6.1 I2C Port Functional Description ........................................................................................................ 14
6.2 I2C Port Description .......................................................................................................................... 14
6.3 Register Map .................................................................................................................................... 1
6.4 Slave Address .................................................................................................................................... 1
6.5 Start and Stop Commands ................................................................................................................ 14
6.6 Data Transfers .................................................................................................................................. 1
6.6.1 Data Transfer Timing for Write Commands .......................................................................................... 15
6.7 I2C Electrical Characteristics ............................................................................................................. 15
6A Hysteretic Synchronous Buck Regulator with I2C Production
Microsemi Proprietary and Confidential. LX7219 Datasheet Revision 2.0
6.8 Control Register Bit Definitions ........................................................................................................ 18
7 Package Markings and Dimensions .............................................................................................. 20
8 Land Pattern Recommendation ................................................................................................... 21


Produktspezifikationen

Marke: Microchip
Kategorie: Nicht kategorisiert
Modell: LX7219

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