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AS3693E-16 Datasheet(PDF) 3 Page - ams AG |
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AS3693E-16 Datasheet(HTML) 3 Page - ams AG |
3 / 33 page AS3693E aust ri am i cros yst ems www.austriamicrosystems.com Revision 1.5 / 2009-12-21 3 - 33 Table of Contents 1 General Description ....................................................................................................................................... 1 2 Key Features.................................................................................................................................................. 1 3 Applications.................................................................................................................................................... 1 4 Block Diagram................................................................................................................................................ 2 5 Characteristics ............................................................................................................................................... 4 5.1 Absolute Maximum Ratings .................................................................................................................... 4 5.2 Operating Conditions .............................................................................................................................. 5 5.3 Electrical Characteristics......................................................................................................................... 5 6 Typical Operation Characteristics .................................................................................................................. 7 6.1 Output current vs Output Voltage ........................................................................................................... 7 6.2 Vsupply vs VREG and V2.5 at startup .................................................................................................... 7 6.3 9us Slew Rate......................................................................................................................................... 8 6.4 Supply Regulation................................................................................................................................... 8 7 Block Description ........................................................................................................................................... 9 7.1 Feedback Circuit..................................................................................................................................... 9 7.1.1 Feedback Selection ....................................................................................................................... 10 7.1.2 Voltage fault registers .................................................................................................................... 11 7.2 Curreg 1-16........................................................................................................................................... 11 7.3 PWM – modes ...................................................................................................................................... 13 7.3.1 PWM mode (PWM_MODE = 00) ................................................................................................... 13 7.3.2 ASYNC – mode (PWM_MODE = 01) ............................................................................................ 13 7.4 PWM – high time, period and delay registers ....................................................................................... 15 7.5 Shunt Regulator .................................................................................................................................... 16 7.5.1 Undervoltage lockout ..................................................................................................................... 16 7.6 Over temperature control ...................................................................................................................... 16 Device address setup ...................................................................................................................................... 17 7.6.1 I2C Device Address setup ............................................................................................................. 17 7.6.2 SPI Device Address setup ............................................................................................................. 17 7.7 Digital interface ..................................................................................................................................... 18 7.7.1 I2C interface .................................................................................................................................. 18 7.7.2 SPI interface .................................................................................................................................. 20 8 Register map................................................................................................................................................ 22 9 Pinout and Packaging .................................................................................................................................. 25 9.1 Pinout.................................................................................................................................................... 25 9.2 Package drawing epTQFP64................................................................................................................ 27 9.3 Package drawing QFN64..................................................................................................................... 29 10 Ordering Information .................................................................................................................................... 32 Copyright............................................................................................................................................................. 33 Disclaimer ........................................................................................................................................................... 33 Contact Information............................................................................................................................................. 33 |
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