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AL8820 Datasheet(PDF) 2 Page - Diodes Incorporated |
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AL8820 Datasheet(HTML) 2 Page - Diodes Incorporated |
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2 / 15 page  AL8820 Document number: DS37369 Rev. 1 - 2 2 of 15 www.diodes.com December 2014 © Diodes Incorporated AL8820 Pin Descriptions Pin Number Pin Name Function 1 SW1 Integrated Boost MOS Drain 2 CS1 Boost Input Current Sense Pin 3 FB Boost Output Voltage Feedback Pin 4 COMP Soft-start and Boost Control Loop Compensation 5 CS2 Buck Output Current Sense Pin 6 VIN IC Input Voltage, Adding from Boost Output Voltage 7 VCC Supply Voltage For Internal Circuit 8 SW2 Integrated Buck MOS Drain 9 Exposed Pad Connected To Ground Functional Block Diagram VIN CS2 CS2 UVLO Chip_EN VBG Trimming Resistor ICS Driver HYSTERESIS COMPARATOR VREF VCS2 VCC SW2 GND EA FB VBG COMP CS1 CS1 VCS1 SW1 COMPARATOR OVP VFB OVP OTP Bandgap VBG VCC VREF LOGIC Driver VCC CTL Internal Regulator VCC VIN PWM1 PWM1 2 3 6 5 7 8 1 4 9 |
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