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SMB214C Folha de dados(PDF) 4 Page - Summit Microelectronics, Inc. |
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SMB214C Folha de dados(HTML) 4 Page - Summit Microelectronics, Inc. |
4 / 27 page SMB214A/B/C Summit Microelectronics, Inc 2128 2.2 9/17/2010 4 INTERNAL BLOCK DIAGRAM VDDCAP DEADTIME + – OA LEVEL SHIFTER + – + – GLITCH FILTER GLITCH FILTER CLAMP DUTY CYCLE LIMIT OVER VOLTAGE DETECTION 100k DIGITAL TO ANALOG CONVERTER UNDER VOLTAGE DETECTION Channel 0,1,2 Synchronous buck PWM Converter HSDRV[0,1,2] LSDRV[0,1,2] COMP1_CH[0,1,2] COMP2_CH[0,1,2] VM_CH[0,1,2] VREF VREF OSC Fixed 400/800/ 1000kHz MAX LIMIT LOW LIMIT + – PWREN HVSUP[0,1,2] VREF + – LEVEL SHIFTER + – VBATT DQ BANDGAP VREF 2.5V REGULATOR VDD_CAP GND UV2 SCL SDA I2C/SMBUS UV1 SEQUENCING AND MONITORING LOGIC ENABLE Figure 3 –SMB214A/B/C internal block diagram. Programmable functional blocks include: level shifters, digital to analog converter and the VM_CH[0,1,2] voltage dividers. |
Nº de peça semelhante - SMB214C |
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Descrição semelhante - SMB214C |
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