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SMB117 Arkusz danych(PDF) 4 Page - Summit Microelectronics, Inc. |
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SMB117 Arkusz danych(HTML) 4 Page - Summit Microelectronics, Inc. |
4 / 32 page SMB113A/B/SMB117/A Preliminary Information Summit Microelectronics, Inc 2111 2.4 6/24/2008 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 0,1,2,3 Synchronous buck PWM Converter HSDRV[0,1,2,3] LSDRV[0,1,2,3] COMP1_CH[0,1,2,3] COMP2_CH[0,1,2,3] VM_CH[0,1,2,3] VREF VREF OSC Fixed 250/400/ 800/1000kHz MAX LIMIT LOW LIMIT + – PWREN0 HVSUP[0,1,2,3] 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 –SMB113A/B and SMB117/A internal block diagram. Programmable functional blocks include: level shifters, digital to analog converter and the VM_CH[0,1,2,3] voltage dividers. |
Podobny numer części - SMB117 |
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Podobny opis - SMB117 |
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