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SMM665B Datasheet(PDF) 5 Page - Summit Microelectronics, Inc. |
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SMM665B Datasheet(HTML) 5 Page - Summit Microelectronics, Inc. |
5 / 30 page SMM665B Preliminary Information Summit Microelectronics, Inc 2089 1.1 10/20/04 5 Pin Number Pin Type Pin Name Pin Description 14 I/O VREF_CNTL Voltage reference input used for DC output control and margining. VREF_CNTL can be programmed to output the internal 1.25V reference. 15 CAP FILT_CAP External capacitor input used to filter VMX inputs 41,36, 31,26, 21,16 IN VMX Positive converter sense line, VMA through VMF 42,37, 32,27, 22,17 CAP CAPX External capacitor input used to filter the VMX inputs to the 10-bit ADC, CAPA through CAPF. This provides an RC filter where R = 25kΩ. 43,38, 33,28, 23,18 OUT PUPX Programmable active high/low open drain converter enable output, PUPA through PUPF 44,39, 34,29, 24,19 OUT TRIMX Output voltage used to control the output of DC/DC converters, TRIMA through TRIMF 45,40, 35,30, 25,20 CAP TRIM_CAPX External sample and hold capacitor input used to set the voltage on the TRIM pins, TRIM_CAPA through TRIM_CAPF 46 PWR VDD Power supply of the part 47 PWR 12VIN 12V power supply input internally regulated to either 3.6V or 5.5V 48 CAP VDD_CAP External capacitor input used to filter the internal supply PIN DESCRIPTIONS (Cont.) |
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