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  • Application Note: AAT3110/AAT3111 On/Off Enable Control
    The AAT3110 and AAT3111 switched capacitor voltage converters are designed to deliver a regulated 3.3V, 3.6V, or 5V output from an input supply ranging from 1.8V to 5V (respective to AAT3110/AAT3111 device option). No external inductor is required for operation. The AAT3110/AAT3111 can deliver
  • Design Guideline: AAT3190 Positive/Negative Charge Pump
    This Application Note presents the design guideline and load line characteristics for the AAT3190 positive/negative charge pump with voltage multiplier stage. With a few external passive components, two low-power charge pumps of the AAT3190 convert supply voltages ranging from 2.7V to 5.5V into two
  • Connecting LEDs: Serial vs. Parallel
    battery (4.2V to 3.0V) used to power four white LEDs (LED forward voltage, VF, is typically 3.6V to 2.5V, depending on forward current, IF) to backlight a QVGA TFT panel. With a parallel configuration, all LED cathodes or anodes are connected together. This arrangement typically requires a buck-boost
  • Using a Timer and I/O Pins to Interface 8051 MCUs with I2C Serial EEPROMs
    was written assuming these clock frequencies ranging from 100 kHz to 1 MHz. connections. The main features of the 24XXX serial EEPROMs are: 2 C compatible* 2-wire serial interface bus, I * EEPROM densities from 128 bits to 512 Kbits * Bus speed from 100 kHz to 1 MHz * Voltage range from 1.7V to 5.5V * Low