DC2620A-A

DC2620A-A demonstration circuit uses the LTC®7106, a precision, bidirectional, 7-bit current DAC with PMBus interface, and can be used to adjust the output voltage of any conventional VFB-referenced regulator. The LTC7106 can work with most power management controllers, regulators or modules to enable digital control of the output voltage. The DC2620A-A requires input voltage range from 2.5V to 5.5V, which can be powered either by an external supply or directly from the DC1613A dongle. The LTC7106 provides three ranges of IDAC output current: Nominal range(-64µA to 63µA), range high (-256µA to 252µA) and range low (-16µA to 15.75µA). Only the nominal range is optimized with the highest accuracy. It is recommended that users design the resistor divider using the nominal range of the IDAC setting.

• IC bias voltage range from 2.5 to 5.5V

附註

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