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LDO FAQs Slide 10

What is the accuracy of my LDO? The accuracy of the LDO is the VREF (ADJ) voltage accuracy. It is typically 1% at certain conditions. If a resistor divider is used for an ADJ device, the total accuracy will be affected by the external resistance tolerance. For example, if the resistors have 1% tolerance each (worst-case), the accuracy of the output is about 3% (2% for external resistors, 1% for VREF accuracy). For the single-resistor LT308x LDO family, the total accuracy is 2% (1%+1%) for all output voltages.

PTM Published on: 2011-05-16