For details about the model of the three-end voltage regulator chip used in the Shengli multimeter 890c, see the technical documents of the multimeter or contact the manufacturer for accurate information. Different brands and models of multimeters may use different three-terminal voltage regulator chips, so it is not possible to simply give a universal answer.
When consulting the relevant information, you can pay attention to the technical parameters of the chip, such as the input voltage range, output voltage, output current, temperature coefficient, etc., to understand whether it meets the working requirements of the multimeter. In addition, you can also refer to some related circuit diagrams and application examples to understand the application of the chip in the actual circuit and matters needing attention. In short, in order to obtain an accurate answer, it is recommended to directly consult the relevant technical documents of the Victory multimeter 890c or contact the manufacturer for consultation.