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LM4130 - Precision Micropower Low Dropout Voltage Reference

Description

The LM4130 family of precision voltage references performs comparable to the best laser-trimmed bipolar references, but in cost effective CMOS technology.

Features

  • n n n n n n n n n n n n Small SOT23-5 package High output voltage accuracy 0.05% Low Temperature Coefficient 10 ppm/˚C Stable with capacitive loads to 100µF Low dropout voltage ≤275 mV @ 10 mA Supply Current ≤75 µA Full accuracy.
  • 40˚C to 85˚C Extended operation to 125˚C Excellent load and line regulation Output current 20 mA < 1Ω Output impedance Voltage options: 2.048V, 2.500V, and 4.096V.

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LM4130 Precision Micropower Low Dropout Voltage Reference November 1999 LM4130 Precision Micropower Low Dropout Voltage Reference General Description The LM4130 family of precision voltage references performs comparable to the best laser-trimmed bipolar references, but in cost effective CMOS technology. Key to this break through is the use of EEPROM registers for correction of curvature, tempco, and accuracy on a CMOS bandgap architecture that allows package level programming to overcome assembly shift. The shifts in voltage accuracy and tempco during assembly of die into plastic packages limit the accuracy of references trimmed with laser techniques. Unlike other LDO references, the LM4130 requires no output capacitor. Neither is a buffer amplifier required, even with loads up to 20mA.
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