LM4040/LM4041Precision Micropower Shunt Voltage ReferenceFeaturesGeneral Description • Small SOT-23 Package Ideal for space critical applications, the LM4040 and • No Output Capacitor Required LM4041 precision voltage references are available in • Tolerates Capacitive Loads the subminiature SOT-23 surface-mount package. • Fixed Reverse-Breakdown Voltages of 1.225V, The LM4040 is available in fixed reverse-breakdown 2.500V, 4.096V, and 5.000V voltages of 2.500V, 4.096V, and 5.000V. The LM4041 • Adjustable Reverse-Breakdown Version is available with a fixed 1.225V or an adjustable reverse-breakdown voltage. Applications The minimum operating current ranges from 60 μA for • Battery-Powered Equipment the LM4041-1.2 to 74 μA for the LM4040-5.0. LM4040 • Data Acquisition Systems versions have a maximum operating current of 15 mA. • Instrumentation LM4041 versions have a maximum operating current of • Process Control 12 mA. • Energy Management The LM4040 and LM4041 have bandgap reference • Product Testing temperature drift curvature correction and low dynamic impedance, ensuring stable reverse-breakdown • Automotive Electronics voltage accuracy over a wide range of operating • Precision Audio Components temperatures and currents. Package TypesLM4040/LM4041 (FIXED VERSION)LM4041 (ADJUSTABLE VERSION) 3-Pin SOT-23 3-Pin SOT-23 NC - 3 3 1 2 1 2 + - FB + 2017 Microchip Technology Inc. DS20005757A-page 1 Document Outline 1.0 Electrical Characteristics 2.0 Typical Performance Curves 3.0 Pin Descriptions 4.0 Application Information 4.1 Schottky Diode 4.2 Conventional Shunt Regulator 4.3 Adjustable Regulator 5.0 Typical Application Circuits 6.0 Packaging Information 6.1 Package Marking Information APPENDIX A: Revision History Product Identification System Worldwide Sales and Service
