LM4040/LM4041Typical Application DiagramsLM4040/LM4041 Fixed ShuntLM4041 Adjustable ShuntRegulator ApplicationRegulator Application V V S S R S R IQ + IL S I V O V L V R O R 1 LM4041 LM4040 V = 1.233 (R /R + 1) I Adjustable O 2 1 Q R 2 Functional Block DiagramsLM4040/LM4041 FixedLM4041 Adjustable + + VREF FB DS20005757A-page 2 2017 Microchip Technology Inc. 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