MC78XX/LM78XX/MC78XXA MC78XX/LM78X oOutp Figure9.Constant Current Regulator Notes MC78XX/LM78XX Vo-VAN)92 Figure 11.Adjustable Output Regulator (7to 30V) 名 MC78XX/LM78XX/MC78XXA 22 Figure 9. Constant Current Regulator Notes: (1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple voltage. (2) CI is required if regulator is located an appreciable distance from power Supply filter. (3) CO improves stability and transient response. VO = VXX(1+R2/R1)+IQR2 Figure 10. Circuit for Increasing Output Voltage IRI ≥5 IQ VO = VXX(1+R2/R1)+IQR2 Figure 11. Adjustable Output Regulator (7 to 30V) Input MC78XX/LM78XX Output CI Co Input Output MC78XX/LM78XX CI Co I RI ≥ 5IQ Input MC7805 Output LM7805 LM741 Co CI