link to page 5 link to page 6 link to page 6 link to page 7 link to page 8 link to page 8 link to page 8 link to page 17 link to page 17 link to page 17 link to page 17 link to page 18 link to page 18 link to page 18 link to page 18 link to page 18 link to page 19 link to page 19 link to page 19 link to page 20 link to page 20 link to page 21 link to page 21 link to page 22 link to page 22 link to page 23 link to page 23 link to page 23 link to page 24 link to page 24 link to page 24 link to page 25 link to page 25 link to page 26 link to page 26 link to page 27 link to page 27 link to page 29 link to page 31 link to page 33 link to page 33 List of figuresL78SList of figures Figure 1. Block diagram . 5 Figure 2. Pin connections (top view) . 6 Figure 3. Schematic diagram . 6 Figure 4. Application circuits . 7 Figure 5. DC parameter . 8 Figure 6. Load regulation . 8 Figure 7. Ripple rejection . 8 Figure 8. Dropout voltage vs. junction temperature . 17 Figure 9. Peak output current vs. input/output differential voltage . 17 Figure 10. Output impedance vs. frequency . 17 Figure 11. Output voltage vs. junction temperature . 17 Figure 12. Supply voltage rejection vs. frequency . 18 Figure 13. Quiescent current vs. junction temperature . 18 Figure 14. Load transient response . 18 Figure 15. Line transient response . 18 Figure 16. Quiescent current vs. input voltage . 18 Figure 17. Fixed output regulator . 19 Figure 18. Constant current regulator . 19 Figure 19. Circuit for increasing output voltage . 19 Figure 20. Adjustable output regulator (7 to 30 V) . 20 Figure 21. 0.5 to 10 V regulator . 20 Figure 22. High current voltage regulator . 21 Figure 23. High output current with short circuit protection . 21 Figure 24. Tracking voltage regulator . 22 Figure 25. Positive and negative regulator . 22 Figure 26. Negative output voltage circuit . 23 Figure 27. Switching regulator . 23 Figure 28. High input voltage circuit. 23 Figure 29. High input voltage circuit. 24 Figure 30. High output voltage regulator . 24 Figure 31. High input and output voltage . 24 Figure 32. Reducing power dissipation with dropping resistor. 25 Figure 33. Remote shutdown . 25 Figure 34. Power AM modulator (unity voltage gain, IO £ 1 A) . 26 Figure 35. Adjustable output voltage with temperature compensation . 26 Figure 36. Light controllers (VOmin = VXX + VBE) . 27 Figure 37. Protection against input short-circuit with high capacitance loads . 27 Figure 38. TO-220 (dual gauge) drawing . 29 Figure 39. TO-220 SG (single gauge) drawing . 31 Figure 40. Tube for TO-220 (dual gauge) (mm.) . 33 Figure 41. Tube for TO-220 (single gauge) (mm.) . 33 4/35 DocID2148 Rev 8 Document Outline Table 1. Device summary 1 Diagram Figure 1. Block diagram 2 Pin configuration Figure 2. Pin connections (top view) Figure 3. Schematic diagram 3 Maximum ratings Table 2. Absolute maximum ratings Table 3. Thermal data Figure 4. Application circuits 4 Test circuits Figure 5. DC parameter Figure 6. Load regulation Figure 7. Ripple rejection 5 Electrical characteristics Table 4. Electrical characteristics of L78S05C Table 5. Electrical characteristics of L78S75C Table 6. Electrical characteristics of L78S09C Table 7. Electrical characteristics of L78S10C Table 8. Electrical characteristics of L78S12C Table 9. Electrical characteristics of L78S15C Table 10. Electrical characteristics of L78S18C Table 11. Electrical characteristics of L78S24C 6 Typical performance Figure 8. Dropout voltage vs. junction temperature Figure 9. Peak output current vs. input/output differential voltage Figure 10. Output impedance vs. frequency Figure 11. Output voltage vs. junction temperature Figure 12. Supply voltage rejection vs. frequency Figure 13. Quiescent current vs. junction temperature Figure 14. Load transient response Figure 15. Line transient response Figure 16. Quiescent current vs. input voltage Figure 17. Fixed output regulator Figure 18. Constant current regulator Figure 19. Circuit for increasing output voltage Figure 20. Adjustable output regulator (7 to 30 V) Figure 21. 0.5 to 10 V regulator Figure 22. High current voltage regulator Figure 23. High output current with short circuit protection Figure 24. Tracking voltage regulator Figure 25. Positive and negative regulator Figure 26. Negative output voltage circuit Figure 27. Switching regulator Figure 28. High input voltage circuit Figure 29. High input voltage circuit Figure 30. High output voltage regulator Figure 31. High input and output voltage Figure 32. Reducing power dissipation with dropping resistor Figure 33. Remote shutdown Figure 34. Power AM modulator (unity voltage gain, IO £ 1 A) Figure 35. Adjustable output voltage with temperature compensation Figure 36. Light controllers (VOmin = VXX + VBE) Figure 37. Protection against input short-circuit with high capacitance loads 7 Package mechanical data Figure 38. TO-220 (dual gauge) drawing Table 12. TO-220 (dual gauge) mechanical data Figure 39. TO-220 SG (single gauge) drawing Table 13. TO-220 SG (single gauge) mechanical data 8 Packaging mechanical data Figure 40. Tube for TO-220 (dual gauge) (mm.) Figure 41. Tube for TO-220 (single gauge) (mm.) 9 Revision history Table 14. Document revision history