LD2981CM30TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

LD2981CM30TR

Ultra low-drop voltage regulators with inhibit

STMicroelectronics 

List of figures

List of figures

LD2981

Figure 1: Schematic diagram ......................................................................................................................5

Figure 2: Pin connections (top view)...........................................................................................................6

Figure 3: Application circuit.........................................................................................................................8

Figure 4: Output voltage vs temperature ..................................................................................................12

Figure 5: Dropout voltage vs temperature ................................................................................................12

Figure 6: Line regulation vs temperature ..................................................................................................12

Figure 7: Load regulation vs temperature.................................................................................................12

Figure 8: Dropout voltage vs temperature ................................................................................................13

Figure 9: Quiescent current vs temperature .............................................................................................13

Figure 10: Quiescent current vs output current ........................................................................................13

Figure 11: Off mode quiescent current vs temperature ............................................................................13

Figure 12: Quiescent current vs input voltage ..........................................................................................13

Figure 13: Dropout voltage vs output current ...........................................................................................13

Figure 14: Inhibit input current vs temperature .........................................................................................14

Figure 15: Inhibit voltage vs temperature .................................................................................................14

Figure 16: Supply voltage rejection vs frequency .....................................................................................14

Figure 17: Noise voltage vs frequency .....................................................................................................14

Figure 18: Best case: highest output version ...........................................................................................14

Figure 19: Worst case: lowest output version...........................................................................................14

Figure 20: Load transient response ..........................................................................................................15

Figure 21: Line transient response ...........................................................................................................15

Figure 22: Reverse current test circuit ......................................................................................................17

Figure 23: SOT-89 package outline..........................................................................................................18

Figure 24: SOT-89 recommended footprint ..............................................................................................20

Figure 25: SOT-89 carrier tape outline .....................................................................................................21

Figure 26: SOT23-5L package outline......................................................................................................22

Figure 27: SOT23-5L recommended footprint ..........................................................................................23

Figure 28: SOT23-5L tape and reel outline ..............................................................................................24

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