Figure 3 : Quiescent Current vs. Output Current

APPLICATION INFORMATION

≅ 1.25V.Then

°C).

2) As the regulator reference voltage source works

in closed loop, the reference voltage may change

in foldbackcondition.

dissipation of the device with respect to the ther-

mal resistance of the package may be limiting . The

total power dissipation is :

Figure 1 : Output Voltage vs. Temperature.

Figure 2 : Foldback Current Limiting.

L4920/L4921

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