Typical performance
Figure 32. Reducing power dissipation with dropping resistor
L78xx - L78xxC
R = _V_I_(m__in_)-_V_X_X_-V__D_R_O_P_(m__ax_)_
IO(max)+Id(max)
Figure 33. Remote shutdown
Figure 34. Power AM modulator (unity voltage gain, IO ≤0.5)
Note:
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The circuit performs well up to 100 KHz.