Typical performance
Figure 24. High input voltage circuit
L78M00 series
VIN = VI - (VZ + VBE)
Figure 25. Reducing power dissipation with dropping resistor
R = _V_I_(m__in_)-_V_X_X_-V__D_R_O_P_(m_a_x_)_
IO(max)+Id(max)
Figure 26. Power AM Modulator (unity voltage gain, IO ≤0.5)
Note:
16/30
The circuit performs well up to 100 KHz.