L78M20CDT-TR(2006) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

L78M20CDT-TR
(Rev.:2006)

Positive voltage regulators

STMicroelectronics 

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.

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