L200 Datasheet, PDF (9/12 Pages) STMicroelectronics – ADJUSTABLE VOLTAGE AND CURRENT REGULATOR

Figure 26. High Input and Output Voltage.
L200
Figure 27. Constant Current Battery Charger.
Figure 28. 30 W Motor Speed Control.
The resistors R₁ and R₂ determine the final charging volt-
age and R_SC the initial charging current. D₁ prevents dis-
charge of the battery throught the regulator.
The resistor RL limits the reverse currents through ther
regulator (which should be 100 mA max) when the bat-
tery is accidentally reverse connected. If R_L is in series
with a bulb of 12 V/50 mA rating this will indicate incor-
rect connection.
Figure 29. Loww Turn on.
Figure 30. Light Controller.
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