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Typical application circuits – Rainbow Electronics LM3813 User Manual

Page 9

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Typical Application Circuits

In the application circuits, the 0.1 µF ceramic capacitor between pins 1 and 8

is used for bypassing, and the 0.1 µF ceramic capacitor between pins 3 and 4 is used for filtering. Shutdown (SD) is tied to
V

DD

through a 10 k

Ω resistor. (Continued)

10012208

FIGURE 4. High Voltage Operation — V

IN

Greater Than 5.25V (High Side Sense)

(PWM output is referred to Pin 7)

10012209

FIGURE 5. High Voltage Operation — V

IN

Greater Than 5.25V (Low Side Sense)

LM3812/LM3813

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