Rainbow Electronics LM3815 - Manual (Page 8)

Typical Application Circuits
In the application circuits, the 0.1µF ceramic capacitor between pins 1 and 8
is used for bypassing, and the 0.1µF ceramic capacitor between pins 3 and 4 is used for filtering. Shutdown (SD) is tied to
V
DD
through a 10k Ω resistor. (Continued)
10101307
FIGURE 3. Paralleling LM3814 for Higher Load Current
I
TOTAL
= 2.2(D
1
−0.5)I
MAX
+ 2.2(D
2
−0.5)I
MAX
where D
1
is the duty cycle of PWM1 and D
2
is the duty cycle of PWM2.
Please refer to the Product Operation section for more information.
LM3814/LM3815
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