LM3813EVAL National Semiconductor, LM3813EVAL Datasheet - Page 8

• Manufacturer Part Number: LM3813EVAL
• Description: EVALUATION BOARD FOR LM3813
• Manufacturer: National Semiconductor

Specifications of LM3813EVAL

• Main Purpose: Power Management, Current Monitor: Low Side
• Utilized Ic / Part: LM3813
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Other names: *LM3813EVAL

www.national.com
Typical Application Circuits
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 kΩ resistor. (Continued)
where D
Please refer to the Product Operation section for more information.
FIGURE 3. Paralleling LM3812 for Higher Load Current
1
is the duty cycle of PWM1 and D
I
TOTAL
In the application circuits, the 0.1 µF ceramic capacitor between pins 1 and 8
= 2.2(D
10012207
1
−0.5)I
MAX
8
+ 2.2(D
2
is the duty cycle of PWM2.
2
−0.5)I
MAX