LM3812MX-7.0 National Semiconductor, LM3812MX-7.0 Datasheet - Page 8

• Manufacturer Part Number: LM3812MX-7.0
• Description: IC CURRENT GAUGE 4% 8SOIC
• Manufacturer: National Semiconductor

Specifications of LM3812MX-7.0

• Function: Current Gauge
• Sensing Method: High-Side
• Accuracy: ±4%
• Voltage - Input: 2 ~ 5.25 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• For Use With: LM3812EVAL - BOARD EVALUATION LM3812
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Other names: *LM3812MX-7.0

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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