LM3822 National Semiconductor, LM3822 Datasheet - Page 6

• Manufacturer Part Number: LM3822
• Description: Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM Output
• Manufacturer: National Semiconductor

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Typical Performance Characteristics
0.1 µF. (Continued)
Operating Current vs Temperature
Current vs PWM Duty Cycle
Note 10: These curves represent a statistical average such that the noise is insignificant.
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 k
resistor.
DS101249-19
DS101249-22
In the application circuits, the 0.1 µF ceramic capacitor between pins 1 and 2
FIGURE 1. High Side Sense
Supply bypass capacitor is 0.1 µF and filter capacitor is
Shutdown Current vs Temperature
Accuracy vs Supply Voltage
6
DS101249-21
DS101249-28
DS101249-5