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LM3822 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3822
Description  Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM Output
PDF  12 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3822 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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