LM3814 Datasheet, PDF (7/14 Pages) National Semiconductor (TI) – Fast Current Gauge IC with Ultra Low Loss Sense Element and PWM Output

Typical Performance Characteristics Supply bypass capacitor is 0.1µF and filter capacitor is
0.1µF. (Continued)
Error vs Current (LM3814-1.0 and LM3815-1.0)
(Note 10)
Error vs Current (LM3814-7.0 and LM3815-7.0)
(Note 10)
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Note 10: These curves represent a statistical average such that the noise is insignificant.
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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 10kΩ resistor.
FIGURE 1. High Side Sense
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FIGURE 2. Low Side Sense
7
DS101013-6
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