Datasheet

LP2980-N
www.ti.com SNOS733M –APRIL 2000–REVISED JUNE 2013
Multilayer ceramic capacitors that have been verified as suitable for use with the LP2980-N are shown in
Table 2.
Table 2. Surface-Mount Multilayer Ceramic Capacitor Selection Guide
2.2 μF Surface-Mount Ceramic
Manufacturer Part Number
Tokin 1E225ZY5U-C203
Murata GRM42-6Y5V225Z16
4.7 μF Surface-Mount Ceramic
Manufacturer Part Number
Tokin 1E475ZY5U-C304
Figure 34. 1 μF ESR Range Figure 35. 2.2 μF ESR Range
Figure 36. 10 μF ESR Range
REVERSE CURRENT PATH
The internal PNP power transistor used as the pass element in the LP2980-N has an inherent diode connected
between the regulator output and input. During normal operation (where the input voltage is higher than the
output) this diode is reverse biased (See Figure 37).
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