LP2980-N

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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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