Datasheet > BL2940_16

BL2940_16

更新时间： 2022-02-26 13:19:12

品牌	Logo	应用领域
上海贝岭 - BELLING		/
页数	文件大小	规格书
15页	959K
描述
1A Low-Dropout Voltage Regulator

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BL2940_16 数据手册

BL2940

Typical Application

BL2940

Note：1.C1 is required if regulator is located far from power supply filter.

2.C_OUTmust be higher than 22μF for stability, and locate as close as possible to the regulator.

Application Information

External Capacitors

The output capacitor is critical to maintaining regulator stability, and must meet the required conditions for both

ESR (Equivalent Series Resistance) and minimum amount of capacitance.

Minimum Capacitance:

The minimum output capacitance required to maintain stability is 22 μF (this value may be increased without

limit). Larger values of output capacitance will give improved transient response.

ESR Limits:

The ESR of the output capacitor will cause loop instability if it is too high or too low. The acceptable range of

ESR plotted versus load current is shown in the graph below. It is essential that the output capacitor meet these

requirements, or oscillations can result.

ESR Limits

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