SC1565IST-2.5(2005) 데이터 시트보기 (PDF) - Semtech Corporation

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SC1565IST-2.5
(Rev.:2005)

Very Low Dropout 1.5 Amp Regulator With Enable

Semtech Corporation 

POWER MANAGEMENT

Applications Information (Cont.)

SC1565

Co=2.2uF, Stable Region:

Unstable Region:

0.001

0.01

0.1

1

ESR(Ohms)

1.5mA

Co=22uF, Stable Region:

Unstable Region:

15mA

Load

150mA

1.5A

10

0.001

0.01

0.1

1

ESR(Ohms)

1.5m A

15mA

Load

150mA

1.5A

10

Co=220uF, Stable Region:

Unstable Region:

1.5mA

15mA

Load

150mA

0.001

0.01

0.1

1

ESR(Ohms)

1.5A

10

Figure 1: Phase-margin Contour Plot

 2005 Semtech Corp.

9

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