SC4624 데이터 시트보기 (PDF) - Semtech Corporation

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SC4624

Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator

Semtech Corporation 

POWER MANAGEMENT

OTyppeicratlioPnerformance Characteristics (Cont.)

Regulation During Switching to Linear Mode

2.54

2.52

2.50

2.48

VOUT

2.46

2.44

2.42

2.40

2.38

2.36

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

IOUT (A)

Figure 13. Loading Regulation

SC4624

ˇˁˋ

3.3Vin

ˇˁˇ

˖˜˦O˘˧Cː˄P˃˃́T˙rʿʳi˖pˌ

ˇˁ˃

5Vin

ˆˁˉ

ˆˁ˅

2.5Vin

˅ˁˋ

˅ˁˇ

˅ˁ˃

˄ˁˉ

˄ˁ˅

˃ˁˋ

˅˃ ˅ˈ ˆ˃ ˆˈ ˇ˃ ˇˈ ˈ˃ ˈˈ ˉ˃ ˉˈ ˊ˃ ˊˈ ˋ˃ ˋˈ ˌ˃ ˌˈ ˄˃˃

˥R˜˦IS˘E˧Tʻ˞(̂K˻̀Ωʼ )

Figure 14. Over Current Setting versus RISET

 2008 Semtech Corp.



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