SC4624A View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC4624A

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

Semtech Corporation 

1 2 3 4 5 6 7 8 9 10 Next

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

SC4624A

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

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