SC4614 데이터 시트보기 (PDF) - Semtech Corporation
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SC4614 Datasheet PDF : 14 Pages
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POWER MANAGEMENT
Applications Information (Cont.)
Performance Characteristics (12V Input)
Efficiency (%) vs Load Current
90
85
80
75
70
65
60
1
3
5
7
9
11
13
15
Load Current (A)
Load Characteristics (Output vs Load Current)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
5
10
15
20
Load Current(A)
Gate Waveforms (Io=15A)
DL (10V/DIV)
DH (10V/DIV)
SC4614
Start up
12V Input (5V/DIV)
1.5V Output (1V/DIV)
X=5 m s /DIV
Transient Response
1.5V Output Respo nse (100mV/DIV)
Step Load Current (10A/DIV)
X =2 0 us /DIV
Short Circuit Protection
Output Short
1.5V OUT (1V/DIV)
PN (10V/DIV)
2005 Semtech Corp.
X =5 0 ns /DIV
11
Output Current (10A/DIV)
X= 5 m s /DIV
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