ILC6377SO-ADJ 데이터 시트보기 (PDF) - Impala Linear Corporation
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ILC6377SO-ADJ Datasheet PDF : 11 Pages
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0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown
Typical Performance Characteristics
General conditions for all curves: Circuit of figure 1; L = 20µH (Sumida, CD54), CIN = 47µF (tantalum) with 0.1µF (ceramic),
CL = 47µH (tantalum) MA735 (Matsushita) schottky diode, CSS = 4700pF (ceramic), TA = 25°C unless otherwise noted.
EFFICIENCY vs. AMBIENT TEMPERATURE
MINIMUM OPERATING VOLTAGE vs. AMBIENT TEMPERATURE
ILC6377SO-33
100
ILC6377SO-33
1.8
90
1.6
80
1.4
70
1.2
60
50
-40 -20 0
20
40
60 80
AMBIENT TEMP.: Ta(°C)
SOFT-START TIME vs. AMBIENT TEMPERATURE
ILC6377SO-33
16
12
8
4
0
-40 -20 0
20
40
60 80
AMBIENT TEMP.: Ta(°C)
1.0
0.8
-40 -20 0
20
40
60 80
AMBIENT TEMP.: Ta(°C)
CE “L” VOLTAGE vs. AMBIENT TEMPERATURE
ILC6377SO-33
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20 0
20
40
60 80
AMBIENT TEMP.: Ta(°C)
CE “H” VOLTAGE vs. AMBIENT TEMPERATURE
ILC6377SO-33
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20 0
20
40
60 80
AMBIENT TEMP.: Ta(°C)
Impala Linear Corporation
ILC6377 1.3
(408) 574-3939
www.impalalinear.com
June 1999 10
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