SC121 데이터 시트보기 (PDF) - Semtech Corporation
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SC121 Datasheet PDF : 23 Pages
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SC121
Typical Characteristics — V = 1.8V (continued)
OUT
Temperature Reg. — Low Load (V = 1.8V)
OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH, CFB = 22pF, IOUT = 1mA
1.82
Temperature Reg. — High Load (V = 1.8V)
OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH, CFB = 22pF, IOUT = 50mA
1.82
1.8
1.78
V = 0.8V
IN
V = 1.2V
IN
1.76
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Max. I vs. V (V = 1.8V)
OUT
IN OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH, CFB = 22pF
350
300
T = –40°C
A
250
T = 25°C
A
200
150
T = 85°C
A
100
50
0
0.6 0.7 0.8 0.9 1
1.1 1.2 1.3 1.4 1.5 1.6
VIN (V)
V = 1.6V
IN
1.8
1.78
V = 1.2V
IN
V = 0.8V
IN
1.76
-50
-25
0
25
50
75
100
Junction Temperature (oC)
6
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