SC121 Просмотр технического описания (PDF) - Semtech Corporation
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SC121 Datasheet PDF : 23 Pages
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SC121
Typical Characteristics — V = 4.0V (continued)
OUT
Temperature Reg. — Low Load (VOUT = 4.0V)
R1 = 976kΩ, R2 = 412kΩ, L = 4.7μH, CFB = 22pF, IOUT = 1mA
4.1
Temperature Reg. — High Load (V = 4.0V)
OUT
R1 = 976kΩ, R2 = 412kΩ, L = 4.7μH, CFB = 22pF, IOUT = 110mA
4.1
4.05
4
3.95
V = 3.6V
IN
V = 1.2V
IN
V = 2.4V
IN
4.05
4
3.95
V = 3.6V
IN
V = 2.4V
IN
V = 1.2V
IN
3.9
3.9
3.85
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Max. I vs. V (V = 4.0V)
OUT
IN OUT
R1 = 976kΩ, R2 = 412kΩ, L = 4.7μH, CFB = 22pF
500
450
T = –40°C
A
400
350
300
250
200
150
T = 85°C
A
TA = 25°C
100
50
0
0.8
1.2 1.6
2
2.4
2.8
3.2
3.6
VIN (V)
3.85
-50
-25
0
25
50
75
100
Junction Temperature (oC)
10
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