SC121 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC121' PDF : 23 Pages View PDF
SC121
Typical Characteristics — V = 5.0V (continued)
OUT
Temperature Reg. — Low Load (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 22pF, IOUT = 1mA
5.05
Temperature Reg. — High Load (V = 5.0V)
OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 22pF, IOUT = 85mA
5.05
5
4.95
4.9
4.85
V = 4.2V
IN
V = 3.2V
IN
V = 2.2V
IN
V = 1.2V
IN
5
4.95
4.9
4.85
V = 4.2V
IN
V = 2.2V
IN
VIN = 1.2V
V = 3.2V
IN
4.8
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Max. I vs. V (V = 5.0V)
OUT
IN OUT
R1 = 931kΩ, R2 = 294kΩ, L = 4.7μH, CFB = 22pF
500
450
T = –40°C
400
A
350
T = 25°C
A
300
250
200
T = 85°C
150
A
100
50
0
0.5 1
1.5 2
2.5 3
3.5 4
4.5
VIN (V)
4.8
-50
-25
0
25
50
75
100
Junction Temperature (oC)
12
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