SC120 데이터 시트보기 (PDF) - Semtech Corporation
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SC120 Datasheet PDF : 32 Pages
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SC120
Typical Characteristics — V = 3.3V (continued)
OUT
Temperature Regulation — PSAVE Mode (VOUT = 3.3V)
FB grounded, L = 4.7μH, IOUT = 5mA
3.4
V = 2.0V
IN
VIN = 3.0V
3.36
Temperature Regulation — PWM Mode (V = 3.3V)
OUT
FB grounded, L = 4.7μH, IOUT = 75mA
3.4
3.36
3.32
V = 1.0V
IN
3.32
V = 3.0V
IN
3.28
3.24
3.2
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Maximum Load Current vs. V (V = 3.3V)
IN OUT
FB grounded, L = 4.7μH
90
80
70
T = 85°C
60
A
50
40
T = –40°C
A
30
20
10
T = 25°C
A
0
0.6
1
1.4
1.8
2.2
2.6
3
3.4
VIN (V)
3.28
3.24
V = 1.0V
IN
V = 2.0V
IN
3.2
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Minimum Load Resistance vs. VIN (VOUT = 3.3V)
FB grounded, L = 4.7μH
160
140
T = 25°C
A
120
100
80
T = –40°C
A
60
40
T = 85°C
A
20
0
0.6
1
1.4
1.8
2.2
2.6
3
3.4
VIN (V)
Maximum I vs. V (V = 3.3V)
OUT
IN OUT
FB grounded, L = 4.7μH
500
450
T = –40°C
A
400
350
300
250
T = 85°C
200
A
150
100
50
0
0.6
1
1.4
1.8
2.2
VIN (V)
T = 25°C
A
2.6
3
3.4
8
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