SC120ULTRT Просмотр технического описания (PDF) - Semtech Corporation
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производитель
SC120ULTRT Datasheet PDF : 32 Pages
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SC120
Typical Characteristics — V = 1.8V (continued)
OUT
Temperature Regulation — PSAVE Mode (V = 1.8V)
OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH, IOUT = 5mA
1.84
VIN = 1.6V
Temperature Regulation — PWM Mode (V = 1.8V)
OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH, IOUT = 35mA
1.84
1.82
VIN = 0.8V
1.8
V = 1.2V
IN
1.82
1.8
V = 1.6V
IN
V = 1.2V
IN
1.78
1.76
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Maximum Load Current vs. V (V = 1.8V)
IN OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH
50
40
T = 85°C
A
30
20
10
0
0.7
T = 25°C
A
0.8 0.9 1
T = –40°C
A
1.1 1.2 1.3 1.4 1.5 1.6
VIN (V)
Maximum I vs. V (V = 1.8V)
OUT
IN OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH
350
300
250
T = 25°C
A
200
150
T = –40°C
A
T = 85°C
A
100
50
0
0.7 0.8 0.9 1
1.1 1.2 1.3 1.4 1.5 1.6
VIN (V)
1.78
V = 0.8V
IN
1.76
-50
-25
0
25
50
75
100
Junction Temperature (oC)
Startup Minimum Load Resistance vs. V (V = 1.8V)
IN OUT
R1 = 499kΩ, R2 = 1MΩ, L = 4.7μH
160
140
T = 25°C
120
A
100
T = –40°C
A
80
60
T = 85°C
40
A
20
0
0.7 0.8 0.9 1
1.1 1.2 1.3 1.4 1.5 1.6
VIN (V)
6
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