SC908 查看數據表（PDF） - Semtech Corporation
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SC908 Datasheet PDF : 30 Pages
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SC908
LDO Line Regulation
RL1 = 54.9kΩ, RL2 = 39.2kΩ, TA = 25οC
1.799
ILVOUT = 10mA
1.798
ILVOUT = 100mA
ILVOUT = 50mA
1.797
1.796
ILVOUT = 150mA
1.795
2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 4 4.2
VLVIN (V)
LDO Temperature Regulation
RL1 = 54.9kΩ, RL2 = 39.2kΩ, VLVIN = 3.75V
1.8
1.795
ILVOUT = 10mA
ILVOUT = 50mA
1.79
ILVOUT = 100mA
1.785
ILVOUT = 150mA
1.78
1.775
1.77
-40
-20
0
20
40
60
80
Junction Temperature (oC)
100 120
LDO PSRR, BAT to LVOUT
TA = 25οC, VLVOUT = 1.8V, VLVIN = 3.7VDC, VBAT = 3.7VDC + 0.5VAC
-45
-50
-55
-60
-65
-70
-75
-80
-85
10
100
1000
10000
Frequency (Hz)
1.799
LDO Load Regulation
RL1 = 54.9kΩ, RL2 = 39.2kΩ, TA = 25οC, VLVIN = 3.75V
1.7985
1.798
1.7975
1.797
0
20
40
60
80
100
120
140
ILVOUT (mA)
LDO PSRR, LVIN to LVOUT
TA = 25οC, VLVOUT = 1.8V, VLVIN = 3.7VDC + 0.5VAC, VBAT = 3.7V
-45
-50
-55
-60
-65
-70
-75
-80
-85
10
100
1000
10000
Frequency (Hz)
LDO PSRR, LVIN and BAT to LVOUT
TA = 25οC, VLVOUT = 1.8V, VLVIN = VBAT = 3.7VDC + 0.5VAC
-45
-50
-55
-60
-65
-70
-75
-80
-85
10
100
1000
10000
Frequency (Hz)
11
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