SC4808B-1 데이터 시트보기 (PDF) - Semtech Corporation
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SC4808B-1 Datasheet PDF : 28 Pages
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SC4808B-1
POWER MANAGEMENT
SC4808B-1 Typical Characteristics
(SC4808B-1A)
100.0
95.0
Start up Iq, Vcc = 4V
90.0
85.0
80.0
75.0
70.0
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ta (°C)
Iq (start up) vs. Temperature
1.69
1.68
FB to CS Offset
1.67
1.66
1.65
1.64
1.63
1.62
1.61
1.60
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ta (°C)
FB to CS Offset vs. Temperature
3.90
3.85
Operating Iq, Vcc = 5V
Operating Iq, Vcc = 5.25V
3.80
3.75
3.70
3.65
3.60
-40 -25 -10 5 20 35 50 65 80 95 110 125
Ta (°C)
Iq (operating) vs. Temperature
1100
1000
Max Current Sense Signal
Over Current Signal
900
800
700
600
500
400
-40
-25 -10 5 20 35 50 65 80 95
Ta (°C)
Current sense vs. Temperature
110 125
3.22
3.21
Reference, Vcc = 5V
3.2
3.19
3.18
3.17
3.16
-40 -25 -10 5
20 35 50 65 80 95 110 125
Ta (°C)
Reference vs. Temperature
4.500
4.450
Vcc UVLO (Rising)
Vcc UVLO (Falling)
4.400
4.350
4.300
4.250
4.200
-40
-25 -10 5 20 35 50 65 80
Ta (°C)
Vcc UVLO vs. Temperature
95 110 125
2006 Semtech Corp.
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