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SC4808BIMSTRT Folha de dados(PDF) 10 Page - Semtech Corporation

Nome de Peças SC4808BIMSTRT
Descrição Electrónicos  High Performance Dual Ended PWM Controller
PDF  31 Pages
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Fabricante Electrônico  SEMTECH [Semtech Corporation]
Página de início  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4808BIMSTRT Folha de dados(HTML) 10 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC4808A/B
POWER MANAGEMENT
4.200
4.250
4.300
4.350
4.400
4.450
4.500
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Vcc UVLO (Rising)
Vcc UVLO (Falling)
3.60
3.65
3.70
3.75
3.80
3.85
3.90
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Operating Iq, Vcc = 5V
Operating Iq, Vcc = 5.25V
SC4808B Typical Characteristics
(SC4808A)
Iq (start up) vs. Temperature
Iq (operating) vs. Temperature
Reference vs. Temperature
FB to CS Offset vs. Temperature
Current sense vs. Temperature
Vcc UVLO vs. Temperature
400
500
600
700
800
900
1000
1100
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Max Current Sense Signal
Over Current Signal
1.60
1.61
1.62
1.63
1.64
1.65
1.66
1.67
1.68
1.69
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
FB to CS Offset
3.16
3.17
3.18
3.19
3.2
3.21
3.22
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Reference, Vcc = 5V
70.0
75.0
80.0
85.0
90.0
95.0
100.0
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Start up Iq, Vcc = 4V



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