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SC4808A Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC4808A
Description  High Performance Dual Ended PWM Controller
Download  31 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4808A Datasheet(HTML) 7 Page - Semtech Corporation

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 2005 Semtech Corp.
www.semtech.com
SC4808A/B
POWER MANAGEMENT
SC4808A Typical Characteristics
(SC4808A)
7
8
9
10
11
12
13
14
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Vcc UVLO (Rising)
Vcc UVLO (Falling)
400
500
600
700
800
900
1000
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Max Current Sense Signal
Over Current Signal
1.42
1.44
1.46
1.48
1.50
1.52
1.54
1.56
1.58
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
FB to CS Offset
5.020
5.030
5.040
5.050
5.060
5.070
5.080
5.090
5.100
5.110
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Reference
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
3.80
3.90
4.00
4.10
4.20
4.30
4.40
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Operating Iq, Vcc = 12V
Operating Iq, Vcc = 15V
70
75
80
85
90
95
100
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Start up Iq, Vcc = 10V


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