參數(shù)資料
型號: SC4808B-1MSTRT
廠商: Semtech Corporation
英文描述: High Performance Dual Ended PWM Controller
中文描述: 高性能雙端PWM控制器
文件頁數(shù): 7/28頁
文件大?。?/td> 453K
代理商: SC4808B-1MSTRT
7
2006 Semtech Corp.
www.semtech.com
SC4808B-1
POWER MANAGEMENT
SC4808B-1 Typical Characteristics
(SC4808B-1A)
4.200
4.250
4.300
4.350
4.400
4.450
4.500
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
V
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
Ta (°C)
50
65
80
95
110
125
I
Operating Iq, Vcc = 5V
Operating Iq, Vcc = 5.25V
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
Ta (°C)
50
65
80
95
110
125
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
Ta (°C)
50
65
80
95
110
125
F
FB to CS Offset
3.16
3.17
3.18
3.19
3.2
3.21
3.22
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
R
Reference, Vcc = 5V
70.0
75.0
80.0
85.0
90.0
95.0
100.0
-40
-25
-10
5
20
35
Ta (°C)
50
65
80
95
110
125
I
Start up Iq, Vcc = 4V
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