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SC4808BIMSTR 数据表(PDF) 11 Page - Semtech Corporation

部件名 SC4808BIMSTR
功能描述  High Performance Dual Ended PWM Controller
PDF  31 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC4808BIMSTR 数据表(HTML) 11 Page - Semtech Corporation

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11
 2005 Semtech Corp.
www.semtech.com
SC4808A/B
POWER MANAGEMENT
100
105
110
115
120
125
130
135
140
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
LUVLO (Hysteresis)
Vcc UVLO Hysteresis vs. Temperature
Line UVLO vs. Temperature
Line UVLO Hysteresis vs. Temperature
Oscillator Frequency vs. Temperature
Synchronization Frequency vs. Temperature
Maximum Duty Cycle vs. Temperature
SC4808B Typical Characteristics (Cont.)
49.4
49.4
49.4
49.4
49.4
49.5
49.5
49.5
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Maximum Duty Cycle
650
652
654
656
658
660
662
664
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Sync. Frequency @ Fosc = 500kHz
200
400
600
800
1000
1200
1400
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Oscillator Frequency 1MHz
Oscillator Frequency 500kHz
3.120
3.125
3.130
3.135
3.140
3.145
3.150
3.155
3.160
3.165
3.170
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
LUVLO (Rising)
84
86
88
90
92
94
96
98
100
-40
-25
-10
5
20
35
50
65
80
95
110
125
Ta (°C)
Vcc UVLO (Hysteresis)



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