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SC4911IMSTRT Datasheet(PDF) 13 Page - Semtech Corporation

Part # SC4911IMSTRT
Description  Bias/Primary Side PWM Controller with Ultra Low Start-up Current
PDF  14 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4911IMSTRT Datasheet(HTML) 13 Page - Semtech Corporation

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 2006 Semtech Corp.
www.semtech.com
SC4911
POWER MANAGEMENT
Typical Characteristics
Vcc Turn-On Voltage vs Temperature
5.10
5.20
5.30
5.40
5.50
5.60
5.70
5.80
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Line UVLO Lockout Threshold vs Temperature
1.236
1.237
1.238
1.239
1.240
1.241
1.242
1.243
1.244
1.245
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Error Amplifier Feedback Voltage vs Temperature
2.490
2.495
2.500
2.505
2.510
2.515
2.520
2.525
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Oscillator Frequency vs Temperature
190.00
191.00
192.00
193.00
194.00
195.00
196.00
197.00
198.00
199.00
200.00
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
Rt = 100k
Max. Duty Cycle vs Temperature
63.00
63.50
64.00
64.50
65.00
65.50
66.00
66.50
-40
-20
0
2040
6080
100
120
Temperature (°C)
Current Limit Threshold vs Temperature
520
521
522
523
524
525
526
527
528
-40
-20
0
2040
6080
100
120
Temperature (°C)
Vcc Zener Shunt Voltage vs Temperature
15.90
15.92
15.94
15.96
15.98
16.00
16.02
16.04
-40
-20
0
20
406080
100
120
Temperature (°C)



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