SG6859 Просмотр технического описания (PDF) - Fairchild Semiconductor
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SG6859 Datasheet PDF : 13 Pages
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Low Cost Green-Mode PWM Controller for Flyback Converters
TYPICAL CHARACTERISTICS
Product Specification
SG6859
Turn-On Threshold Voltage (VDD-ON) vs Temperature
17.0
16.8
16.6
16.4
16.2
16.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Turn-Off Threshold Voltage (VDD-OFF) vs Temperature
14
13
12
11
10
9
8
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Startup Current (IDD-ST) vs Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Operating Supply Current (IDD-OP) vs Temperature
3.0
2.8
2.6
2.4
2.2
2.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Normal PWM Frequency (FOSC) vs Temperature
72.0
71.5
71.0
70.5
70.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Maximum Duty Cycle (DCYMAX) vs Temperature
75.0
74.8
74.6
74.4
74.2
74.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
© System General Corp.
Version 1.2.1(IAO33.0067.B2)
-6-
www.sg.com.tw • www.fairchildsemi.com
September 28, 2007
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