HFC0100—QUASI RESONANT CONTROLLER
TYPICAL PERFORMANCE CHARACTERISTICS (continues)
TA=25℃
OVP Sampling Delay
Vs Temperature
Pin VSD OVP reference level
Vs Temperature
Pin VSD Internal Impedance
Vs Temperature
6.2
6.1
6
30
4
28
26
24
22
20
3.8
3.6
3.4
3.2
3
5.9
5.8
-40 -20
0
25 50 85 105 125
-40 -20
0
25 50 85 105 125
-40 -20
0
25 50 85 105 125
TEMPERATURE (OC)
TEMPERATURE (OC)
TEMPERATURE (OC)
FB Decreasing Level
at which the controller
enter the Burst Mode
Vs Temperature
Sourcing Resistor
Vs Temperature
Sinking Resistor
Vs Temperature
600
550
500
450
400
20
30
25
20
15
10
15
10
5
0
-40 -20
0
25 50 85 105 125
-40 -20
0
25 50 85 105 125
-40 -20
0
25 50 85 105 125
TEMPERATURE (OC)
TEMPERATURE (OC)
TEMPERATURE (OC)
FB Increasing Level
at which the controller
leave the Burst Mode
Vs Temperature
800
750
700
650
600
-40 -20
0
25 50 85 105 125
TEMPERATURE (OC)
HFC0100 Rev. 1.01
9/23/2011
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7
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