HFC0100 Datasheet, PDF (6/15 Pages) Monolithic Power Systems – QUASI RESONANT CONTROLLER

HFC0100—QUASI RESONANT CONTROLLER
TYPICAL PERFORMANCE CHARACTERISTICS
T_A=25℃
IC Consumption Vs
Vcc (No Output Load)
IC Consumption Vs
Vcc (1nF Output Load)
1100
3400
1000
900
F_S=100kHz
800
700
F_S=60kHz
600
500
400
10 11 12 13 14 15 16 17 18
V_CC (V)
3000
2600
2200
F_S=100kHz
1800
1400
F_S=60kHz
1000
10 11 12 13 14 15 16 17 18
V_CC (V)
Charging Current From Pin
HV (Vcc=6V, VHV=400V) Vs
Temperature
3
2.5
2
1.5
1
-40 -20 0 25 50 85 105 125
TEMPERATURE (^oC)
Vcc Upper Level at which
the Internal High Voltage
Current Source Stops Vs
Temperature
12
Vcc Lower Level at which
the Internal High Voltage
Current Source Triggers Vs
Temperature
8.5
Pin FB Internal Pull Up
Resistor Vs Temperature
12
11.8
8.3
11
11.6
8.1
10
11.4
7.9
9
11.2
7.7
11
-40 -20
0 25 50 85 105 125
TEMPERATURE (^oC)
7.5
-40 -20 0 25 50 85 105 125
TEMPERATURE (^oC)
8
-40 -20 0 25 50 85 105 125
TEMPERATURE (^oC)
Over Load Set Point
Vs Temperature
4
3.8
3.6
3.4
-40 -20 0 25 50 85 105 125
TEMPERATURE (^OC)
Valley Switching Threshold
Voltage Vs Temperature
80
Minimum Off Time
Vs Temperature
9
70
8.5
60
8
50
7.5
40
30
-40 -20 0 25 50 85 105 125
TEMPERATURE (^OC)
7
-40 -20 0 25 50 85 105 125
TEMPERATURE (^OC)
HFC0100 Rev. 1.01
www.MonolithicPower.com
6
9/23/2011
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