HFC0400 – FIXED-FREQUENCY FLYBACK CONTROLLER WITH ULTRA-LOW NO LOAD POWER CONSUMPTION
TYPICAL CHARACTERISTICS
Supply Current from
HV vs. Temperature
2.40
2.20
2.00
V
CC
=6V;V
HV
=400V
24
22
20
18
16
14
12
10
8
6
4
-40-25-10 5 20 35 50 65 80 95 110 125
Leakage Current from
HV vs. Temperature
V
CC
=10V;V
HV
=400V
Internal IC Consumption
vs. Temperature
VFB=2V, CL=1nF, VCC=12V
1.40
1.35
1.30
I
CC
(mA)
VCC
SS
(V)
I
HV
(mA)
1.25
1.20
1.15
1.10
1.05
1.00
-40-25 -10 5 20 35 50 65 80 95110 125
1.80
1.60
1.40
1.20
-40-25 -10 5 20 35 50 65 80 95 110125
Break-Down Voltage
vs. Temperature
840
820
800
780
VCC Current-Source
Turn-Off Level, Rising
vs. Temperature
14.40
14.30
14.20
VCC Threshold for HV
Turn-On Detection, Falling
vs. Temperature
11.65
11.60
11.55
11.50
11.45
11.40
11.35
-40-25 -10 5 20 35 50 65 80 95 110 125
VCC
OFF
(V)
V
BV
(V)
760
740
720
700
680
660
640
-40-25-10 5 20 35 50 65 80 95110125
14.10
14.00
13.90
13.80
13.70
-40-25-10 5 20 35 50 65 80 95 110125
8.10
8.05
8.00
VCC Current-Source
Turn-On Level, Falling
vs. Temperature
25.4
25.2
Voltage above VCC Where
the Controller Latches
Off (OVP) vs. Temperature
3
VCC Hysteresis for HV
Turn-On Detection
vs. Temperature
2.9
VCC
OVP
(V)
VCC
ON
(V)
7.95
7.90
7.85
7.80
7.75
7.70
-40-25 -10 5 20 35 50 65 80 95110125
25.0
24.8
24.6
24.4
24.2
-40-25-10 5 20 35 50 65 80 95110125
VCC
OFF
-VCC
SS
(V)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
-40-25-10 5 20 35 50 65 80 95110125
HFC0400 Rev. 1.0
11/28/2012
www.MonolithicPower.com
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© 2012 MPS. All Rights Reserved.
7
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