LNK403-409/413-419
Conditions
SOURCE = 0 V; TJ = -20 °C to 125 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Control Functions (cont.)
0 °C < TJ < 100 °C
FET Not Switching
ICD2
ICD1
1.0
0.9
1.3
1.5
1.6
Drain Supply Current
mA
0 °C < TJ < 100 °C
FET Switching at fOSC
2.25
VOLTAGE MONITOR Pin
RR = 24.9 kW
TJ = 25 °C
21.0
22.8
22.5
24.5
18.5
15.0
4
24.0
26.2
Line Brown-In
Threshold Current
IUV+
mA
mA
mA
RR = 49.9 kW
RR = 24.9 kW
TJ = 25 °C
Line Brown-Out
Threshold Current
IUV-
RR = 49.9 kW
RR = 24.9 kW
TJ = 25 °C
1
5
Line Brown-In/Out
Hysteresis
IUV(H)
RR = 49.9 kW
9.4
TJ = 25 °C
RR = 24.9 kW
RR = 49.9 kW
Threshold
Hysteresis
107
112
4
117
Line Overvoltage
Threshold
IOV
mA
VOLTAGE MONITOR Pin
Voltage
0 °C < TJ < 100 °C
VV
2.75
170
0.5
3.0
3.25
210
V
mA
V
IUV- < IV < IOV
VOLTAGE MONITOR Pin
Short-Circuit Current
VV = 5 V
TJ = 25 °C
IV(SC)
190
Remote ON/OFF
Threshold
VV(REM)
TJ = 25 °C
FEEDBACK Pin
FEEDBACK Pin Current
at Onset of Maximum
Duty Cycle
IFB(DCMAXR)
0 °C < TJ < 100 °C
0 °C < TJ < 100 °C
85
mA
FEEDBACK Pin Current
Skip Cycle Threshold
IFB(SKIP)
DCMAX
VFB
220
90
mA
%
V
IFB(DCMAXR) < IFB < IFB(SKIP)
0 °C < TJ < 100 °C
Maximum Duty Cycle
FEEDBACK Pin Voltage
99.9
2.62
480
IFB = 150 mA
2.08
2.40
400
0 °C < TJ < 100 °C
FEEDBACK Pin
Short-Circuit Current
VFB = 5 V
TJ = 25 °C
IFB(SC)
320
10
mA
DC10
DC40
DC60
IFB = IFB(AR), TJ = 25 °C, See Note B
IFB = 40 mA, TJ = 25 °C
Duty Cycle Reduction
20
36
%
IFB = 60 mA, TJ = 25 °C
14
Rev. D 08/11
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