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LNK408LG Datasheet(PDF) 14 Page - Power Integrations, Inc.

Part No. LNK408LG
Description  LinkSwitch-PH LED Driver IC Family
Download  20 Pages
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Maker  POWERINT [Power Integrations, Inc.]
Homepage  http://www.powerint.com
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LNK408LG Datasheet(HTML) 14 Page - Power Integrations, Inc.

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Rev. D 08/11
14
LNK403-409/413-419
www.powerint.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -20 °C to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Control Functions (cont.)
Drain Supply Current
I
CD2
0 °C < T
J < 100 °C
FET Not Switching
1.0
1.3
1.6
mA
I
CD1
0 °C < T
J < 100 °C
FET Switching at f
OSC
0.9
1.5
2.25
VOLTAGE MONITOR Pin
Line Brown-In
Threshold Current
I
UV+
T
J = 25 °C
R
R = 24.9 kW
21.0
22.5
24.0
mA
R
R = 49.9 kW
22.8
24.5
26.2
Line Brown-Out
Threshold Current
I
UV-
T
J = 25 °C
R
R = 24.9 kW
18.5
mA
R
R = 49.9 kW
15.0
Line Brown-In/Out
Hysteresis
I
UV(H)
T
J = 25 °C
R
R = 24.9 kW
1
4
mA
R
R = 49.9 kW
5
9.4
Line Overvoltage
Threshold
I
OV
T
J = 25 °C
R
R = 24.9 kW
R
R = 49.9 kW
Threshold
107
112
117
mA
Hysteresis
4
VOLTAGE MONITOR Pin
Voltage
V
V
0 °C < T
J < 100 °C
I
UV- < IV < IOV
2.75
3.0
3.25
V
VOLTAGE MONITOR Pin
Short-Circuit Current
I
V(SC)
V
V = 5 V
T
J = 25 °C
170
190
210
mA
Remote ON/OFF
Threshold
V
V(REM)
T
J = 25 °C
0.5
V
FEEDBACK Pin
FEEDBACK Pin Current
at Onset of Maximum
Duty Cycle
I
FB(DCMAXR)
0 °C < T
J < 100 °C
85
mA
FEEDBACK Pin Current
Skip Cycle Threshold
I
FB(SKIP)
0 °C < T
J < 100 °C
220
mA
Maximum Duty Cycle
DC
MAX
I
FB(DCMAXR) < IFB < IFB(SKIP)
0 °C < T
J < 100 °C
90
99.9
%
FEEDBACK Pin Voltage
V
FB
I
FB = 150 mA
0 °C < T
J < 100 °C
2.08
2.40
2.62
V
FEEDBACK Pin
Short-Circuit Current
I
FB(SC)
V
FB = 5 V
T
J = 25 °C
320
400
480
mA
Duty Cycle Reduction
DC10
I
FB = IFB(AR), TJ = 25 °C, See Note B
10
%
DC40
I
FB = 40 mA, TJ = 25 °C
20
DC60
I
FB = 60 mA, TJ = 25 °C
36


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