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LNK408LG Datasheet(PDF) 15 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) 15 Page - Power Integrations, Inc.

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Rev. D 08/11
15
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
Auto-Restart
Auto-Restart ON-Time
t
AR
T
J = 25 °C
V
BP = 5.9 V
40
ms
Auto-Restart
Duty Cycle
DC
AR
T
J = 25 °C
3.1
%
SOA Minimum Switch
ON-Time
t
ON(SOA)
T
J = 25 °C
See Note B
1.75
ms
FEEDBACK Pin
Current During
Auto-Restart
I
FB(AR)
0 °C < T
J < 100 °C
17.5
mA
REFERENCE Pin
REFERENCE Pin
Voltage
V
R
R
R = 24.9 kW
0 °C < T
J < 100 °C
1.215
1.245
1.275
V
REFERENCE Pin
Current
I
R
48.45
49.70
50.95
mA
Current Limit/Circuit Protection
Full Power
Current Limit
(C
BP = 100 mF)
I
LIMIT(F)
T
J = 25 °C
di/dt = 174 mA/ms
LNK404, LNK414
1.02
1.18
A
di/dt = 174 mA/ms
LNK405, LNK415
1.24
1.44
di/dt = 225 mA/ms
LNK406, LNK416
1.50
1.74
di/dt = 320 mA/ms
LNK407, LNK417
1.77
2.06
di/dt = 350 mA/ms
LNK408, LNK418
2.39
2.77
di/dt = 426 mA/ms
LNK409, LNK419
3.26
3.79
Reduced Power
Current Limit
(C
BP = 10 mF)
I
LIMIT(R)
T
J = 25 °C
di/dt = 133 mA/ms
LNK403, LNK413
0.75
0.85
A
di/dt = 195 mA/ms
LNK404, LNK414
0.81
0.94
di/dt = 192 mA/ms
LNK405, LNK415
1.00
1.16
di/dt = 240 mA/ms
LNK406, LNK416
1.19
1.38
di/dt = 335 mA/ms
LNK407, LNK417
1.42
1.66
di/dt = 380 mA/ms
LNK408, LNK418
1.73
2.01
di/dt = 466 mA/ms
LNK409, LNK419
2.35
2.73
Minimum ON-Time
Pulse
t
LEB + tIL(D)
T
J = 25 °C
300
500
700
ns
Leading Edge
Blanking Time
t
LEB
T
J = 25 °C
See Note B
150
500
ns
Current Limit Delay
t
IL(D)
T
J = 25 °C
See Note B
150
ns
Thermal Shutdown
Temperature
135
142
150
°C
Thermal Shutdown
Hysteresis
75
°C
BYPASS Pin Power-Up
Reset Threshold
Voltage
V
BP(RESET)
0 °C < T
J < 100 °C
2.25
3.5
4.25
V


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