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BCR402U
Analog Silicon SSICs
BCR402U
LED Driver• Supplies stable bias current even at low battery
voltage
• Ideal for stabilizing bias current of LEDs
• Negative temperature coefficient protects
LEDs against thermal overload
• Suitable for 12V automotive applications
Maximum Ratings
Thermal ResistanceFor calculation of RthJA please refer to Application Note Thermal Resistance
BCR402U
Characteristics
DC Characteristics with stabilized LED load
BCR402U
Total power dissipation Ptot = f (TS)
100
200
300
400
600
tot
Permissible Pulse Load RthJS = f (tp)
10 0
-1 10 10 10 10
thJS
Permissible Pulse Load totmax / PtotDC = f (tp) 0 10 10 10 10
totmax
/ P
totDC
BCR402U
Output current versus supply voltageout = f (VS); Rext = ParameterS - Vout = 1.4 V
-2 10
-1 10
out
Supply current versus supply voltageS = f(VS)A = Parameter
0.0002
0.0004
0.0006
0.001
0.0012
0.0014
0.0016
0.002
Output current versus supply voltageout = ƒ(VS), TA = 20°CS -Vout as Parameter
-2 10
-1 10
out
Output current versus supply voltageout = ƒ(VS), VS -Vout = 1.4 VA = Parameter
0.005
0.01
0.015
0.025
out
BCR402U
Output current versus external resistorout = (Rext), VS = 10V, VS -Vout = 1.4 VA = Parameter
10 2
-2 10
-1 10
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