BCR405U ,SSIC Constant Current Sources for driving LEDsapplicationsVPW09197Type Marking Pin Configuration PackageBCR405U L5s1 = GND 2;3;5 = I 4 = V ..
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BCR405U
SSIC Constant Current Sources for driving LEDs
BCR405U
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
BCR405U
Electrical Characteristics at TA=25°C, unless otherwise specified
Characteristics
DC Characteristics with stabilized LED load
BCR405U
Total power dissipation Ptot = f (TS)
0.4
0.8
1.2
1.6
2.4
3.2
tot
Permissible Pulse Load RthJS = f (tp)
10 0
-1 10 10 10 10 10
thJS
Permissible Pulse Load totmax / PtotDC = f (tp) 0 10 10 10 10
totmax
/ P
totDC
BCR405U
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
-2 10
-1 10
out
BCR405U
Output current versus external resistorout = (Rext), VS = 10V, VS -Vout = 1.4 VA = Parameter
10 1 10 2
-2 10
-1 10
out
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