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| BCR320U Datasheet, PDF (3/12 Pages) Infineon Technologies AG – LED Driver | |||
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BCR320U / BCR321U
Electrical Characteristics at TA=25°C, unless otherwise specified
Parameter
Symbol
Values
Unit
min. typ. max.
Characteristics
Collector-emitter breakdown voltage
IC = 1 mA, IB = 0
VBR(CEO) 16
-
-V
Enable current
VEN = 12 , BCR320U
VEN = 3.3 , BCR321U
IEN
mA
-
1.2
-
-
1.2
-
DC current gain
IC = 50 mA, VCE = 1 V
hFE
200 350 500 -
Internal resistor
IRint = 10 mA
Bias resistor
BCR320U
Rint
65 90 105 â¦
RB
kâ¦
-
10
-
BCR321U
-
1.5
-
Output current
Vout = 1.4 V, VEN = 12 V, BCR320U
Vout = 1.4 V, VEN = 3.3 V, BCR321U
Vout = 1.4 V, VEN = 12 V, REXT = 3 â¦,
BCR320U
Iout
mA
8
10 12
8
10 12
-
250
-
Vout = 1.4 V, VEN = 3.3 , REXT = 3 â¦,
BCR321U
-
250
-
Voltage drop (VRext)
IC = 10 mA
Vdrop
0.85 0.95 1.05 V
DC Characteristics with stabilized LED load
Lowest sufficient supply voltage overhead
VSmin
-
1.4
-V
Iout > 18mA
Output current change versus TA
âIout/Iout
%/K
VEN = 12 V; Vout > 2.0 V, BCR320U
- -0.2 -
VEN = 3.3 V; Vout > 2.0 V, BCR321U
- -0.2 -
Output current change versus VS
VEN = 12 V; Vout > 2.0 V, BCR320U
VEN = 3.3 V; Vout > 2.0 V, BCR321U
âIout/Iout
%/V
-
1
-
-
1
-
3
2010-01-15
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