BCR420UW6 Datasheet, PDF (3/13 Pages) Diodes Incorporated – LINEAR LED CONSTANT CURRENT REGULATOR IN SOT26

BCR420UW6 / BCR421UW6
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Collector-Emitter Breakdown Voltage
Enable Current
BCR420U
BCR421U
DC Current Gain
Internal Resistor
Bias Resistor
BCR420U
BCR421U
Output Current
BCR420U
BCR421U
Output Current at
REXT = 5.1Ω
BCR420U
BCR421U
Voltage Drop (VREXT)
Minimum Output Voltage
Output Current Change
vs. Temperature
BCR420U
BCR421U
Output Current Change
vs. Supply Voltage
BCR420U
BCR421U
Symbol
BVCEO
IEN
hFE
RINT
RB
IOUT
IOUT
VDROP
VOUT(MIN)
ΔIOUT/IOUT
ΔIOUT/IOUT
Min
40
—
—
200
85
—
—
9
9
—
—
0.85
—
—
—
—
—
Typ
—
1.2
1.2
350
20
1.5
10
10
150
150
0.95
1.4
-0.2
-0.2
1
1
Max
—
—
—
500
105
—
—
11
11
—
—
1.05
—
—
—
—
—
Unit
V
mA
—
Ω
kΩ
mA
mA
mA
mA
V
V
%/°C
%/V
Test Condition
IC = 1mA
VEN = 24V
VEN = 3.3V
IC = 50mA; VCE = 1V
IRINT = 10mA
—
—
VOUT = 1.4V; VEN = 24V
VOUT = 1.4V; VEN = 3.3V
VOUT > 2.0V; VEN = 24V
VOUT > 2.0V; VEN = 3.3V
IOUT = 10mA
IOUT > 18mA
VOUT > 2.0V; VEN = 24V
VOUT > 2.0V; VEN = 3.3V
VOUT > 2.0V; VEN = 24V
VOUT > 2.0V; VEN = 3.3V
BCR420UW6 / BCR421UW6
Document number: DS37667 Rev. 4 - 2
3 of 13
www.diodes.com
June 2016
© Diodes Incorporated