YB1303
Low Dropout LED Driver
Absolute Maximum Ratings
LED1, LED2, LED3 to GND ........ -0.3V to 6V
EN to GND.................................. -0.3V to 6V
CTR to GND ............................... -0.3V to 3V
Power Dissipation by SC70-6 T
A
=85℃........133mW
Junction Temperature Range...............150℃
Storage Temperature Range .....-55℃ to 150℃
Lead Temperature................................250℃
ESD HBM .......................................... 1.5KV
ESD CDM ...........................................750V
Recommended Operating Conditions
LED Cathode Voltage ................. 0.3V to1V
Operating Temperature.........-40℃ to 85℃
Electrical Characteristics
Table 3
(V
IN
=3.3 to 5.5V, V
EN
=3V, T
A
=25°C, unless otherwise noted. V
F
is LED forward voltage.)
Description
LED Cathode Voltage
Output Current Multiplication
Factor
Shutdown Current
LED Current
LED to LED Current Matching
Efficiency
SHDN Logic Low Level
SHDN Logic High Level
η
V
IL
V
IH
V
IN
=3.3V,
(V
IN
– V
CATHODE
) / V
IN
I
LED
< 1μA
I
SET
= 100μA
3
I
SD
I
LED
Symbol
V
CATHODE
I
SET
= 100μA,
V
LED
= 300mV
V
EN
= 0V
I
SET
= 100μA
-3
90
0.5
Test Conditions
MIN
0.3
140
TYP
0.5
200
0.1
20
+3
MAX
1
260
1
μA
mA
%
%
V
V
Units
V
YB1303 Rev.1.0
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YOBON [ YOBON TECHNOLOGIES,INC. ]
