Datasheet

LT3090
27
3090fa
For more information www.linear.com/LT3090
500mA LED Driver with Grounded LED Tab (Heatsink) 500mA LED Driver with Positive Supply
Low Noise Single Inductor Positive-to-Negative Converter
Typical applicaTions
LT3090
GND
ILIM
SHDN
3090 TA11
–
+
50µA
SET
OUT
IMONN
4.7µF
V
IN
400m
4.7µF
IN
IMONP
10k
4.02k
500mA
V
IN
GND
ILIM
SHDN
3090 TA12
–
+
50µA
LT3090
SET
OUT
IMONN
4.7µF
400m
4.7µF
IN
IMONP
10k
4.02k
500mA
LT3090
GND
ILIM
SHDN
3090 TA13
–
+
50µA
SET
0.1µF
OUT
IMONN
4.7µF
49.9k
1%
V
OUT2
–2.5V
MAX I
OUT
600mA
IN
IMONP
10k
4.7µF
BD
BOOST
SW
FB
LT3480
V
IN
RT
PG
SYNC
RUN/SS
GND V
C
18.2k
–5V
D: DIODES INC. DFLS240L
L: NEC/TOKIN PLC-0755-100
V
IN
12V
330pF
0.47µF
D
L
10µH
68.1k
47µF
100k 47µF
536k
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