ltc3490 Linear Technology Corporation, ltc3490 Datasheet - Page 10

• Manufacturer Part Number: ltc3490
• Description: Single Cell 350ma Led Driver
• Manufacturer: Linear Technology Corporation

LTC3490
TYPICAL APPLICATIO S
10
1 NiMH OR
1 NiMH OR
ALKALINE
ALKALINE
CELL
CELL
U
+
+
1M
Luxeon Red LED Driver Without Dimming
80
70
60
50
40
30
20
10
90
0
1M
Luxeon Red LED Driver with Dimming
ON/OFF
ON/OFF
1
Efficiency vs V
1.5
RESISTOR
V
CTRL/SHDN
CELLS
V
CTRL/SHDN
CELLS
IN
IN
LTC3490
LTC3490
V
3.3µH
3.3µH
IN
GND
GND
IN
2
(V)
SCHOTTKY
with Red LED
LOBAT
LOBAT
CAP
CAP
LED
LED
SW
SW
2.5
3490 G06
0.6Ω
3
MBRM120E
LUMILEDS
LUXEON
LXHL-BD03
LUMILEDS
LUXEON
LXHL-BD03
4.7µF
4.7µF
3490 TA06
3490 TA07
3490fa