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AS1344

Datasheet - A p p l i c a t i o n I n f o r m a t i o n

LED Power Supply Application

Figure 36).

Figure 36. LED Supply Application

The output voltage is adjusted automatically to the required voltage of the LEDs. This voltage depends on the forward

Note:

Where:

n .... number of LEDs

1

EN

3

GND

4

10

FB

6

LX

On

Off

AS1344

6.8µH

10µF

to 3.6V

D1

4.7µF

100

Ω

7

SWOUT

5

PGND

9

VOUT

2

POK

100k

Ω

8

VIN

(EQ 4)

() n

×

+

=

(EQ 5)

----------

=