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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.5 Nov.21, 2019

LED1113

VCC+13V

D3

1W LED

U2

LED1113/A

GND

OUT

Iset

Rset

3.6/2W

D2

1W LED

D1

1W LED

VCC+12V

D2

0.5W LED

U2

LED1113/A

GND

OUT

Iset

Rset

7.2/1W

D1

0.5W LED

IOUT=1.25V/3.6=347mA

VOUT=2.5V

13V- VLED-VSET=2.02V

=1.25*0.347=0.4W

VLED=10.5V (3.5V*3LED)

IOUT=1.25V/7.2=174mA

VOUT=2.5V

12V- VLED-VSET=3.75V

=3.75*0.174=0.65W

VLED=7V



TYPICAL CHARACTERISTICS

VDROP VS Iout

0.400

0.500

0.600

0.700

0.800

0.900

1.000

1.100

1.200

1.300

0.0

0.1

0.2

0.3

0.4

0.5

Iout

(A)

(V)

VSET vs TEMP

-4.0%

-3.0%

-2.0%

-1.0%

0.0%

1.0%

2.0%

-20

30

80

130

TEMP

(℃)