Typical c, Characteris, Stics – pwm – Diodes ZXLD1371 User Manual

Page 9: M/thermal, Dimming, Ld1371, Zxld1371, S. time - pw, Wm pin trans, Adio

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background image

ZXLD1371

Document number

Typical C

r: DS35436 Rev. 1

Characteris

0

250

500

750

1000

1250

1500

0

L

E

D C

U

RR

ENT (

m

A)

0%

20%

40%

60%

80%

100%

0

L

E

D

C

URR

ENT

DIMM

ING F

A

CT

OR

- 2

stics – PWM

I

LED

vs

10

20

T = 25°C

A

V

= V

=

L = 33µH, R

IN

AUX

S

f

= 100Hz

PWM

250

ww

M/Thermal

s. Time - PW

P

LED C

0

30

4

24V

=150m

Ω

z

0

50

T

LED Current

A

9 of 42

ww.diodes.com

Dimming

WM Pin Trans

PWM DUTY CYCLE

Current vs. PWM D

40

50

00

PIN VOLTAGE (

Dimming Factor vs

ADJ

A

Dio

sient Respon

E (%)

Duty Cycle

60

70

750

(mV)
s. T

Voltage

ADJ

A Product Lin

odes Incorpor

nse

I

LED

80

90

1000

ZX

Febru

© Diodes

ne of

rated

100

1250

LD1371

uary 2012

Incorporated

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