Performance characteristics, Ap3036b, A product line of diodes incorporated – Diodes AP3036B User Manual

Page 7

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AP3036B

Document number: DS37004 Rev.

1 - 2

7 of 11

www.diodes.com

March 2014

© Diodes Incorporated

AP3036B

A Product Line of

Diodes Incorporated

N

E

W

P

R

O

D

U

C

T

0

20

40

60

80

100

0

5

10

15

20

25

30

L

ED

C

u

rre

n

t

(m

A)

Duty (%)

V

IN

=3.6V, 5 LEDs

PWM Frequency=0.5kHz

0

20

40

60

80

100

0

5

10

15

20

25

30

L

ED Cu

rre

n

t

(m

A)

Duty (%)

V

IN

=3.6V, 5 LEDs

PWM Frequency=100kHz

Performance Characteristics

(Cont. The WLED forward voltage (V

F

) is 3.45V at I

F

= 20mA, unless otherwise noted.)

LED Current vs. Duty LED Current vs. Duty












Powering On PWM Dimming

(V

IN

= 3.6V, V

CTRL

= 2.5V, I

LED

= 20mA, 5 LEDs)

(V

IN

= 3.6V, V

PWM

= 2.5V, f

PWM

= 0.5kHz,

Duty = 50%, 5 LEDs)







Time 40

s/div Time 10ms/div

Output Voltage Ripple PWM Dimming

(V

IN

= V

CTRL

= 3.6V, I

LED

= 20mA, 5 LEDs) (V

IN

= 3.6V, V

PWM

= 2.5V, f

PWM

= 100kHz,

Duty = 50%, 5 LEDs)







Time 1

s/div Time 10

s/div

V

IN

2V/div

V

SW

10V/div

V

OUT

10V/div

I

L

100mA/div

V

CTRL

2V/div

V

SW

10V/div

V

OUT

10V/div

I

LED

10mA/div

V

IN

2V/div

V

SW

10V/div

V

OUT

1

(AC)

100mV/div

I

L

100mA/div

V

IN

2V/div

V

SW

10V/div

V

OUT

10V/div

I

LED

10mA/div

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