Diodes AP3041 Manuel d'utilisateur télécharger pdf (Page 8)

Data Sheet

Boost Controller for WLED Driver in Medium-sized LCD Panel AP3041

Oct. 2012 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

0 20406080100

100

120

140

LED Current (mA)

PWM Duty (%)

=12V, V

PWM

=5V

PWM

=70Hz

PWM

=200Hz

PWM

=500Hz

PWM

=1kHz

PWM

=2kHz

0 40 80 120 160 200 240 280 320

100

200

300

400

500

600

700

800

900

1000

Frequency (kHz)

(kΩ)

=12V

-50 -25 0 25 50 75 100 125 150

0.46

0.48

0.50

0.52

0.54

(V)

Temperature (

=12V

-75 -50 -25 0 25 50 75 100 125 150

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

Supply Current (mA)

Temperature (

=12V

=24V

Typical Performance Characteristics

Figure 4. LED Current vs. PWM Duty Figure 5. Frequency vs. R

Figure 6. V

vs. Temperature Figure 7. Supply Current vs. Temperature

1 2 3 4 5 6 7 8 9 10 11 12 13 14

PWM pin and the signal 3
Parameter Symbol Value Unit 6
=3.3V, T 7
Frequency (kHz) 8
Typical Application 12

Commentaires sur ces manuels

Pas de commentaire

Diodes AP3041 Manuel d'utilisateur Page 8

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Diodes AP3041