Diodes AP3064 Manuel d'utilisateur télécharger pdf (Page 9)

Preliminary Datasheet

Boost Type LED Driver with 4-Channel Current Source AP3064

Jul. 2012 Rev. 1. 5 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics

=24V, V

=5V, 13 LEDs in series, 4 strings in parallel, 120mA/string, T

=25°C, unless otherwise

specified.

Figure 4. Frequency vs. R

Figure 5. VCC Voltage vs. Input Voltage

Figure 6. V

Regulation Voltage vs. Output Current Figure 7. V

LED

Regulation Voltage vs. Temperature

0 100 200 300 400 500 600 700

100

200

300

400

500

600

700

800

900

1000

1100

1200

Frequency (kHz)

(kΩ)

4 6 8 10121416182022242628303234

3.6

3.8

4.0

4.2

4.4

4.6

4.8

5.0

5.2

5.4

VCC Voltage(V)

Input Voltage(V)

VCC

=2.2µF

60 80 100 120 140 160 180 200 220

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

0.60

Regulation Voltage (V)

Output Current /CH (mA)

=100k

-50 -25 0 25 50 75 100 125 150

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

Regulation Voltage (V)

Temperature (

=24V, R

ISET

=10k

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 19 20

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Diodes AP3064 Manuel d'utilisateur Page 9

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