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AP4202 Folha de dados(PDF) 21 Page - Asahi Kasei Microsystems

Nome de Peças AP4202
Descrição Electrónicos  100mA 9ch LED
PDF  28 Pages
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Fabricante Electrônico  AKM [Asahi Kasei Microsystems]
Página de início  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AP4202 Folha de dados(HTML) 21 Page - Asahi Kasei Microsystems

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[AP4202]
016015406-J-00
2017/01
- 21 -
10.4.
LED電流設定(定電流出力)
LED電流は、ISET端子とGND間に外部抵抗RISETを接続することで5mA~50mAの範囲で設定できます。
ISET端子がノイズの影響を受けるとLED電流が不安定になるので、RISETを最短に結線して下さい。
ISET_R端子はLEDR0~2のLED駆動電流、ISET_G端子はLEDG0~2のLED駆動電流、ISET_B端子は
LEDB0~2のLED駆動電流を同時に設定します。以下に、LED電流(ILED)とISET端子接続抵抗(RISET)の近似
式、I
LEDとRISETの組合せの表を示します。設定においては実際の基板上で十分確認頂きますようお願い
します。
 
)
(
1000
)
(
Ω
=
k
R
mA
I
ISET
LED
Table 10. ILEDとRISETの組合せ
RISET_R
(kΩ)
RISET_G
(kΩ)
RISET_B
(kΩ)
ILEDRx (mA)
ILEDGx (mA)
ILEDBx (mA)
RISET_R
(kΩ)
RISET_G
(kΩ)
RISET_B
(kΩ)
ILEDRx (mA)
ILEDGx (mA)
ILEDBx (mA)
200.0
5.0
35.7
28.0
166.7
6.0
34.5
29.0
142.9
7.0
33.3
30.0
125.0
8.0
32.3
31.0
111.1
9.0
31.3
32.0
100.0
10.0
30.3
33.0
90.9
11.0
29.4
34.0
83.3
12.0
28.6
35.0
76.9
13.0
27.8
36.0
71.4
14.0
27.0
37.0
66.7
15.0
26.3
38.0
62.5
16.0
25.6
39.0
58.8
17.0
25.0
40.0
55.6
18.0
24.4
41.0
52.6
19.0
23.8
42.0
50.0
20.0
23.3
43.0
47.6
21.0
22.7
44.0
45.5
22.0
22.2
45.0
43.5
23.0
21.7
46.0
41.7
24.0
21.3
47.0
40.0
25.0
20.8
48.0
38.5
26.0
20.4
49.0
37.0
27.0
20.0
50.0



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