ncp5890 ON Semiconductor, ncp5890 Datasheet - Page 10

• Manufacturer Part Number: ncp5890
• Description: Light Management Ic Dedicated For Lcd Backlighting And Multi-led Fun Light Applications
• Manufacturer: ON Semiconductor

when Iref = 100 mA).
ILEDREG[0..7] I−LED Peak Current
Bits [B7:B5] : RFU
Bits [B4:B0] : ILED peak current setup
Table 4. Output Current Programmed Value (Iout % = F(Step))
The ILED current is given by Table 4 as a percentage of the maximum programmed ILED value (100% will give 25 mA
RESET
$Step
step
00
01
02
03
04
05
06
07
B7
0
0
Iout %
0.00
0.42
0.49
0.57
0.72
0.87
1.02
1.17
100
0.1
10
B6
0
0
1
−0.1
$Step
0C
0D
0A
0B
0E
0F
08
09
Figure 9. Typical ILED Programming Curve
B5
0
0
10
Iout %
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1.40
1.70
2.00
2.42
2.99
3.63
4.35
5.22
ILED16
STEP
B4
10
0
20.1
$Step
Iout %
10
12
13
14
15
16
17
11
ILED8
B3
0
30.2
Iout %
10.92
13.08
15.80
18.97
22.86
6.24
7.52
9.11
ILED4
B2
0
$Step
1A
1B
1C
1D
1E
18
19
1F
ILED2
B1
0
100.00
Iout %
27.48
33.03
39.72
47.72
57.47
69.18
83.20
ILED1
B0
0