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AS3665 数据表(PDF) 9 Page - ams AG

部件名 AS3665
功能描述  9 Channel Advanced Command Driven RGB/White LED Driver
PDF  78 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3665 数据表(HTML) 9 Page - ams AG

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www.austriamicrosystems.com
Revision 1.0.2
8 - 77
AS3665
Datasheet, Confidential - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
VVBAT = 3.6V, TA = +25ºC (unless otherwise specified).
Figure 4. Efficiency vs. Battery voltage, ILEDS=50mA
Figure 5. IVBAT vs. Battery voltage, ILEDS=50mA
40
45
50
55
60
65
70
75
80
85
90
95
2.6
3
3.4
3.8
4.2
Input Voltage (V)
White LED,2.85V,full Bias
White LED,2.85V, 1/4 bias
RGB LATBG66,full bias
RGB LATBG66, 1/4bias
full bias = LEDX_max=25.5mA
1/4 bias = LEDX_max=6.3mA
30
35
40
45
50
55
60
65
70
75
80
85
90
2.6
3
3.4
3.8
4.2
Input Voltage (V)
White LED,2.85V,full Bias
White LED,2.85V, 1/4 bias
RGB LATBG66,full bias
RGB LATBG66, 1/4bias
full bias = LEDX_max=25.5mA
1/4 bias = LEDX_max=6.3mA
Figure 6. ILEDS vs. Battery voltage
Figure 7. ILED1 Linearity of current source vs. Code
full bias = LEDX_max=25.5mA
1/4 bias = LEDX_max=6.3mA
48
49
50
51
52
2.6
3
3.4
3.8
4.2
Input Voltage (V)
White LED,2.85V,full Bias
White LED,2.85V, 1/4 bias
RGB LATBG66,full bias
RGB LATBG66, 1/4bias
0
5
10
15
20
25
0
50
100
150
200
250
Digital Code
TAM B=25deg
TAM B=85deg
TAM B=-25deg
Figure 8. ILED1 Monotony of current source vs. Code
Figure 9. Logarithmic PWM ramp
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
50
100
150
200
250
Digital Code
TAM B=25deg
TAM B=85deg
TAM B=-25deg
0
5
10
15
20
25
0
50
100
150
200
250
Digital Code
ILED
IBAT



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