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LM3503SQ-25 데이터시트(PDF) 8 Page - Texas Instruments

부품명 LM3503SQ-25
상세설명  Dual-Display Constant Current LED Driver with Analog Brightness Control
Download  28 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM3503SQ-25 데이터시트(HTML) 8 Page - Texas Instruments

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LED CURRENT (mA)
VIN = 2.7V
2
6
10
14
18
VIN = 5.5V
VIN = 3.3V
VIN = 4.2V
VIN = 3V
4
8
12
16
20
LED CURRENT (mA)
10
20
30
40
50
60
70
80
90
100
0
VIN = 4.2V
6
10
14
18
2
VIN = 5.5V
VIN = 3.3V
VIN = 3V
VIN = 2.7V
0
4
8
12
16
20
20
30
40
50
60
70
80
90
LED CURRENT (mA)
VIN = 2.7V
2
6
10
14
18
VIN = 5.5V
VIN = 3.3V
VIN = 4.2V
VIN = 3V
2
4
6
8
10 12 14 16 18 20
LED CURRENT (mA)
10
20
30
40
50
60
70
80
90
0
VIN = 3V
VIN = 5.5V
VIN = 2.7V
VIN = 4.2V
VIN = 3.3V
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
TEMPERATURE (
oC)
1.75
1.95
-40
1.80
1.85
1.90
VIN = 2.5V
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
1.50
2.00
2.50
3.00
3.50
4.00
2.5
25
oC
125
oC
-40
oC
LM3503
SNVS329D – JULY 2005 – REVISED AUGUST 2006
www.ti.com
Typical Performance Characteristics (continued)
(See Typical Application Circuit :e L=DO1608C-223 and D=B150-13. Efficiency:
η = POUT/ PIN = [(VOUT – VFb ) * IOUT] / [VIN *
IIN]. TA = +25°C, unless otherwise stated.)
IQ (Switching)
IQ (Switching)
vs
vs
VIN
Temperature
Figure 7.
Figure 8.
10 LED Efficiency
8 LED Efficiency
vs
vs
LED Current
LED Current
Figure 9.
Figure 10.
6 LED Efficiency
4 LED Efficiency
vs
vs
LED Current
LED Current
Figure 11.
Figure 12.
8
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Copyright © 2005–2006, Texas Instruments Incorporated
Product Folder Links: LM3503


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