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LM3532 Datasheet(PDF) 8 Page - Texas Instruments

Part # LM3532
Description  LM3532 High Efficiency White LED Driver with Programmable Ambient Light Sensing Capability and I2C-Compatible Interface
PDF  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3532 Datasheet(HTML) 8 Page - Texas Instruments

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2.5
3.1
3.7
4.3
4.9
5.5
VIN (V)
1.6
1.4
1.2
0.9
0.7
0.5
-40C
25C
85C
2.5
3.1
3.7
4.3
4.9
5.5
VIN (V)
240.0
220.0
200.0
180.0
160.0
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
25°C
85°C
-40°C
240.0
220.0
200.0
180.0
160.0
140.0
120.0
100.0
80.0
20.0
0.0
40.0
60.0
0
9
18 27 36 45 54 63 72 81 90
91
90
89
88
87
86
85
84
83
82
81
80
79
ILED (mA)
3 LEDs
5 LEDs
7 LEDs
9 LEDs
0
9
18 27 36 45 54 63 72 81 90
91
90
89
88
87
86
85
84
83
82
81
80
79
ILED (mA)
4 LEDs
6 LEDs
8 LEDs
10 LEDs
91
90
89
88
87
86
85
84
83
82
81
80
79
0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90
ILED (mA)
5 LEDs
3 LEDs
7 LEDs
9 LEDs
0 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90
91
90
89
88
87
86
85
84
83
82
81
80
79
ILED (mA)
6 LEDs
4 LEDs
8 LEDs
10 LEDs
LM3532
SNVS653D – JULY 2011 – REVISED JUNE 2013
www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = 3.6V, LEDs (VF = 3.2V@20 mA, TA = 25°C), COUT = 1µF, CIN = 2.2 µF, L = Coilcraft LPS4018 (10 µH or 22 µH), TA =
+25°C unless otherwise specified.
Efficiency vs ILED
Efficiency vs ILED Triple String, VIN = 3.6V
Triple String, VIN = 3.6V
L = LPS4018-103ML (10µH)
L = LPS4018-103ML (10µH)
Figure 14.
Figure 15.
Efficiency vs ILED
Efficiency vs ILED
Triple String, VIN = 3.6V
Triple String, VIN = 3.6V
L = LPS4018-223ML (22µH)
L = LPS4018-223ML (22µH)
Figure 16.
Figure 17.
Shutdown Current vs VIN
Current Sink Matching vs VIN
HWEN = GND
ILED2 to ILED3
Figure 18.
Figure 19.
8
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Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: LM3532



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