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LM3532 Datasheet(PDF) 7 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) 7 Page - Texas Instruments

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2.3
2.9
3.6
4.2
4.9
5.5
VIN (V)
94
92
90
88
86
84
82
80
78
76
74
72
3 LEDs
5 LEDs
7 LEDs
9 LEDs
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
94
92
90
88
86
84
82
80
78
76
74
72
70
4 LEDs
6 LEDs
8 LEDs
10 LEDs
2.5
3.0
3.5
4.0
4.5
5.0
5.5
94
92
90
88
86
84
82
80
78
76
74
72
VIN (V)
9 LEDs
7 LEDs
5 LEDs
3 LEDs
2.5
3.0
3.5
4.0
4.5
5.0
5.5
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
VIN (V)
10 LEDs
8 LEDs
6 LEDs
4 LEDs
2.5
3.0
3.5
4.0
4.5
5.0
5.5
92
90
88
86
84
82
80
78
76
74
VIN (V)
9 LEDs
7 LEDs
5 LEDs
3 LEDs
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
92
90
88
86
84
82
80
78
76
10 LEDs
8 LEDs
6 LEDs
4 LEDs
LM3532
www.ti.com
SNVS653D – JULY 2011 – REVISED JUNE 2013
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 VIN
Efficiency vs VIN
Single String, ILED = 20.2mA per string
Single String, ILED = 20.2mA per string
L = LPS4018-223ML (22µH)
L = LPS4018-223ML (22µH)
Figure 8.
Figure 9.
Efficiency vs VIN
Efficiency vs VIN
Dual String, ILED = 20.2mA per string
Dual String, ILED = 20.2mA per string
L = LPS4018-223ML (22µH)
L = LPS4018-223ML (22µH)
Figure 10.
Figure 11.
Efficiency vs VIN
Efficiency vs VIN
Triple String, ILED = 20.2mA per string
Triple String, ILED = 20.2mA per string
L = LPS4018-223ML (22µH)
L = LPS4018-223ML (22µH)
Figure 12.
Figure 13.
Copyright © 2011–2013, Texas Instruments Incorporated
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