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LM3532 датащи(PDF) 7 Page - Texas Instruments

номер детали LM3532
подробное описание детали  LM3532 High-Efficiency White LED Driver With Programmable Ambient Light Sensing Capability and I2C-Compatible Interface
PDF  52 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LM3532 датащи(HTML) 7 Page - Texas Instruments

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2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
10.000
8.000
6.000
4.000
2.000
0.000
-2.000
-4.000
-6.000
-8.000
-10.000
85°C
25°C
-40°C
0
32
64
96
128 160 192 224 256
Code (D)
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
2.5
3.1
3.7
4.3
4.9
5.5
VIN (V)
500
450
400
350
300
250
200
150
100
50
TA = +85°C
TA = +25°C
TA = -40°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VIN (V)
2.450k
2.448k
2.446k
2.444k
2.442k
2.440k
2.438k
2.436k
85°C
25°C
-40°C
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
LM3532
www.ti.com
SNVS653E – JULY 2011 – REVISED AUGUST 2015
6.8 Typical Characteristics
VIN = 3.6 V, LEDs (VF = 3.2 V at 20 mA, TA = 25°C), COUT = 1 µF, CIN = 2.2 µF, TA = 25°C unless otherwise specified.
HWEN = GND
Figure 1. Shutdown Current vs VIN
Figure 2. Current Sink Matching vs VIN ILED2 To ILED3
2.44-k
Ω Setting
(
ΔILED is worst case difference between all three strings)
Figure 4. ALS Resistance vs VIN RALS1
Figure 3. Current Sink Matching vs VIN ILED1 to ILED2 To
ILED3
2.44-k
Ω Setting
Figure 5. Als Resistor Matching vs VIN
Figure 6. Integral Non Linearity vs Code (Endpoint Method)
Copyright © 2011–2015, Texas Instruments Incorporated
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Product Folder Links: LM3532



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