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LM3447MTX Datasheet(PDF) 9 Page - Texas Instruments

Part # LM3447MTX
Description  Phase Dimmable, Primary Side Power Regulated PFC Flyback Controller for LED Lighting
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3447MTX Datasheet(HTML) 9 Page - Texas Instruments

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−10.02
−10.015
−10.01
−10.005
−10
−9.995
−9.99
−9.985
−9.98
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G018
0
3
6
9
12
15
18
Feedforward Source Current (µA)
G017
80
85
90
95
100
105
110
115
120
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G016
0.998
0.9985
0.999
0.9995
1
1.0005
1.001
1.0015
1.002
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G014
7.82
7.84
7.86
7.88
7.9
7.92
7.94
7.96
7.98
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G015
LM3447
www.ti.com
SNOSC65 A – APRIL 2012 – REVISED MAY 2012
TYPICAL CHARACTERISTICS (continued)
Unless otherwise stated, –40°C
≤ TA = TJ ≤ +125°C, VVCC = 14 V, VTSNS = 1.75V, VFLT2 = 1.75V, VAUX = 0.5V, VINV = 0V,
IVAC = 100 μA, IBIAS = 100μA, CVCC = 10 μF, CCOMP = 0.047 μF
Figure 13. Thermal Foldback Thershold vs.
Figure 14. TSNS Internal Pull-up Resistor vs.
Junction Temperature
Junction Temperature
Figure 15. GM vs. Junction Temperature
Figure 16. Feedforward Source Current (IFF) Variation
(IVAC=100µA, Temperautre = 25°C)
Figure 17. Feedforward Source Current (IFF) vs.
Junction Temperature
Copyright © 2012, Texas Instruments Incorporated
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Product Folder Links: LM3447


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