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LM3447 データシート(PDF) 7 Page - Texas Instruments

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部品番号 LM3447
部品情報  Phase Dimmable, Primary Side Power Regulated PFC Flyback Controller for LED Lighting
PDF  25 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM3447 データシート(HTML) 7 Page - Texas Instruments

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93.4
93.8
94.2
94.6
95
95.4
95.8
96.2
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G006
−55
−50
−45
−40
−35
−30
−25
−20
−15
−10
−5
50
100
150
200
250
300
350
400
450
500
550
IVAC (µA)
G007
0
0.5
1
1.5
2
2.5
3
3.5
4
0
2
4
6
8
10
12
14
16
18
20
VCC (V)
VCC Rising
VCC Falling
G004
64.4
64.8
65.2
65.6
66
66.4
66.8
67.2
−40 −25 −10
5
20
35
50
65
80
95
110 125
Temperature (°C)
G005
5
6
7
8
9
10
11
12
13
−40 −25 −10
5
20
35
50
65
80
95
110 125
UVLO Rising
UVLO Falling
Temperature (°C)
G001
18.5
18.6
18.7
18.8
18.9
19
19.1
19.2
−40 −25 −10
5
20
35
50
65
80
95
110 125
OVP Rising
OVP Falling
Temperature (°C)
G002
LM3447
www.ti.com
SNOSC65 A – APRIL 2012 – REVISED MAY 2012
TYPICAL CHARACTERISTICS
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 1. VCC UVLO vs. Junction Temperature
Figure 2. VCC OVP vs. Junction Temperature
Figure 3. Operational IVCC vs.
Figure 4. Dimmer Angle Detect Threshold Current vs.
VCC Voltage
Junction Temperature
Figure 5. Hold MOSFET Turn-on Threshold Current vs.
Figure 6. Feedforward Source Current (IFF) vs. VAC Current
(IVAC)
Junction Temperature
Copyright © 2012, Texas Instruments Incorporated
Submit Documentation Feedback
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