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LM3550SPX/NOPB 데이터시트(PDF) 8 Page - Texas Instruments

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부품명 LM3550SPX/NOPB
상세설명  5A Flash LED Driver with Automatic VLED and ESR Detection for Mobile Camera Systems
PDF  37 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM3550SPX/NOPB 데이터시트(HTML) 8 Page - Texas Instruments

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BRC (#)
220
200
180
160
140
120
100
80
60
40
0
1
2
3
4
5
6
7
TA = +25°C
VIN = 3.6V, VLED = 3.3V
TA = +85°C
TA = -30°C
VIN (V)
66
64
62
60
58
56
54
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
TA = -30°C
TA = +85°C
TA = +25°C
Torch Code = 0, VLED = 3.3V
VIN (V)
100
90
80
70
60
50
40
30
20
10
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VLED = 3.0V
VLED = 3.3V
VLED = 3.6V
ILED = 100 mA
VIN (V)
100
90
80
70
60
50
40
30
20
10
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VLED = 3.0V
VLED = 3.3V
VLED = 3.6V
ILED = 200 mA
VIN (V)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
2.7
3.3
3.8
4.4
4.9
5.5
TA = +85°C
IOUT = 200 mA, 5.0V Fixed Voltage Mode
TA = -30°C
TA = +25°C
VIN (V)
0.50
0.45
0.40
0.35
0.30
0.25
0.20
2.7
3.3
3.8
4.4
4.9
5.5
TA = +85°C
IOUT = 200 mA, 4.5V Fixed Voltage Mode
TA = -30°C and +25°C
LM3550
SNVS569B – MAY 2009 – REVISED MAY 2013
www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN = 4. 7 µF, COUT = 2.2 µF, C1 = C2 = 1 µF. Super-Capacitor = 0.5F
TDK EDLC272020-501-2F-50,
Input Current
Input Current
vs.
vs.
Input Voltage
Input Voltage
5.0V Mode
4.5V Mode
Figure 15.
Figure 16.
LED Efficiency
LED Efficiency
vs.
vs.
Input Voltage
Input Voltage
Torch Mode, 100 mA
Torch Mode, 200 mA
Figure 17.
Figure 18.
Torch Current
Torch Current
vs.
vs.
Input Voltage
Brightness Code
Code = 0
Figure 19.
Figure 20.
8
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Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: LM3550



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