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LM3502SQ-35NOPB 데이터시트(PDF) 10 Page - Texas Instruments

부품명 LM3502SQ-35NOPB
상세설명  Step-Up Converter for White LED Applications
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
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LM3502SQ-35NOPB 데이터시트(HTML) 10 Page - Texas Instruments

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background image
0.0
EN1 PIN VOLTAGE (V)
0
30
5
10
15
20
25
1.0
2.0
3.0
4.0
5.0
-40
oC
25
oC
125
oC
0.0
2.0
0
5
10
15
20
25
EN2 PIN VOLTAGE (V)
1.0
3.0
4.0
5.0
-40
oC
125
oC
25
oC
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
TEMPERATURE (
oC)
94
98
-40
95
96
97
VIN = 2.5
0.0
CNTRL PIN VOLTAGE (V)
0
30
5
10
15
20
25
1.0
2.0
3.0
4.0
5.0
-40
oC
25
oC
125
oC
2
10
18
26 34
42
50
58
66
74
LED CURRENT (mA)
70
75
80
85
90
95
VIN = 2.7V
VIN = 5.5V
VIN = 3.3V
VIN = 4.2V
2
12
22
32
42
52
62
72
82
LED CURRENT (mA)
60
65
70
75
80
85
90
95
VIN = 2.7V
VIN = 5.5V
VIN = 3V
VIN = 4.2V
VIN = 3.3V
LM3502
SNVS339A – SEPTEMBER 2005 – REVISED AUGUST 2006
www.ti.com
Typical Performance Characteristics (continued)
( Circuit in Figure 1: L = DO1608C-223 and D = MBRM140T3. Efficiency:
η = POUT/PIN = [(VOUT – VFb) * IOUT]/[VIN * IIN]. TA=
25°C, unless otherwise stated.)
6 LED Efficiency
4 LED Efficiency
vs
vs
LED Current
LED Current
Figure 13.
Figure 14.
Cntrl Pin Current
Maximum Duty Cycle
vs
vs
Cntrl Pin Voltage
Temperature
Figure 15.
Figure 16.
En1 Pin Current
En2 Pin Current
vs
vs
En1 Pin Voltage
En2 Pin Voltage
Figure 17.
Figure 18.
10
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Copyright © 2005–2006, Texas Instruments Incorporated
Product Folder Links: LM3502


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