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LM3555TLE Fiches technique(PDF) 11 Page - Texas Instruments

No de pièce LM3555TLE
Description  LM3555 Synchronous Boost Converter with 500 mA High Side LED Driver and Dual-Mode Control Interface
PDF  33 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

LM3555TLE Fiches technique(HTML) 11 Page - Texas Instruments

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TA (°C)
2.20
2.10
2.00
1.90
1.80
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
VIN (V)
2.10
2.05
2.00
1.95
1.90
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = -30°C
TA = +25°C
TA = +85°C
VIN (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = +85°C
TA = +25°C
TA = -30°C
VIN (V)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = +85°C
TA = -30°C and +25°C
VIN (V)
2.25
2.00
1.75
1.50
1.25
1.00
0.75
2.5
3.1
3.7
4.3
4.9
5.5
ICL = 1.25A
ICL = 1.5A
ICL = 1.75A
ICL = 2.0A
VOUT (V) = 8.2V @ 400 mA
VIN (V)
0.50
0.45
0.40
0.35
0.30
0.25
2.5
3.0
3.5
4.0
4.5
5.0
5.5
ICL = 1.25A
ICL = 1.5A
ICL = 1.75A
ICL = 2.0A
VOUT (V) = 8.2V
LM3555
www.ti.com
SNVS594E – JANUARY 2009 – REVISED NOVEMBER 2011
Typical Characteristics (continued)
Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN1= 10 µF, CIN2= 0.1 µF, COUT = 11 µF; L = 2.2 µH.
LED Current
Inductor Current Limit
vs
vs
Input Voltage
Input Voltage
In Current Limit
Shutdown Current
Standby Current
vs
vs
Input Voltage
Input Voltage
Frequency
Frequency
vs
vs
Temperature
Input Voltage
Copyright © 2009–2011, Texas Instruments Incorporated
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