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LM3555TLE 数据表(PDF) 7 Page - Texas Instruments

部件名 LM3555TLE
功能描述  LM3555 Synchronous Boost Converter with 500 mA High Side LED Driver and Dual-Mode Control Interface
PDF  33 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

LM3555TLE 数据表(HTML) 7 Page - Texas Instruments

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VIN (V)
0.44
0.43
0.42
0.41
0.40
0.39
0.38
0.37
0.36
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = -30°C
TA = +25°C
TA = +85°C
VLED = 6.9V (2 LEDs)
VIN (V)
2.00
1.70
1.40
1.10
0.80
0.50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = +25°C
TA = +85°C
TA = -30°C
VLED = 6.9V (2 LEDs)
ILED = 400mA
VIN (V)
1.50
1.25
1.00
0.75
0.50
0.25
0.00
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = +25°C
TA = +85°C
TA = -30°C
VLED = 6.75V (2 LEDs)
ILED = 320 mA
VIN (V)
100
90
80
70
60
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = -30°C
TA = +25°C
TA = +85°C
VLED (@ 320 mA) = 6.75V (2 LEDs)
BRC (#)
0.50
0.48
0.46
0.44
0.42
0.40
0.38
0.36
0.34
0.32
0.30
0.28
0.26
0.24
0.22
0.20
0.18
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
TA = +85°C
TA = -30°C and +25°C
VIN (V)
0.35
0.34
0.33
0.32
0.31
0.30
0.29
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TA = -30°C
TA = +25°C
TA = +85°C
VLED = 6.75V (2 LEDs)
LM3555
www.ti.com
SNVS594E – JANUARY 2009 – REVISED NOVEMBER 2011
Typical Characteristics
Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN1= 10 µF, CIN2= 0.1 µF, COUT = 11 µF; L = 2.2 µH.
Two Series LEDs
Two Series LEDs @ 320mA
Flash Current
LED Current
vs
vs
Brightness Code
Input Voltage
Two Series LEDs @ 320mA
Two Series LEDs @ 320mA
Input Current
LED Efficiency
vs
vs
Input Voltage
Input Voltage
Two Series LEDs @ 400mA
Two Series LEDs @ 400mA
LED Current
Input Current
vs
vs
Input Voltage
Input Voltage
Copyright © 2009–2011, Texas Instruments Incorporated
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Product Folder Links: LM3555



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