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LM3550 Datasheet(PDF) 7 Page - Texas Instruments

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Part # LM3550
Description  5A Flash LED Driver with Automatic VLED and ESR Detection for Mobile Camera Systems
PDF  37 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3550 Datasheet(HTML) 7 Page - Texas Instruments

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VIN (V)
100
90
80
70
60
50
40
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
TA = +85°C
IOUT = 200 mA, 4.5V Fixed Voltage Mode
TA = -30°C and +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, 5.3V Fixed Voltage Mode
TA = -30°C
TA = +25°C
VIN (V)
100
90
80
70
60
50
40
3.0
3.5
4.0
4.5
5.0
5.5
TA = +85°C
IOUT = 200 mA, 5.3V Fixed Voltage Mode
TA = -30°C and +25°C
VIN (V)
100
90
80
70
60
50
40
3.0
3.5
4.0
4.5
5.0
5.5
TA = +85°C
IOUT = 200 mA, 5.0V Fixed Voltage Mode
TA = -30°C and +25°C
VOUT (V)
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
VIN = 5.5V
VIN = 4.2V
VIN = 2.7V
VIN = 3.0V
VIN = 3.6V
VOUT (V)
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
TA = -30°C
TA = +85°C
TA = +25°C
LM3550
www.ti.com
SNVS569B – MAY 2009 – REVISED MAY 2013
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 Limit
Input Current Limit
vs.
vs.
Output Voltage
Output Voltage
Tri-Temp
Figure 9.
Figure 10.
Converter Efficiency
Converter Efficiency
vs.
vs.
Input Voltage
Input Voltage
5.3V Mode
5.0V Mode
Figure 11.
Figure 12.
Converter Efficiency
Input Current
vs.
vs.
Input Voltage
Input Voltage
4.5V Mode
5.3V Mode
Figure 13.
Figure 14.
Copyright © 2009–2013, Texas Instruments Incorporated
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