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LM3643AYFFR Datasheet(PDF) 6 Page - Texas Instruments

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Part # LM3643AYFFR
Description  Synchronous Boost Dual LED Flash Driver with 1.5-A High-Side Current Sources
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM3643AYFFR Datasheet(HTML) 6 Page - Texas Instruments

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LED1 Code (dec#)
0
16
32
48
64
80
96
112
128
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
D015
TA = -40°C
TA = +25°C
TA = +85°C
LED2 Code (dec#)
0
16
32
48
64
80
96
112
128
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
D016
TA = -40°C
TA = +25°C
TA = +85°C
LED1 Code (dec#)
0
16
32
48
64
80
96
112
128
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
D001
TA = -40°C
TA = +25°C
TA = +85°C
LED2 Code (dec#)
0
16
32
48
64
80
96
112
128
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
D002
TA = -40°C
TA = +25°C
TA = +85°C
SCL
SDA_IN
SDA_OUT
t 5
t 1
t 4
t 3
t
2
LM3643, LM3643A
SNVS967A – AUGUST 2014 – REVISED NOVEMBER 2014
www.ti.com
Figure 1. I2C-Compatible Interface Specifications
8.8 Typical Characteristics
Ambient temperature is 25°C, input voltage is 3.6 V, HWEN = VIN, CIN = COUT = 2 × 10 µF and L = 1 µH, unless otherwise
noted .
Figure 2. LED1 Flash Current vs Brightness Code
Figure 3. LED2 Flash Current vs Brightness Code
Figure 4. LED1 Torch Current vs Brightness Code
Figure 5. LED2 Torch Current vs Brightness Code
6
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: LM3643 LM3643A


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