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LM3648TTYFFR 数据表(PDF) 7 Page - Texas Instruments

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部件名 LM3648TTYFFR
功能描述  Synchronous Boost LED Flash Driver
Download  38 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM3648TTYFFR 数据表(HTML) 7 Page - Texas Instruments

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VIN (V)
2.5
3
3.5
4
4.5
5
5.5
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
D033
TA = -40C
TA = 25C
TA = 85C
VIN (V)
2.5
3
3.5
4
4.5
5
5.5
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.4
D026
TA = -40GC
TA = -+25GC
TA = +85GC
VIN (V)
2.5
3
3.5
4
4.5
5
5.5
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
D032
TA = -40C
TA = 25C
TA = 85C
VIN (V)
2.5
3
3.5
4
4.5
5
5.5
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.4
D025
TA = -40GC
TA = -+25GC
TA = +85GC
VIN (V)
2.5
3
3.5
4
4.5
5
5.5
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1
1.01
1.02
1.03
1.04
1.05
1.06
1.07
D023
TA = -40GC
TA = +25GC
TA = +85GC
VIN (V)
2.5
3
3.5
4
4.5
5
5.5
1.4
1.42
1.44
1.46
1.48
1.5
1.52
1.54
1.56
1.58
1.6
1.62
D022
TA = -40GC
TA = +25GC
TA = +85GC
LM3648, LM3648TT
www.ti.com
SNVSA68B – OCTOBER 2014 – REVISED SEPTEMBER 2015
Typical Characteristics (continued)
TA = 25°C, VIN = 3.6 V, HWEN = VIN, CIN = COUT = 2 × 10 µF and L = 1 µH, unless otherwise noted.
ƒSW = 4 MHz
Flash
ƒSW = 2 MHz
Flash
Brightness Code = 0x3F
Brightness Code = 0x2B
Figure 6. LED Current vs Input Voltage
Figure 7. LED Current vs Input Voltage
ƒSW = 2 MHz
Torch
LM3648TT
ƒSW = 2 MHz
Torch
Brightness Code = 0x7F
Brightness Code = 0x59
Figure 8. LED Current vs Input Voltage
Figure 9. LED Current vs Input Voltage
ƒSW = 4 MHz
Torch
LM3648TT
ƒSW = 4 MHz
Torch
Brightness Code = 0x7F
Brightness Code = 0x59
Figure 10. LED Current vs Input Voltage
Figure 11. LED Current vs Input Voltage
Copyright © 2014–2015, Texas Instruments Incorporated
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Product Folder Links: LM3648 LM3648TT


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