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LM3410 数据表(PDF) 4 Page - Texas Instruments

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部件名 LM3410
功能描述  525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM3410 数据表(HTML) 4 Page - Texas Instruments

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LM3410
SNVS541F – OCTOBER 2007 – REVISED AUGUST 2010
www.ti.com
Operating Ratings
(1)
VIN
2.7V to 5.5V
VDIM
(2)
0V to VIN
VSW
3V to 24V
Junction Temperature Range
-40°C to 125°C
Power Dissipation
(Internal) SOT23-5
400 mW
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional, but does not guarantee specific performance limits. For guaranteed specifications and
conditions, see the Electrical Characteristics.
(2)
Do not allow this pin to float or be greater than VIN +0.3V.
Electrical Characteristics
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C
to 125°C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values
represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. VIN = 5V, unless
otherwise indicated under the Conditions column.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VFB
Feedback Voltage
178
190
202
mV
ΔVFB/VIN
Feedback Voltage Line Regulation
VIN = 2.7V to 5.5V
-
0.06
-
%/V
IFB
Feedback Input Bias Current
-
0.1
1
µA
LM3410-X
1200
1600
2000
FSW
Switching Frequency
kHz
LM3410-Y
360
525
680
LM3410-X
88
92
-
DMAX
Maximum Duty Cycle
%
LM3410-Y
90
95
-
LM3410-X
-
5
-
DMIN
Minimum Duty Cycle
%
LM3410-Y
-
2
-
SOT23-5 and eMSOP-8
-
170
330
RDS(ON)
Switch On Resistance
m
LLP-6
190
350
ICL
Switch Current Limit
2.1
2.80
-
A
SU
Start Up Time
-
20
-
µs
LM3410-X VFB = 0.25
-
7.0
11
Quiescent Current (switching)
mA
IQ
LM3410-Y VFB = 0.25
-
3.4
7
Quiescent Current (shutdown)
All Options VDIM = 0V
-
80
-
nA
VIN Rising
-
2.3
2.65
UVLO
Undervoltage Lockout
V
VIN Falling
1.7
1.9
-
Shutdown Threshold Voltage
-
-
0.4
VDIM_H
V
Enable Threshold Voltage
1.8
-
-
ISW
Switch Leakage
VSW = 24V
-
1.0
-
µA
IDIM
Dimming Pin Current
Sink/Source
-
100
-
nA
LLP-6 and eMSOP-8 Package
-
80
-
Junction to Ambient
θJA
°C/W
0 LFPM Air Flow (1)
SOT23-5 Package
-
118
-
LLP-6 and eMSOP-8 Package
-
18
-
θJC
Junction to Case (1)
°C/W
SOT23-5 Package
-
60
-
TSD
Thermal Shutdown Temperature (2)
-
165
-
°C
(1)
Applies for packages soldered directly onto a 3” x 3” PC board with 2oz. copper on 4 layers in still air.
(2)
Thermal shutdown will occur if the junction temperature exceeds the maximum junction temperature of the device.
4
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Product Folder Links: LM3410


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