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LM3410-Q1

更新时间： 2024-11-06 11:13:11
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德州仪器 - TI 驱动驱动器
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57页 1402K
描述
具有内部补偿的 525kHz/1.6MHz、汽车恒流升压和 SEPIC LED 驱动器

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LM3410-Q1 数据手册

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LM3410, LM3410-Q1  
SNVS541H –OCTOBER 2007–REVISED AUGUST 2016  
LM3410, LM3410-Q1 525-kHz and 1.6-MHz, Constant-Current Boost and SEPIC LED Driver  
With Internal Compensation  
1 Features  
3 Description  
The LM3410 and LM3410-Q1 constant current LED  
driver are a monolithic, high frequency, PWM DC-DC  
converter, available in 6-pin WSON, 8-pin MSOP-  
PowerPad™, and 5-pin SOT-23 packages. With a  
minimum of external components the LM3410 and  
LM3410-Q1 are easy to use. It can drive 2.8-A  
(typical) peak currents with an internal 170-mΩ  
NMOS switch. Switching frequency is internally set to  
either 525 kHz or 1.6 MHz, allowing the use of  
extremely small surface mount inductors and chip  
capacitors. Even though the operating frequency is  
high, efficiencies up to 88% are easy to achieve.  
External shutdown is included, featuring an ultra-low  
standby current of 80 nA. The LM3410 and LM3410-  
Q1 use current-mode control and internal  
compensation to provide high-performance over a  
wide range of operating conditions. Additional  
features include PWM dimming, cycle-by-cycle  
current limit, and thermal shutdown.  
1
•
•
Qualified for Automotive Applications  
AEC-Q100 Test Guidance With the Following:  
–
Device Temperature Grade 1: –40°C to 125°C  
Ambient Operating Temperature Range  
–
–
Device HBM ESD Classification Level 2  
Device CDM ESD Classification Level C6  
•
•
•
•
•
Space-Saving SOT-23 and WSON Packages  
Input Voltage From 2.7 V to 5.5 V  
Output Voltage From 3 V to 24 V  
2.8-A (Typical) Switch Current Limit  
High Switching Frequency  
–
–
525 KHz (LM3410Y)  
1.6 MHz (LM3410X)  
•
•
•
•
•
170-mΩ NMOS Switch  
190-mV Internal Voltage Reference  
Internal Soft Start  
Device Information(1)  
Current-Mode, PWM Operation  
Thermal Shutdown  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
3.00 mm × 3.00 mm  
2.90 mm × 1.60 mm  
3.00 mm × 3.00 mm  
WSON (6)  
LM3410,  
LM3410Q  
MSOP-PowerPAD (8)  
SOT-23 (5)  
2 Applications  
•
•
•
•
•
LED Backlight Current Sources  
LiIon Backlight OLED and HB LED Drivers  
Handheld Devices  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
LED Flash Drivers  
Automotive Applications  
Typical Boost Application Circuit  
Typical Efficiency (LM3410X)  
L
1
D
1
V
IN  
DIMM  
4
3
LEDs  
FB  
2
DIM  
C
2
GND  
1
5
SW  
VIN  
C
1
R
1
Copyright © 2016, Texas Instruments Incorporated  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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LM3410-Q1 替代型号

型号 品牌 替代类型 描述 数据表
LM3410 TI

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