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LT3466EDD#PBF

更新时间： 2024-11-06 13:02:11
品牌 Logo 应用领域
凌特 - Linear 驱动器转换器升压转换器
页数 文件大小 规格书
20页 401K
描述
LT3466 - Dual Full Function White LED Step-Up Converter with Built-In Schottky Diodes; Package: DFN; Pins: 10; Temperature Range: -40°C to 85°C

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中文翻译

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LT3466EDD#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON,
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：3.46模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：24 V最小输入电压：2.7 V
标称输入电压：3 VJESD-30 代码：S-PDSO-N10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：10最高工作温度：70 °C
最低工作温度：最大输出电流：0.4 A
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 mm表面贴装：YES
切换器配置：BOOST最大切换频率：2000 kHz
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3 mmBase Number Matches：1

LT3466EDD#PBF 数据手册

 浏览型号LT3466EDD#PBF的Datasheet PDF文件第2页浏览型号LT3466EDD#PBF的Datasheet PDF文件第3页浏览型号LT3466EDD#PBF的Datasheet PDF文件第4页浏览型号LT3466EDD#PBF的Datasheet PDF文件第5页浏览型号LT3466EDD#PBF的Datasheet PDF文件第6页浏览型号LT3466EDD#PBF的Datasheet PDF文件第7页 
LT3466-1  
White LED Driver and Boost  
Converter in 3mm × 3mm  
DFN Package  
U
FEATURES  
DESCRIPTIO  
LT®3466-1 is a dual switching regulator that combines a  
white LED driver and a boost converter in a low profile,  
small footprint (3mm × 3mm × 0.75mm) DFN package.  
The LED driver can be configured to drive up to 10 White  
LEDs in series and the boost converter can be used for  
generating the LCD bias voltages or driving a secondary  
OLED display. Series connection of the LEDs provides  
identical LED currents resulting in uniform brightness and  
eliminating the need for ballast resistors and expensive  
factory calibration.  
■
Drives Up to 10 White LEDs from a 3.6V Supply  
■
Two Independent Step-Up DC/DC Converters  
■
Independent Dimming and Shutdown Control  
of the Outputs  
■
±1.5% Output Voltage Accuracy (Boost Converter)  
■
±4% LED Current Programming Accuracy  
■
Internal Schottky Diodes  
■
Internal Soft-Start Eliminates Inrush Current  
■
Output Overvoltage Protection (39.5V Max VOUT  
Fixed Frequency Operation Up to 2MHz  
83% Efficiency Driving 8 White LEDs at 15mA  
from a 3.6V Supply  
)
■
■
The LT3466-1 provides independent dimming and shut-  
down control of the two converters. The operating fre-  
quency can be set with an external resistor over a 200kHz  
to2MHzrange.ThewhiteLEDdriverfeaturesalow200mV  
reference, thereby minimizing power loss in the current  
setting resistor for better efficiency. The boost converter  
achieves ±1.5% output voltage accuracy by the use of a  
precision 0.8V reference. Protection features include out-  
put overvoltage protection and internal soft-start. Wide  
input supply range allows operation from 2.7V to 24V.  
■
■
Wide Input Voltage Range: 2.7V to 24V  
Tiny (3mm × 3mm) 10-Lead DFN Package  
U
APPLICATIO S  
■
White LED and OLED Displays  
■
Digital Cameras, Sub-Notebook PCs  
■
PDAs, Handheld Computers  
■
TFT - LCD Bias Supply  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
■
Automotive  
U
TYPICAL APPLICATIO  
3V TO 5V  
Conversion Efficiency  
1µF  
90  
33µH  
33µH  
V
IN  
= 3.6V  
85  
80  
75  
70  
65  
60  
55  
50  
LED DRIVER  
SW1  
V
SW2  
IN  
BOOST CONVERTER  
16V  
6 LEDs  
V
V
OUT2  
LT3466-1  
OUT1  
30mA  
1µF  
1µF  
475k  
FB1  
FB2  
R
CTRL1  
GND  
CTRL2  
T
63.4k  
SHUTDOWN  
AND DIMMING  
CONTROL 1  
SHUTDOWN  
AND DIMMING  
CONTROL 2  
10Ω  
24.9k  
0
5
10  
15  
20  
25  
30  
OUTPUT CURRENT (mA)  
34661 F01a  
34661 F01b  
Figure 1. Li-Ion Powered Driver for 6 White LEDs and OLED Display  
34661f  
1
1234567...20

中文翻译

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LT3466EDD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
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