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LT3465AES6#TRMPBF PDF预览

LT3465AES6#TRMPBF

更新时间: 2024-11-04 21:05:23
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
16页 323K
描述
LT3465 - 1.2MHz White LED Step-Up Converters with Built-In Schottky in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

LT3465AES6#TRMPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOT包装说明:VSSOP,
针数:6Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:2.85模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:16 V最小输入电压:2.7 V
标称输入电压:3 VJESD-30 代码:R-PDSO-G6
JESD-609代码:e3长度:2.9 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:70 °C
最低工作温度:最大输出电流:0.34 A
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm表面贴装:YES
切换器配置:BOOST最大切换频率:2800 kHz
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:1.625 mmBase Number Matches:1

LT3465AES6#TRMPBF 数据手册

 浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第2页浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第3页浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第4页浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第5页浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第6页浏览型号LT3465AES6#TRMPBF的Datasheet PDF文件第7页 
LT3465/LT3465A  
1.2MHz/2.4MHz White  
LED Drivers with Built-in  
Schottky in ThinSOT  
U
DESCRIPTIO  
FEATURES  
The LT®3465/LT3465A are step-up DC/DC converters  
designedtodriveuptosixLEDsinseriesfromaLi-Ioncell.  
Series connection of the LEDs provides identical LED  
currents and eliminates the need for ballast resistors.  
These devices integrate the Schottky diode required exter-  
nally on competing devices. Additional features include  
output voltage limiting when LEDs are disconnected, one-  
pin shutdown and dimming control. The LT3465 has  
internal soft-start.  
Inherently Matched LED Current  
Drives Up to Six LEDs from a 3.6V Supply  
No External Schottky Diode Required  
1.2MHz Switching Frequency (LT3465)  
2.4MHz Switching Frequency Above AM Broadcast  
Band (LT3465A)  
VIN Range: 2.7V to 16V  
VOUT(MAX) = 30V  
Automatic Soft-Start (LT3465)  
Open LED Protection  
The LT3465 switches at 1.2MHz, allowing the use of tiny  
external components. The faster LT3465A switches at  
2.4MHz. Constantfrequencyswitchingresultsinlowinput  
noise and a small output capacitor. Just 0.22µF is required  
for 3-, 4- or 5-LED applications.  
High Efficiency: 81% (LT3465) 79% (LT3465A)  
Typical  
Requires Only 0.22µF Output Capacitor  
Low Profile (1mm) SOT-23  
U
The LT3465 and LT3465A are available in the low profile  
APPLICATIO S  
(1mm) 6-lead SOT-23 (ThinSOTTM) package.  
Cellular Phones  
, LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a  
trademark of Linear Technology Corporation. All other trademarks are the property of their  
respective owners.  
PDAs, Handheld Computers  
Digital Cameras  
MP3 Players  
GPS Receivers  
U
TYPICAL APPLICATIO  
Conversion Efficiency  
L1  
82  
22µH  
V
= 3.6V  
IN  
80  
78  
76  
74  
72  
70  
68  
66  
64  
62  
60  
4 LEDs  
3V TO 5V  
SW  
V
OUT  
V
IN  
C1  
1µF  
C2  
0.22µF  
LT3465/  
LT3465A  
CTRL  
GND  
SHUTDOWN  
AND DIMMING  
CONTROL  
FB  
10  
3465A F01a  
C1, C2: X5R OR X7R DIELECTRIC  
L1: MURATA LQH32CN220  
LT3465  
LT3465A  
10  
0
5
15  
20  
Figure 1. Li-Ion Powered Driver for Four White LEDs  
LED CURRENT (mA)  
3465A F01b  
3465afa  
1

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