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LTC3210EUD PDF预览

LTC3210EUD

更新时间: 2024-09-25 05:43:51
品牌 Logo 应用领域
凌特 - Linear 显示驱动器驱动程序和接口接口集成电路控制器
页数 文件大小 规格书
16页 238K
描述
MAIN/CAM LED Controller in 3mm × 3mm QFN

LTC3210EUD 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN, LCC16,.12SQ,20
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.06Is Samacsys:N
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:S-PQCC-N16
JESD-609代码:e0长度:3 mm
湿度敏感等级:1复用显示功能:NO
功能数量:1区段数:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN封装等效代码:LCC16,.12SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):235电源:3.6 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Display Drivers最大供电电压:4.5 V
最小供电电压:2.9 V标称供电电压:3.6 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:20
宽度:3 mmBase Number Matches:1

LTC3210EUD 数据手册

 浏览型号LTC3210EUD的Datasheet PDF文件第2页浏览型号LTC3210EUD的Datasheet PDF文件第3页浏览型号LTC3210EUD的Datasheet PDF文件第4页浏览型号LTC3210EUD的Datasheet PDF文件第5页浏览型号LTC3210EUD的Datasheet PDF文件第6页浏览型号LTC3210EUD的Datasheet PDF文件第7页 
LTC3210  
MAIN/CAM LED Controller  
in 3mm × 3mm QFN  
U
DESCRIPTIO  
FEATURES  
TheLTC®3210isalownoisechargepumpDC/DCconverter  
designed to drive four MAIN LEDs and one high current  
CAM LED for camera lighting. The LTC3210 requires only  
four small ceramic capacitors and two current set resis-  
tors to form a complete LED power supply and current  
controller.  
Low Noise Charge Pump Provides High Efficiency  
with Automatic Mode Switching  
Multimode Operation: 1x, 1.5x, 2x  
Individual Full-Scale Current Set Resistors  
Up to 500mA Total Output Current  
Single Wire EN/Brightness Control for MAIN and  
CAM LEDs (8 Brightness Steps)  
Built-in soft-start circuitry prevents excessive inrush cur-  
rent during start-up and mode changes. High switching  
frequency enables the use of small external capacitors.  
Independent MAIN and CAM full-scale current settings  
are programmed by two external resistors. Shutdown  
mode and current output levels are selected via two logic  
inputs.  
64:1 Brightness Control Range for MAIN Display  
Four 25mA Low Dropout MAIN LED Outputs  
One 400mA Low Dropout CAM LED Output  
Low Noise Constant Frequency Operation*  
Low Shutdown Current: 3µA  
Internal Soft-Start Limits Inrush Current During  
Startup and Mode Switching  
Open/Short LED Protection  
No Inductors  
3mm × 3mm 16-Lead Plastic QFN Package  
The full-scale current through the LEDs is programmed  
via external resistors. ENM and ENC are toggled to adjust  
the LED currents via internal counters and DACs. The  
part is shut down when both ENM and ENC are low for  
150µs (typ).  
U
APPLICATIO S  
The charge pump optimizes efficiency based on the volt-  
age across the LED current sources. The part powers up  
in 1x mode and will automatically switch to boost mode  
whenever any enabled LED current source begins to en-  
ter dropout. The LTC3210 is available in a 3mm × 3mm  
16-lead QFN package.  
Multi-LED Light Supply for Cellphones/DSCs/PDAs  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Protected by U.S. Patents, including 6411531.  
U
TYPICAL APPLICATIO  
4-LED MAIN Display  
Efficiency vs V Voltage  
C2  
C3  
BAT  
2.2µF  
2.2µF  
100  
90  
80  
C1P C1M  
V
BAT  
C2P  
C2M  
MAIN  
CAM  
70  
60  
50  
40  
30  
CPO  
V
BAT  
C1  
2.2µF  
C4  
2.2µF  
LTC3210  
MLED1  
MLED2  
MLED3  
MLED4  
CLED  
ENM  
ENC  
ENM  
ENC  
20  
4 LEDs AT 9mA/LED  
(TYP V AT 9mA = 3V, NICHIA NSCW100)  
3210 TA01  
F
10  
T
A
= 25°C  
RM  
RC  
GND  
0
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4  
(V)  
30.1k  
1%  
24.3k  
1%  
V
BAT  
3210 TA01b  
3210f  
1

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