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LT3484EDCB-2#PBF

更新时间： 2024-11-07 19:33:59
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
12页 429K
描述
LT3484 - Photoflash Capacitor Charger; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C

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中文翻译

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LT3484EDCB-2#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, SOLCC6,.12,20
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.04模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-N6JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：6
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：HVSON
封装等效代码：SOLCC6,.12,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：3 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Power Management Circuits
最大供电电流 (Isup)：8 mA最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：2.5 V标称供电电压 (Vsup)：3 V
表面贴装：YES温度等级：INDUSTRIAL
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：2 mm
Base Number Matches：1

LT3484EDCB-2#PBF 数据手册

 浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第2页浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第3页浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第4页浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第5页浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第6页浏览型号LT3484EDCB-2#PBF的Datasheet PDF文件第7页 
LT3484-0/LT3484-1/LT3484-2  
Photoflash Capacitor  
Chargers  
U
FEATURES  
DESCRIPTIO  
The LT®3484 family of photoflash capacitor charger ICs is  
designed for use in digital camera and mobile phone  
applications where space is at a premium. The LT3484’s  
patentedcontroltechniqueallowsittouseextremelysmall  
transformers, and the improved NPN power switch re-  
quires no external Schottky diode clamp, reducing solu-  
tion size. Output voltage detection requires no external  
circuitry as the transformer turns ratio determines final  
charge voltage.  
■
Highly Integrated IC in 2mm × 3mm DFN Package  
Reduces Solution Size  
■
Uses Small Transformers:  
5.8mm × 5.8mm × 3mm  
Fast Photoflash Charge Times:  
■
4.6s for LT3484-0 (0V to 320V, 100µF, VIN = 3.6V)  
5.7s for LT3484-2 (0V to 320V, 100µF, VIN = 3.6V)  
5.5s for LT3484-1 (0V to 320V, 50µF, VIN = 3.6V)  
■
Operates from Two AA Batteries, or Any Supply from  
1.8V up to 16V  
Controlled Average Input Current  
The devices feature a VBAT pin, which allows the use of 2  
alkaline cells to charge the capacitor. The LT3484-0, -2  
and -1 have primary current limits of 1.4A, 1A and 0.7A  
respectively, resulting in tightly controlled average input  
current of 500mA, 350mA and 225mA respectively. The  
three versions are otherwise identical.  
■
500mA (LT3484-0)  
350mA (LT3484-2)  
225mA (LT3484-1)  
■
No Output Voltage Divider Needed  
■
No External Schottky Diode Required  
The CHARGE pin gives full control of the part to the user.  
DrivingCHARGElowputsthepartinshutdown. TheDONE  
pin indicates when the part has completed charging. The  
LT3484 series of parts are housed in a tiny low profile  
2mm × 3mm DFN package.  
■
Charges Any Size Photoflash Capacitor  
■
Available in 6-Lead 2mm × 3mm DFN Package  
U
APPLICATIO S  
, 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 6636021.  
■
Digital Camera and Cell Phone Flash Charger  
U
TYPICAL APPLICATIO  
LT3484-0 Photoflash Charger Uses  
High Efficiency 3mm Tall Transformers  
LT3484-0 Charging Waveform  
DANGER HIGH VOLTAGE – OPERATION BY HIGH VOLTAGE  
TRAINED PERSONNEL ONLY  
VIN = 3.6V  
COUT = 100µF  
1:10.2  
V
BAT  
320V  
2AA OR  
1
2
4
5
1 TO 2 Li-Ion  
4.7µF  
VOUT  
+
150µF  
PHOTOFLASH  
CAPACITOR  
50V/DIV  
V
SW  
BAT  
V
CC  
5V  
V
IN  
AVERAGE  
INPUT  
CURRENT  
1A/DIV  
0.1µF  
LT3484-0  
100k  
GND  
1s/DIV  
3484 TA02  
DONE  
CHARGE  
348412 TA01  
3484012f  
1
1234567...12

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