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SC617ULTRT

更新时间： 2024-11-07 03:09:47
品牌 Logo 应用领域
商升特 - SEMTECH 驱动器闪光灯泵
页数 文件大小 规格书
13页 209K
描述
Charge Pump Flash LED Driver with Safety Timer

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中文翻译

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SC617ULTRT 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SON包装说明：VSON, SOLCC10,.12,20
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-XDSO-N10长度：3 mm
复用显示功能：NO功能数量：1
区段数：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：VSON
封装等效代码：SOLCC10,.12,20封装形状：SQUARE
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3.3/5 V认证状态：Not Qualified
座面最大高度：0.6 mm子类别：Display Drivers
最大供电电压：5.25 V最小供电电压：3 V
表面贴装：YES温度等级：INDUSTRIAL
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：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

SC617ULTRT 数据手册

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SC617  
Charge Pump Flash LED  
Driver with Safety Timer  
POWER MANAGEMENT  
Features  
Description  
„
„
„
Flash and spotlight — two selectable modes  
Flash mode — up to 700mA output  
Flash mode — 500mA max output (over rated voltage,  
temperature, and load conditions)  
Flash mode safety timer shut-off — 1 second  
Spotlight mode set to 30% of flash current  
Spotlight mode — up to 210mA output  
Spotlight mode —1x mode (under most conditions)  
for best efficiency  
Input range — 3.0V to 5.25V  
External flash control pin for synchronization to a cam-  
era module or graphics controller  
Short-circuit, over-voltage, and over-temperature pro-  
tection  
The SC617 is a high-current charge pump designed spe-  
cifically for use with white LEDs used in camera flash  
applications. Only two small bucket capacitors are required  
to develop the output drive, providing a low EMI solution  
compared to inductive boost regulators.  
„
„
„
„
The SC617 has two modes of operation: flash mode and  
spotlight mode. In flash mode, the SC617 is capable of  
delivering 500mA of regulated current for a duration of  
500ms or up to 700mA for a reduced duration. A safety  
timer is also included to ensure the LED cannot be left on  
indefinitely and overheat. In spotlight mode the SC617  
outputs 30% of the flash mode current and can remain  
enabled continuously.  
„
„
„
„
„
Soft-start functionality  
Separate flash and spotlight control inputs for maxi-  
mum versatility  
An external resistor is connected in series with the LED to  
set the current. In flash mode, this resistor can dissipate  
up to 175mW, reducing the power dissipation require-  
ment of the SC617. The flash input overrides the control  
input to make sure the flash function is activated.  
„
Ultra-thin package MLPD-UT-10 — 3 x 3 x 0.6 (mm)  
Applications  
„
„
„
Mobile camera phones  
Digital cameras  
PDAs with built-in cameras  
The SC617 ultra-thin package provides both a low profile  
and high thermal efficiency.  
Typical Application Circuit  
SC617  
VIN  
C1+  
C1-  
C2+  
C2-  
VOUT  
VBAT  
10μF  
1μF  
GND  
White LED  
1μF  
ISET  
CTRL  
1μF  
RSET  
FLASH  
FLASH  
CTRL  
December 10, 2007  
1
1234567...13

中文翻译

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