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FAN5608DHMPX PDF预览

FAN5608DHMPX

更新时间： 2024-10-31 22:24:31
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 转换器接口集成电路驱动
页数 文件大小 规格书
17页 207K
描述
Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter

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中文翻译

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FAN5608DHMPX 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：MLP
包装说明：HVQCCN, LCC12,.16SQ,32针数：12
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.63
其他特性：CAN DRIVE UPTO 6 LED接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-XQCC-N12长度：4 mm
湿度敏感等级：1复用显示功能：NO
功能数量：1区段数：2
端子数量：12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：HVQCCN封装等效代码：LCC12,.16SQ,32
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）：NOT SPECIFIED电源：2.7/5 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：5.5 V
最小供电电压：2.7 V标称供电电压：3.6 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.8 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mm最小 fmax：0.5 MHz
Base Number Matches：1

FAN5608DHMPX 数据手册

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www.fairchildsemi.com  
FAN5608  
Serial/Parallel LED Driver with Current-Regulated,  
Step-Up DC/DC Converter  
Features  
Description  
• Two Independent Channels Drive up to Six LEDs per  
Channel  
• Adaptive Output Voltage Drive to Maximize Efficiency  
• PWM/PFM Mode of Operation of the Boost Circuit  
• Up to 85% Efficiency  
• Up to 2 × 20mA Output  
• Two Built-in DACs for Independent (Digital) Brightness  
Control for Both Channels  
• LED’s Current Can be Duty-Cycle-Modulated between  
0 to 20mA  
• Digital, Analog, and PWM Brightness Control  
• 2.7V to 5V Input Voltage Range  
• 0.5MHz Operating Frequency (8MHz internal clock)  
• Soft Start  
The FAN5608 LED driver generates regulated output cur-  
rents from a battery with input voltage varying between 2.7V  
to 5V. An internal NMOS switch drives an external inductor,  
and a Schottky diode delivers the inductor’s stored energy to  
the load. Proprietary internal circuitry continuously monitors  
the currrent on both strings and automatically adjusts the  
generated output DC voltage to the lowest minimum value  
required by the LEDs string with the highest summarized  
forward voltage. This adaptive nature of the FAN5608  
ensures operation at the highest possible efficiency. Soft start  
circuitry prevents excessive current drawn from the supply  
during power on. Any number of LEDs can be connected in  
series as long as the summed forward voltages do notexceed  
the specified operating output voltage range. Although it is  
not required to have an equal number of LEDs connected in  
series within each branch, the highest efficiency and best  
current regulation is always achieved when an equal number  
of LEDs are serially connected.  
• Low Shutdown Current: ICC < 1µA  
• LED Short Circuit Protection  
• Minimal External Components Needed  
• Available in space saving 8-lead and 12-lead MLP  
Packages.  
In the FAN5608 device, two internal two-bit D/A converters  
provide independent programmability of each output channel  
current. Analog programming of the output current is  
also possible in the FAN5608. To do this, ground the "B"  
pins and connect a resistor between the "A" pins and a  
fixed supply voltage. The output current can then be  
programmed to any desired value within its specified range.  
The FAN5608DMPX/FAN5608MPX version uses a single  
Applications  
• Cell Phones  
• Handheld Computers  
• PDAs, DSCs, MP3 Players  
• Keyboard Backlights  
• LED Displays  
Typical Application  
Digital Brightness Control  
CIN  
CIN  
L = 4.7µH  
2.7V to 5V  
L = 4.7µH  
IND  
IND  
VIN  
A1  
VOUT  
2.7V to 5V  
IND  
NC  
IND  
VIN  
A1  
VOUT  
VOUT  
4.7µF  
4.7µF  
GND  
CH2  
CH1  
DAC Input For CH1  
DAC Input For CH2  
GND  
CH2  
CH1  
NC  
B1  
DAC Input For CH1  
DAC Input For CH2  
B1  
A2  
B2  
A2  
B2  
NC  
4X4mm MLP-12 Package  
4X4mm MLP-12 Package  
with external Schottky diode  
Order Code: FAN5608HMPX  
with internal Schottky diode  
Order Code: FAN5608DHMPX  
REV. 1.0.3 6/28/04  
1234567...17

中文翻译

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FAN5608DHMPX 替代型号

型号 品牌 替代类型 描述 数据表
FAN5608MPX FAIRCHILD

完全替代

 Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter
FAN5608DMPX FAIRCHILD

完全替代

 Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter
FAN5608HMPX FAIRCHILD

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