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DS3988T

更新时间： 2024-11-22 04:15:15
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
23页 778K
描述
8-Channel Cold-Cathode Fluorescent Lamp Controller

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中文翻译

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DS3988T 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：QFP包装说明：7 X 7 MM, 1 MM HEIGHT, TQFP-48
针数：48Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.91Is Samacsys：N
模拟集成电路 - 其他类型：POWER FACTOR AND FLUORESCENT LIGHT CONTROLLER控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：4.5 V
标称输入电压：5 VJESD-30 代码：S-PQFP-G48
JESD-609代码：e0长度：7 mm
功能数量：1端子数量：48
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：TFQFP
封装等效代码：TQFP48,.35SQ封装形状：SQUARE
封装形式：FLATPACK, THIN PROFILE, FINE PITCH峰值回流温度（摄氏度）：245
电源：5 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Switching Regulator or Controllers
标称供电电压 (Vsup)：5 V表面贴装：YES
切换器配置：SINGLE最大切换频率：80 kHz
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING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：NOT SPECIFIED
宽度：7 mmBase Number Matches：1

DS3988T 数据手册

 浏览型号DS3988T的Datasheet PDF文件第2页浏览型号DS3988T的Datasheet PDF文件第3页浏览型号DS3988T的Datasheet PDF文件第4页浏览型号DS3988T的Datasheet PDF文件第5页浏览型号DS3988T的Datasheet PDF文件第6页浏览型号DS3988T的Datasheet PDF文件第7页 
Rev 0; 4/05  
8-Channel Cold-Cathode  
Fluorescent Lamp Controller  
General Description  
Features  
The DS3988 is an 8-channel controller for cold-cathode  
fluorescent lamps (CCFLs) used to backlight liquid  
crystal displays (LCDs) in TV and PC monitor applica-  
tions. The DS3988 supports configurations of 1 to 8  
lamps, and multiple DS3988 controllers can be cascad-  
ed to support applications requiring more than 8 lamps.  
♦ High-Density CCFL Controller for LCD TV and PC  
Monitor Backlights  
♦ Can Be Easily Cascaded to Support More Than  
8 Lamps  
♦ Minimal External Components  
♦ Analog Brightness Control  
Applications  
♦ Per-Channel Lamp Control Ensures Equal  
Brightness Among Lamps and Maximizes Lamp  
Life  
LCD Televisions  
LCD PC Monitors  
♦ Gate Driver Phasing Minimizes DC Supply Current  
Surges  
Ordering Information  
♦ Per-Channel Lamp Fault Monitoring for Lamp  
Open, Lamp Overcurrent, Failure to Strike, and  
Overvoltage Conditions  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PꢀN-PACKAGE  
48 TQFP  
DS3988T  
DS3988T+  
48 TQFP  
♦ Accurate (±±5% ꢀndependent On-Board Oscillators  
for Lamp Frequency (40kHz to 80kHz% and DPWM  
Burst Dimming Frequency (22.±Hz to 440Hz%  
+Denotes lead-free package.  
Pin Configuration  
♦ Can Be Synchronized to External Sources for the  
Lamp and DPWM Frequencies  
♦ <105 to 1005 Dimming Range  
TOP VIEW  
♦ Programmable Soft-Start Minimizes Audible  
Transformer Noise  
♦ ꢀ2C-Compatible Serial Port and On-Board  
Nonvolatile (NV% Memory Allow Device  
Customization  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
GA1  
GB1  
1
2
3
4
5
6
7
8
9
OVD8  
LCM8  
GB8  
LCM1  
OVD1  
GA2  
GA8  
♦ 8-Byte NV User Memory for Storage of Serial  
OVD7  
LCM7  
GB7  
Numbers and Date Codes  
DS3988  
GB2  
♦ 4.±V to ±.±V Single-Supply Operation  
♦ -40°C to +8±°C Temperature Range  
♦ 48-Lead TQFP (7mm x 7mm% Package  
LCM2  
OVD2  
GA3  
GA7  
OVD6  
LCM6  
GB6  
GB3 10  
LCM3 11  
OVD3 12  
GA6  
2
2
I C is a trademark of Philips Corp. Purchase of I C compo-  
nents from Maxim Integrated Products, Inc., or one of its subli-  
censed Associated Companies, conveys a license under the  
2
2
Philips I C Patent Rights to use these components in an I C  
system, provided that the system conforms to the I C Standard  
2
Specification as defined by Philips.  
48-LEAD TQFP  
7 x 7 x 1.0mm  
Typical Operating Circuit appears at end of data sheet.  
______________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...23

中文翻译

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DS3988T+ MAXIM

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 		8-Channel Cold-Cathode Fluorescent Lamp Controller
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DS3991VC MAXIM

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DS3991Z+HB MAXIM

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 		Fluorescent Light Controller, 80kHz Switching Freq-Max, PDSO16, 0.150 INCH, LEAD FREE, SOP

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