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DS3984T+ PDF预览

DS3984T+

更新时间: 2024-02-10 01:45:24
品牌 Logo 应用领域
达拉斯 - DALLAS 控制器
页数 文件大小 规格书
24页 790K
描述
4-Channel Cold-Cathode Fluorescent Lamp Controller

DS3984T+ 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.300 INCH, LEAD FREE, SOP-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
模拟集成电路 - 其他类型:FLUORESCENT LIGHT CONTROLLER最大输入电压:5.5 V
最小输入电压:4.5 VJESD-30 代码:R-PDSO-G28
JESD-609代码:e3长度:17.905 mm
湿度敏感等级:1功能数量:1
端子数量:28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:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:2.67 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:PUSH-PULL
最大切换频率:80 kHz温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
Base Number Matches:1

DS3984T+ 数据手册

 浏览型号DS3984T+的Datasheet PDF文件第2页浏览型号DS3984T+的Datasheet PDF文件第3页浏览型号DS3984T+的Datasheet PDF文件第4页浏览型号DS3984T+的Datasheet PDF文件第5页浏览型号DS3984T+的Datasheet PDF文件第6页浏览型号DS3984T+的Datasheet PDF文件第7页 
Rev 0; 4/05  
4-Channel Cold-Cathode  
Fluorescent Lamp Controller  
General Description  
Features  
The DS3984 is a 4-channel controller for cold-cathode  
fluorescent lamps (CCFLs) used to backlight liquid  
crystal displays (LCDs) in TV and PC monitor applica-  
tions. The DS3984 supports configurations of 1 to 4  
lamps, and multiple DS3984 controllers can be cascad-  
ed to support applications requiring more than 4 lamps.  
High-Density CCFL Controller for LCD TV and PC  
Monitor Backlights  
Can Be Easily Cascaded to Support More Than  
4 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  
Ordering Information  
Gate Driver Phasing Minimizes DC Supply Current  
Surges  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PꢀN-PACKAGE  
32 TQFP  
Per-Channel Lamp Fault Monitoring for Lamp  
Open, Lamp Overcurrent, Failure to Strike, and  
Overvoltage Conditions  
DS3984T  
DS3984T+  
DS3984Z  
DS3984Z+  
32 TQFP  
28 SO.300  
28 SO.300  
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.  
Can Be Synchronized to External Sources for the  
Pin Configurations  
Lamp and DPWM Frequencies  
<105 to 1005 Dimming Range  
TOP VIEW  
Programmable Soft-Start Minimizes Audible  
LOSC  
A0  
1
2
3
4
5
6
7
8
9
28 LSYNC  
27 FAULT  
26 SCL  
Transformer Noise  
2C-Compatible Serial Port and On-Board  
Nonvolatile (NV% Memory Allow Device  
Customization  
PSYNC  
POSC  
BRIGHT  
SVM  
25 SDA  
24 OVD4  
8-Byte NV User Memory for Storage of Serial  
Numbers and Date Codes  
23 LCM4  
DS3984  
4.±V to ±.±V Single-Supply Operation  
-40°C to +8±°C Temperature Range  
GA1  
22 GB4  
21 GA4  
20 OVD3  
19 LCM3  
18 GB3  
17 GA3  
GB1  
LCM1  
32-Lead TQFP (7mm x 7mm% Package or  
OVD1 10  
GA2 11  
28-Pin SO (300 mils% Package  
GB2 12  
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  
LCM2 13  
OVD2 14  
16  
V
CC  
15 GND  
2
2
Philips I C Patent Rights to use these components in an I C  
2
system, provided that the system conforms to the I C Standard  
Specification as defined by Philips.  
28-SO-300  
Pin Configurations continued at end of data sheet.  
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.  

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