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DS3984T+T&R

更新时间： 2024-11-22 14:41:51
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
24页 489K
描述
Fluorescent Light Controller, 80kHz Switching Freq-Max, 7 X 7 MM, 1 MM HEIGHT, LEAD FREE, TQFP-32

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DS3984T+T&R 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：QFP包装说明：TQFP, TQFP32,.35SQ,32
针数：32Reach 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：S-XQFP-G32
JESD-609代码：e3长度：7 mm
湿度敏感等级：3功能数量：1
端子数量：32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：TQFP封装等效代码：TQFP32,.35SQ,32
封装形状：SQUARE封装形式：FLATPACK, THIN PROFILE
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：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：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：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：7 mm
Base Number Matches：1

DS3984T+T&R 数据手册

 浏览型号DS3984T+T&R的Datasheet PDF文件第2页浏览型号DS3984T+T&R的Datasheet PDF文件第3页浏览型号DS3984T+T&R的Datasheet PDF文件第4页浏览型号DS3984T+T&R的Datasheet PDF文件第5页浏览型号DS3984T+T&R的Datasheet PDF文件第6页浏览型号DS3984T+T&R的Datasheet PDF文件第7页 
Rev 1; 5/07  
4-Channel Cold-Cathode  
Fluorescent Lamp Controller  
DS3984  
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  
PIN-PACKAGE  
32 TQFP  
♦ Per-Channel Lamp Fault Monitoring for Lamp  
Open, Lamp Overcurrent, Failure to Strike, and  
Overvoltage Conditions  
♦ Accurate ( 5%) Independent On-Board Oscillators  
for Lamp Frequency (40kHz to 80kHz) and DPWM  
Burst Dimming Frequency (22.5Hz to 440Hz)  
DS3984T  
DS3984T+  
DS3984Z  
DS3984Z+  
32 TQFP  
28 SO.300  
28 SO.300  
+Denotes a lead-free package.  
♦ Can Be Synchronized to External Sources for the  
Pin Configurations  
Lamp and DPWM Frequencies  
♦ <10% to 100% 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  
♦ I2C-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  
23 LCM4  
Numbers and Date Codes  
DS3984  
GA1  
22 GB4  
21 GA4  
20 OVD3  
19 LCM3  
18 GB3  
17 GA3  
♦ 4.5V to 5.5V Single-Supply Operation  
♦ -40°C to +85°C Temperature Range  
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.  
1234567...24

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