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UCC3975PW PDF预览

UCC3975PW

更新时间: 2024-02-24 02:01:53
品牌 Logo 应用领域
德州仪器 - TI 变压器控制器
页数 文件大小 规格书
28页 434K
描述
MULTI TOPOLOGY PIEZOELECTRIC TRANSFORMER CONTROLLER

UCC3975PW 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:TSSOP-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N模拟集成电路 - 其他类型:FLUORESCENT LIGHT CONTROLLER
控制技术:RESONANT CONTROL最大输入电压:13.5 V
最小输入电压:3 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.4 mm功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源:3/13.5 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:105 kHz技术:CMOS
温度等级:COMMERCIAL端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:3 mm
Base Number Matches:1

UCC3975PW 数据手册

 浏览型号UCC3975PW的Datasheet PDF文件第2页浏览型号UCC3975PW的Datasheet PDF文件第3页浏览型号UCC3975PW的Datasheet PDF文件第4页浏览型号UCC3975PW的Datasheet PDF文件第5页浏览型号UCC3975PW的Datasheet PDF文件第6页浏览型号UCC3975PW的Datasheet PDF文件第7页 
ꢀꢁꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢀꢁꢁ ꢂ ꢃꢄ ꢇ ꢆ ꢀ ꢁꢁ ꢂꢃ ꢄꢄ  
ꢀꢁꢁ ꢈ ꢃꢄ ꢅ ꢆ ꢀꢁꢁ ꢈ ꢃꢄ ꢇ ꢆ ꢀ ꢁꢁ ꢈꢃ ꢄꢄ  
SLUS499A – NOVEMBER 2001 – REVISED JANUARY 2002  
ꢎ ꢖꢋ ꢔꢎ ꢊ ꢊꢒ  
FEATURES  
DESCRIPTION  
D
3-V to 13.5-V Operation  
Liquid crystal display (LCD) enclosures and cold  
D
Supports Flyback (UCC3975), Half-Bridge  
(UCC3976), and Push-Pull (UCC3977)  
Topologies  
cathode fluorescent lamps (CCFLs) used in  
notebook computer and portable electronics  
displays are becoming increasingly narrow,  
generating the need for a low profile CCFL power  
supply. Recent advances in single- and  
multi-layered piezoelectric ceramic transformers  
(PZT) have enabled the development of a new  
generation of efficient, size-reduced backlight  
converters. The UCC3975/6/7 family of 8-pin PZT  
controllers integrate the necessary circuitry for  
operating a PZT-based backlight supply using a  
flyback, half-bridge, or push-pull topology. The  
choice of power topology depends on application  
requirements such as input voltage, lamp voltage,  
and PZT gain.  
D
D
D
D
D
Programmable Voltage Controlled Oscillator  
Open Lamp Protection  
Low Shutdown Current (15-µA Typical)  
Dual MOSFET Drivers  
8-Pin TSSOP package  
APPLICATIONS  
D
D
D
Notebook Computers  
Portable Electronics Displays  
Portable Instruments  
D
OPEN  
SHUTDOWN  
VDD  
C
OPEN  
R
OPEN  
1
2
OPEN/SD  
VDD  
8
7
R
OSC  
OUTP  
HV  
LRES  
C
OSC  
RANGE  
UCC3976  
R
OSC  
R
3
COMP  
OUTN  
6
5
PIEZO  
XFMR  
C
CNT  
FB  
4
FB  
GND  
R
R
FB  
D
FB  
CCFL  
CS  
UDG–01092  
Figure 1. UCC3976-Based CCFL Power Supply Using a Resonant Half-Bridge Topology  
ꢋꢥ  
Copyright 2002, Texas Instruments Incorporated  
ꢡ ꢥ ꢢ ꢡꢚ ꢛꢯ ꢝꢜ ꢠ ꢨꢨ ꢦꢠ ꢞ ꢠ ꢟ ꢥ ꢡ ꢥ ꢞ ꢢ ꢪ  
ꢠꢞ  
1
www.ti.com  

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