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UCC2976PWRG4 PDF预览

UCC2976PWRG4

更新时间: 2024-09-21 09:27:55
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管
页数 文件大小 规格书
28页 433K
描述
IC,BALLAST/BACKLIGHT CONTROLLER/DRIVER,TSSOP,8PIN,PLASTIC

UCC2976PWRG4 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:TSSOP, TSSOP8,.25Reach Compliance Code:unknown
风险等级:5.84JESD-30 代码:R-PDSO-G8
端子数量:8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: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
子类别:Switching Regulator or Controllers表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL

UCC2976PWRG4 数据手册

 浏览型号UCC2976PWRG4的Datasheet PDF文件第2页浏览型号UCC2976PWRG4的Datasheet PDF文件第3页浏览型号UCC2976PWRG4的Datasheet PDF文件第4页浏览型号UCC2976PWRG4的Datasheet PDF文件第5页浏览型号UCC2976PWRG4的Datasheet PDF文件第6页浏览型号UCC2976PWRG4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  
1
www.ti.com  

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