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UBA3070T PDF预览

UBA3070T

更新时间: 2024-02-20 23:35:07
品牌 Logo 应用领域
恩智浦 - NXP 显示驱动器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
13页 78K
描述
LED backlight driver IC

UBA3070T 技术参数

Source Url Status Check Date:2013-06-14 00:00:00生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.72Is Samacsys:N
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G8
长度:4.9 mm功能数量:1
端子数量:8封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:15 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Display Drivers
最大供电电压:10.6 V最小供电电压:9.3 V
标称供电电压:10 V表面贴装:YES
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
最小 fmax:0.205 MHzBase Number Matches:1

UBA3070T 数据手册

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UBA3070  
LED backlight driver IC  
Rev. 02 — 2 December 2008  
Product data sheet  
1. General description  
The UBA3070 driver IC is the first member of a first generation of power-efficient LED  
backlight driver ICs.  
Highly efficient, flexible and reliable LED drivers can easily be designed using the  
UBA3070 control IC.  
2. Features  
I Switch-mode buck controller that drives strings of LEDs up to 600 V power-efficiently  
I Controller with power-efficient boundary conduction mode of operation:  
N No reverse recovery losses in freewheel diode  
N Zero current switching for turn-on of switch  
N Zero voltage or valley switching for turn-on of switch  
N Minimal required inductance value and size  
I Direct Pulse Width Modulation (PWM) dimming available  
I Fast transient response through cycle-by-cycle current control, thereby:  
N Preventing over or undershoots in the LED current  
N Enabling efficient PWM dimming by quickly turning the converter on and off and  
thereby removing the need for extra dim switches and high-side drivers  
I Single loosely controlled input voltage required for all LED strings in RGB backlights  
I No binning on LED forward voltage required  
I Protections:  
N Undervoltage lockout  
N Leading edge blanking  
N Overcurrent  
N Overtemperature  
I Low cost LED driver solution:  
N No Schottky diode required because of zero-current switching  
N No dim switch and high-side driver required for PWM dimming  
N Smaller inductor possible compared to fixed-frequency continuous conduction  
mode controllers  
3. Applications  
I The UBA3070 is typically suited as a high voltage LED backlighting application in LCD  
televisions and monitors (See Figure 1)  

UBA3070T 替代型号

型号 品牌 替代类型 描述 数据表
UBA3070T/N1,118 NXP

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