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TPS65170RHDR PDF预览

TPS65170RHDR

更新时间: 2024-11-16 05:55:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
33页 4615K
描述
LCD Bias Supply

TPS65170RHDR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:QFN-28针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.21Is Samacsys:N
其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 9.6V TO 18.5V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE最大输入电压:14.7 V
最小输入电压:8.6 V标称输入电压:12 V
JESD-30 代码:S-PQCC-N28JESD-609代码:e4
长度:5 mm湿度敏感等级:2
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
最大输出电流:4.2 A最大输出电压:18.5 V
最小输出电压:9.6 V标称输出电压:3.3 V
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC28,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
电源:12 V认证状态:Not Qualified
座面最大高度:0.9 mm子类别:Power Management Circuits
最大供电电流 (Isup):10 mA标称供电电压 (Vsup):12 V
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:900 kHz温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5 mm
Base Number Matches:1

TPS65170RHDR 数据手册

 浏览型号TPS65170RHDR的Datasheet PDF文件第2页浏览型号TPS65170RHDR的Datasheet PDF文件第3页浏览型号TPS65170RHDR的Datasheet PDF文件第4页浏览型号TPS65170RHDR的Datasheet PDF文件第5页浏览型号TPS65170RHDR的Datasheet PDF文件第6页浏览型号TPS65170RHDR的Datasheet PDF文件第7页 
TPS65170  
www.ti.com  
SLVSA27 OCTOBER 2009  
LCD Bias Supply  
Check for Samples :TPS65170  
The TPS65170 also provides a reset circuit that  
monitors the buck converter output (VLOGIC) and  
generates a reset signal for the timing controller  
during power-up.  
1
FEATURES  
8.6V to 14.7V Input Voltage Range  
2.8A Boost Converter Switch Current Limit  
Boost Converter Output Voltages up to 18.5V  
A control signal can also be generated to control an  
external MOSFET isolation switch located between  
the output of the boost converter and the display  
panel.  
Boost and Buck Converter Short-Circuit  
Protection  
1.5A Buck Converter Switch Current Limit  
Fixed 750kHz Switching Frequency for Buck  
and Boost Converters  
Isolation Switch  
Control  
Fixed Buck Converter Soft-Start  
Programmable Boost Converter Soft-Start  
Boost  
Converter  
Two Charge Pump Controllers to Regulate VGH  
and VGL  
Control Signal for External High-Side MOSFET  
Isolation Switch  
Buck  
Converter  
Reset Signal With Programmable Reset Pulse  
Duration  
Positive  
LDO Controller  
Thermal Shutdown  
28-Pin 5×5 mm QFN Package  
Negative  
LDO Controller  
APPLICATIONS  
LCD TVs and Monitors  
Reset  
Generator  
DESCRIPTION  
The TPS65170 provides a simple and economic  
power supply solution for a wide variety of LCD bias  
applications.  
In typical display panel applications, the boost  
converter generates the display panel’s source  
voltage VS, the buck converter generates the  
system’s logic supply VLOGIC, and the two charge  
pump controllers regulate the external charge pumps  
generating the display transistors’ on and off supplies  
VGH and VGL  
.
By using external transistors to regulate the charge  
pump output voltage, power dissipation in the IC is  
significantly reduced, simplifying PCB thermal design  
and improving reliability.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2009, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  

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