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TPS65145PWPRG4 PDF预览

TPS65145PWPRG4

更新时间： 2024-11-16 20:42:03
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
32页 1220K
描述
4-CH LCD Bias w/ Fully Int. Pos. Charge Pump, 3.3V LDO Contr., 0.96A Min. Boost Ilim & Fault Detect 24-HTSSOP -40 to 85

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TPS65145PWPRG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：HTSSOP, TSSOP24,.25
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.23其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 5V TO 15V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.8 V
最小输入电压：2.7 V标称输入电压：3.3 V
JESD-30 代码：R-PDSO-G24JESD-609代码：e4
长度：7.8 mm湿度敏感等级：2
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.56 A标称输出电压：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP24,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3.3 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：Power Management Circuits
最大供电电流 (Isup)：0.9 mA标称供电电压 (Vsup)：3.3 V
表面贴装：YES切换器配置：BOOST
最大切换频率：2100 kHz技术：CMOS
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

TPS65145PWPRG4 数据手册

 浏览型号TPS65145PWPRG4的Datasheet PDF文件第2页浏览型号TPS65145PWPRG4的Datasheet PDF文件第3页浏览型号TPS65145PWPRG4的Datasheet PDF文件第4页浏览型号TPS65145PWPRG4的Datasheet PDF文件第5页浏览型号TPS65145PWPRG4的Datasheet PDF文件第6页浏览型号TPS65145PWPRG4的Datasheet PDF文件第7页 
TPS65140, TPS65141  
TPS65145  
www.ti.com  
SLVS497E –SEPTEMBER 2003–REVISED NOVEMBER 2012  
TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD  
Check for Samples: TPS65140, TPS65141, TPS65145  
1
FEATURES  
DESCRIPTION  
2
•
2.7-V to 5.8-V Input Voltage Range  
1.6-MHz Fixed Switching Frequency  
3 Independent Adjustable Outputs  
The TPS6514x series offers a compact and small  
power supply solution to provide all three voltages  
required by thin film transistor (TFT) LCD displays.  
The auxiliary linear regulator controller can be used  
to generate a 3.3-V logic power rail for systems  
powered by a 5-V supply rail only.  
•
•
•
Main Output up to 15 V With <1% Typical  
Output Voltage Accuracy  
•
•
•
•
•
•
•
•
•
•
•
Virtual Synchronous Converter Technology  
Negative Regulated Charge Pump Driver VO2  
Positive Charge Pump Converter VO3  
Auxiliary 3.3-V Linear Regulator Controller  
Internal Soft Start  
The main output VO1 is a 1.6-MHz fixed frequency  
PWM boost converter providing the source drive  
voltage for the LCD display. The device is available in  
two versions with different internal switch current  
limits to allow the use of a smaller external inductor  
when lower output power is required. The  
TPS65140/41 has a typical switch current limit of 2.3  
A and the TPS65145 has a typical switch current limit  
of 1.37 A. A fully integrated adjustable charge pump  
doubler/tripler provides the positive LCD gate drive  
voltage. An externally adjustable negative charge  
pump provides the negative gate drive voltage. Due  
to the high 1.6-MHz switching frequency of the  
charge pumps, inexpensive and small 220-nF  
capacitors can be used.  
Internal Power-On Sequencing  
Fault Detection of all Outputs (TPS65140/45)  
No Fault Detection (TPS65141)  
Thermal Shutdown  
System Power Good  
Available in TSSOP-24 and QFN-24  
PowerPAD™ Packages  
APPLICATIONS  
Additionally, the TPS6514x series has a system  
power good output to indicate when all supply rails  
are acceptable. For LCD panels powered by 5 V the  
device has a linear regulator controller using an  
external transistor to provide a regulated 3.3 V output  
for the digital circuits. For maximum safety, the  
TPS65140/45 goes into shutdown as soon as one of  
the outputs is out of regulation. The device can be  
enabled again by toggling the input or the enable  
(EN) pin to GND. The TPS65141 does not enter  
shutdown when one of its outputs is below its power  
good threshold.  
•
•
•
•
•
•
TFT LCD Displays for Notebooks  
TFT LCD Displays for Monitors  
Portable DVD Players  
Tablet PCs  
Car Navigation Systems  
Industrial Displays  
TPS6514x  
V 1  
O
Vin  
2.7 V to 5.8 V  
Boost  
Converter  
Up to 15 V / 400 mA  
V 3  
O
Positive Charge  
Pump  
Up to 30 V / 20 mA  
V 2  
O
Negative  
Charge Pump  
Up to 12 V / 20 mA  
Power Good  
PG  
Linear Regulator  
Controller  
V 4  
O
3.3 V  
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.  
2
PowerPAD is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2012, Texas Instruments Incorporated  
1234567...32

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TPS65145PWPRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS65145PWPG4 TI

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 TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD
TPS65145PWP TI

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 TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD
TPS65145PWPR TI

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 TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD

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