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TPS65140RGERG4 PDF预览

TPS65140RGERG4

更新时间： 2024-11-16 15:54:59
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
32页 1200K
描述
2.6A SWITCHING REGULATOR, 2100kHz SWITCHING FREQ-MAX, PQCC24, GREEN, PLASTIC, QFN-24

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TPS65140RGERG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.65
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 VJESD-30 代码：S-PQCC-N24
JESD-609代码：e4长度：4 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：2.6 A
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：LCC24,.16SQ,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：3.3 V
认证状态：Not Qualified座面最大高度：1 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：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：4 mm
Base Number Matches：1

TPS65140RGERG4 数据手册

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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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