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TPS7A4001-EP

更新时间： 2024-10-05 11:06:23
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
17页 569K
描述
100V 输入电压、50mA 单输出低压降稳压器（增强型产品）

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TPS7A4001-EP 数据手册

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TPS7A4001  
www.ti.com  
SBVS162A –MARCH 2011–REVISED MARCH 2011  
100V Input Voltage, 50mA, Very High Voltage  
LINEAR REGULATOR  
Check for Samples: TPS7A4001  
1
FEATURES  
DESCRIPTION  
The TPS7A4001 is a very high voltage-tolerant linear  
23  
•
Very High Maximum Input Voltage: 100V  
Wide Input Voltage Range: 7V to 100V  
Accuracy:  
regulator that offers the benefits of  
a
•
thermally-enhanced package (MSOP-8), and is able  
to withstand continuous dc or transient input voltages  
of up to 100V.  
•
–
–
Nominal: 1%  
Over Line, Load, and Temperature: 2.5%  
The TPS7A4001 is stable with any output  
capacitance greater than 4.7µF and any input  
capacitance greater than 1µF (over temperature and  
tolerance). Therefore, implementations of this device  
require minimal board space because of its  
miniaturized packaging (MSOP-8) and a potentially  
small output capacitor. In addition, the TPS7A4001  
offers an enable pin (EN) compatible with standard  
CMOS logic to enable a low-current shutdown mode.  
•
•
•
•
•
•
Low Quiescent Current: 25µA  
Quiescent Current at Shutdown: 4.1µA  
Maximum Output Current: 50mA  
CMOS Logic-Level-Compatible Enable Pin  
Adjustable Output Voltage from ~1.175V to 90V  
Stable with Ceramic Capacitors:  
–
–
Input Capacitance: ≥ 1µF  
The TPS7A4001 has an internal thermal shutdown  
and current limiting to protect the system during fault  
conditions. The MSOP-8 packages has an operating  
temperature range of TJ = –40°C to +125°C.  
Output Capacitance: ≥ 4.7µF  
•
•
Dropout Voltage: 290mV  
Built-In Current-Limit and Thermal Shutdown  
Protection  
In addition, the TPS7A4001 is ideal for generating a  
low-voltage supply from intermediate voltage rails in  
telecom and industrial applications; not only it can  
supply a well-regulated voltage rail, but it can also  
withstand and maintain regulation during very high  
and fast voltage transients. These features translate  
to simpler and more cost-effective electrical  
•
•
Package: High Thermal Performance MSOP-8  
PowerPAD™  
Operating Temperature Range: –40°C to  
+125°C  
surge-protection circuitry for  
applications, including PoE, bias supply, and LED  
lighting.  
a
wide range of  
APPLICATIONS  
•
Microprocessors, Microcontrollers Powered by  
Industrial Busses with High Voltage Transients  
•
•
•
•
•
•
Industrial Automation  
Telecom Infrastrucure  
Automotive  
Typical Application  
100V  
VIN  
Power over Ethernet (PoE)  
LED Lighting  
VIN  
VOUT  
OUT  
IN  
CIN  
CBYP  
R1  
TPS7A4001  
Bias Power Supplies  
COUT  
VEN  
EN  
FB  
GND  
R2  
DGN PACKAGE  
3mm ´ 5mm MSOP-8 PowerPAD  
(TOP VIEW)  
Post DC/DC Converter Regulation for  
High-Performace Analog Circuitry  
1
2
3
4
OUT  
FB  
8
7
6
5
IN  
NC  
NC  
EN  
NC  
GND  
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
3
PowerPAD is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
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 © 2011, Texas Instruments Incorporated  
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