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LP3995ITL-2.5/NOPB

更新时间： 2024-11-24 02:58:31
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德州仪器 - TI 输出元件调节器
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23页 1647K
描述
Micropower 150-mA CMOS Voltage Regulator With Active Shutdown

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LP3995ITL-2.5/NOPB 数据手册

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LP3995  
www.ti.com  
SNVS179E –FEBRUARY 2003–REVISED MARCH 2013  
LP3995 Micropower 150mA CMOS Voltage Regulator with Active Shutdown  
Check for Samples: LP3995  
1
FEATURES  
DESCRIPTION  
The LP3995 linear regulator is designed to meet the  
requirements of portable battery-powered applications  
and will provide an accurate output voltage with low  
noise and low quiescent current. Ideally suited for  
powering RF/Analog devices, this device will also be  
used to meet more general circuit needs in which a  
fast turn-off is essential.  
2
•
5 pin DSBGA Package  
•
•
•
•
•
•
•
6 pin WSON Package  
Stable With Ceramic Capacitor  
Logic Controlled Enable  
Fast Turn-On  
Active Disable for Fast Turn-Off  
Thermal-overload and Short-Circuit Protection  
For battery powered applications the low dropout and  
low ground current provided by the device allows the  
lifetime of the battery to be maximized. The  
Enable(/Disable) control allows the system to further  
extend the battery lifetime by reducing the power  
consumption to virtually zero.  
−40 to +125°C Junction Temperature Range for  
Operation  
APPLICATIONS  
The Enable(/Disable) function on the device  
incorporates an active discharge circuit on the output  
for faster device shutdown. Where the fast turn-off is  
not required the LP3999 linear regulator is  
recommended.  
•
•
•
•
•
GSM Portable Phones  
CDMA Cellular Handsets  
Wideband CDMA Cellular Handsets  
Bluetooth Devices  
Portable Information Appliances  
The LP3995 also features internal protection against  
short-circuit  
conditions.  
currents  
and  
over-temperature  
KEY SPECIFICATIONS  
•
•
•
•
Input Range: 2.5V to 6.0V  
The LP3995 is designed to be stable with small 1.0  
µF ceramic capacitors. The small outline of the  
LP3995 DSBGA package with the required ceramic  
capacitors can realize a system application within  
minimal board area.  
Accurate Output Voltage: ±75mV / 2%  
Typical Dropout with 150 mA Load: 60mV  
Virtually Zero Quiescent Current when  
Disabled  
Performance is specified for a −40°C to +125°C  
temperature range.  
•
•
•
•
•
Low Output Voltage Noise  
Stable with an Output Capacitor of 1µF  
Output Current: 150mA  
The device is available in DSBGA package and  
WSON package. For other package options contact  
your local TI sales office.  
Fast Turn-on: 30µs (Typ.)  
Fast Turn-off: 175µs (Typ.)  
The device is available in fixed output voltages in the  
ranges 1.5V to 3.3V. For availability, please contact  
your local TI sales office.  
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
All 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 © 2003–2013, Texas Instruments Incorporated  
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LP3995ITL-2.5/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP3995ITLX-2.5/NOPB TI

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 Micropower 150mA CMOS Voltage Regulator with Active Shutdown. 5-DSBGA -40 to 125

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