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LP3996QSDX-1833NOPB PDF预览

LP3996QSDX-1833NOPB

更新时间： 2024-11-23 12:36:43
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
20页 1121K
描述
Dual Linear Regulator with 300 mA and 150 mA Outputs and Power-On-Reset

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LP3996QSDX-1833NOPB 数据手册

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LP3996-Q1  
www.ti.com  
SNVSA17 –OCTOBER 2013  
Dual Linear Regulator with 300 mA and 150 mA Outputs and Power-On-Reset  
Check for Samples: LP3996-Q1  
1
FEATURES  
DESCRIPTION  
The LP3996-Q1 is a dual low dropout regulator with  
power-on-reset circuit. The first regulator can source  
150 mA, while the second is capable of sourcing 300  
mA and has a power-on-reset function included.  
2
•
2 LDO Outputs with Independent Enable  
•
1.5% Accuracy at Room Temperature, 3% Over  
Temperature  
•
Power-On-Reset Function with Adjustable  
Delay  
The LP3996-Q1 provides 1.5% accuracy requiring an  
ultra low quiescent current of 35 µA. Separate enable  
pins allow each output of the LP3996-Q1 to be shut  
down, drawing virtually zero current.  
•
•
•
•
Thermal Shutdown Protection  
Stable with Ceramic Capacitors  
Qualified for Automotive Applications  
The device is designed to be stable with small  
footprint ceramic capacitors down to 1 µF. An  
external capacitor may be used to set the POR delay  
time as required.  
AEC-Q100 Test Guidance with the Following  
Results:  
–
Device Temperature Grade 1: –40°C to  
125°C  
The LP3996-Q1 is available in fixed output voltages  
and comes in a 10-pin, 3 mm x 3 mm package.  
–
–
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C4B  
KEY SPECIFICATIONS  
•
•
•
•
•
Input Voltage Range 2.0V to 6.0V  
Low Dropout Voltage 210 mV at 300 mA  
Ultra-Low IQ (Enabled) 35 µA  
APPLICATIONS  
•
•
•
•
Cellular Handsets  
PDAs  
Virtually Zero IQ (Disabled) <10 nA  
Wireless Network Adaptors  
Automotive  
Package Available in Lead-Free Option  
10-pin 3 mm x 3 mm  
Typical Application Circuit  
470 k:  
LP3996-Q1  
VIN  
VOUT1  
VOUT2  
POR  
VOUT1  
VOUT2  
POR  
VIN  
EN1  
EN2  
EN1  
EN2  
CBYP  
SET  
1 PF  
10 nF  
1 PF  
1 PF  
GND  
Sets delay  
for POR  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2013, Texas Instruments Incorporated  
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