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TPS7A6933-Q1 PDF预览

TPS7A6933-Q1

更新时间： 2024-11-06 12:16:19
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德州仪器 - TI 稳压器
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26页 7427K
描述
High-Voltage Ultralow-Iq Low-Dropout Regulator

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TPS7A6933-Q1 数据手册

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TPS7A6601-Q1, TPS7A6633-Q1  
TPS7A6650-Q1, TPS7A6933-Q1  
TPS7A6950-Q1  
www.ti.com  
SLVSBL0B –DECEMBER 2012–REVISED AUGUST 2013  
High-Voltage Ultralow-Iq Low-Dropout Regulator  
Check for Samples: TPS7A6601-Q1, TPS7A6633-Q1, TPS7A6650-Q1, TPS7A6933-Q1, TPS7A6950-Q1  
1
FEATURES  
•
•
Low Input Voltage Tracking  
Integrated Power-On Reset  
•
•
Qualified for Automotive Applications  
–
–
Programmable Reset-Pulse Delay  
Open-Drain Reset Output  
AEC-Q100 Qualified With the Following  
Results  
–
Device Temperature Grade 1: –40°C to  
125°C Ambient Operating Temperature  
Range  
•
Integrated Fault Protection  
–
–
Thermal Shutdown  
Short-Circuit Protection  
–
–
Device HBM ESD Classification Level H2  
Device CDM ESD Classification Level C3B  
•
•
Input Voltage Sense Comparator  
(TPS7A69xx-Q1 Only)  
•
4-V to 40-V Wide Vin Input Voltage Range With  
up to 45-V Transient  
Packages  
–
–
8-Pin SOIC-D for TPS7A69xxQ1  
•
•
Output Current 150 mA  
8-Pin MSOP-DGN for TPS7A66xx-Q1  
Low Quiescent Current Iq:  
–
–
2 µA when EN = Low (Shutdown Mode)  
12 µA Typical at Light Loads  
APPLICATIONS  
•
•
•
•
Qualified for Automotive Applications  
Infotainment Systems With Sleep Mode  
Body Control Modules  
•
•
•
Low ESR Ceramic Output Stability Capacitor  
(2.2 µF–100 µF)  
300-mV Dropout Voltage at 150 mA  
(Typical, VIN = 4 V)  
Always-On Battery Applications  
–
–
–
Gateway Applications  
Remote Keyless Entry Systems  
Immobilizers  
Fixed (3.3-V and 5-V) and Adjustable  
(1.5-V to 5-V) Output Voltages  
(Adjustable for TPS7A66xx-Q1 Only)  
DESCRIPTION  
The TPS7A66xx and TPS7A69xx are low-dropout linear regulators designed for up to 40-V Vin operations. With  
only 12-µA quiescent current at no load, they are quite suitable for standby micro control unit systems, especially  
in automotive applications.  
The devices feature integrated short-circuit and overcurrent protection. The devices implement reset delay on  
power up to indicate the output voltage is stable and in regulation. One can program the delay with an external  
capacitor. A low-voltage tracking feature allows for a smaller input capacitor and can possibly eliminate the need  
of using a boost converter during cold-crank conditions.  
The devices operate in the –40°C to 125°C temperature range. These features suit the devices well for power  
supplies in various automotive applications.  
TYPICAL APPLICATION SCHEMATIC  
TPS7A66xx-Q1  
TPS7A69xx-Q1  
Vbat  
Vbat  
Vreg  
Vreg  
Vout  
PG  
8
6
1
Vin  
Vout  
8
7
6
1
2
Vin  
SO  
EN  
PG  
2
4
SI  
4
CT  
GND  
5
CT  
GND  
5
Figure 1. Hardware-Enable Option  
Figure 2. Input-Voltage-Sensing Option  
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.  
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 © 2012–2013, Texas Instruments Incorporated  
1234567...26

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