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MAX16999 PDF预览

MAX16999

更新时间: 2023-12-20 18:45:48
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
11页 1106K
描述
超低输出电压、低静态电流线性稳压器,用于高温环境

MAX16999 数据手册

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MAX16999  
Ultra-Low Output Voltage, Low-Quiescent-Current  
Linear Regulator for High-Temperature Applications  
General Description  
Features  
● Preset 0.5V to 3.3V Output Voltage Range  
The MAX16999 linear regulator operates from a 2.5V to  
5.5V input voltage and delivers 100mA continuous load  
current with a low quiescent current typically around  
13μA. The output voltage is preset to internally trimmed  
voltages in the 0.5V to 3.3V range (see the Selector  
Guide). An active-low, open-drain reset output remains  
low for a programmable timeout delay after the output  
voltage reaches regulation. The reset timeout is pro-  
grammed by an external capacitor connected to CRES.  
● Up to 100mA Output Current at T = +125°C  
A
● 13μA Quiescent Current  
Logic-Controlled Enable  
● Adjustable POR Delay Flag  
● Short to GND Protection on Reset Timer  
● Used in Parallel with High-Current Supply of Equal  
Voltages  
This device also features logic-controlled shutdown, and  
short-circuit and thermal-overload protection. The typical  
applications are multimedia, telematics, and motor control  
microcontrollers (μCs) with always-on requirements. The  
MAX16999 is used as a parallel, lowquiescent supply to  
power the core or interrupt section of μCs during sleep  
mode. It can also be used to supply a timer or memory  
during μC shutoff. The adjustable POR delay assists with  
power-supply sequencing.  
● Thermal-Overload and Short-Circuit Protection  
®
● Tiny 8-Pin μMAX Package with Exposed Pad  
Ordering Information  
PART*  
TEMP RANGE  
PIN-PACKAGE  
MAX16999AUA_ _+  
-40°C to +125°C  
8 µMAX-EP**  
*Insert the desired two-digit suffix (see the Selector Guide) into  
the blanks to complete the part number. Contact the factory for  
other output voltages or other package options.  
Applications  
Industrial  
● SDRAM Power Supplies  
Keep-Alive Timers  
● Handheld/Portable Devices  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
**EP = Exposed pad.  
Selector Guide appears at end of data sheet.  
Typical Operating Circuit  
Pin Configuration  
OUTPUT  
0.5V TO 3.3V  
INPUT  
2.5V TO 5.5V  
TOP VIEW  
IN  
OUT  
C
C
OUT  
IN  
1µF  
4.7µF  
+
OUT  
OUT  
1
2
3
4
8
7
6
5
IN  
MAX16999  
LOGIC  
SUPPLY  
IN  
MAX16999  
ON  
EN  
CRES  
CRES  
RESET  
EN  
GND  
C
CRES  
15nF  
*
OFF  
µMAX  
RESET  
TO CONTROLLER  
EP  
GND  
*EXPOSED PAD  
μMAX is a registered trademark of Maxim Integrated Products,  
Inc.  
19-4114; Rev 2; 2/15  

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