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MAX16999 PDF预览

MAX16999

更新时间: 2024-01-01 05:54:24
品牌 Logo 应用领域
美信 - MAXIM 稳压器
页数 文件大小 规格书
10页 218K
描述
Ultra-Low Output Voltage, Low-Quiescent-Current Linear Regulator for High-Temperature Applications

MAX16999 数据手册

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19-4114; Rev 0; 4/08  
Ultra-Low Output Voltage, Low-Quiescent-Current  
Linear Regulator for High-Temperature Applications  
MAX169  
General Description  
Features  
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.  
Preset 0.5V to 3.3V Output Voltage Range  
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  
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, low-  
quiescent supply to power the core or interrupt section  
of µCs during sleep mode. It can also be used to sup-  
ply a timer or memory during µC shutoff. The adjustable  
POR delay assists with power-supply sequencing.  
Used in Parallel with High-Current Supply of  
Equal Voltages  
AEC-100 Qualification Request  
Thermal-Overload and Short-Circuit Protection  
Tiny 8-Pin µMAX® Package with Exposed Pad  
Ordering Information  
PART*  
TEMP RANGE  
PIN-PACKAGE  
Applications  
MAX16999AUA_ _+  
-40°C to +125°C  
8 µMAX-EP**  
Industrial  
*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.  
+Denotes a lead-free package and RoHS compliant.  
**EP = Exposed pad.  
SDRAM Power Supplies  
Keep-Alive Timers  
Handheld/Portable Devices  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
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
IN  
C
OUT  
1μF  
4.7μF  
LOGIC  
SUPPLY  
MAX16999  
+
OUT  
OUT  
1
2
3
4
8
7
6
5
IN  
ON  
EN  
CRES  
C
15nF  
IN  
CRES  
MAX16999  
OFF  
CRES  
RESET  
EN  
GND  
*
RESET  
μMAX  
TO CONTROLLER  
EP  
GND  
*EXPOSED PAD  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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