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MAX1589EZT300+ PDF预览

MAX1589EZT300+

更新时间: 2024-11-25 13:10:23
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MAX1589EZT300+ 数据手册

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19-3048; Rev 0; 10/03  
Low-Input-Voltage, 500mA LDO Regulator  
RESET  
with  
in SOT and TDFN  
General Description  
Features  
o Low 1.62V Minimum Input Voltage  
o Guaranteed 500mA Output Current  
The MAX1589 low-dropout linear regulator operates  
from a +1.62V to +3.6V supply and delivers a guaran-  
teed 500mA continuous load current with a low 175mV  
dropout. The high-accuracy ( 0.5ꢀ% output voltage is  
preset to internally trimmed voltages from +0.75V to  
+3.0V. An active-low, open-drain reset output remains  
asserted for at least 70ms after the output voltage reach-  
es regulation. This device is offered in 6-pin thin SOT23  
and 6-pin 3mm x 3mm thin DFN packages.  
o
0.5ꢀ Initial Accuracy  
o Low 175mV Dropout at 500mA Load  
o 70ms RESET Output Flag  
o Supply Current Independent of Load and Dropout  
Voltage  
o Logic-Controlled Shutdown  
o Thermal-Overload and Short-Circuit Protection  
o Preset Output Voltages (0.75V, 1.0V, 1.3V, 1.5V,  
An internal PMOS pass transistor maintains low supply  
current, independent of load and dropout voltage, making  
the MAX1589 ideal for portable battery-powered equip-  
ment such as personal digital assistants (PDAs%, digital  
still cameras, cell phones, cordless phones, and note-  
book computers. Other features include logic-controlled  
shutdown, short-circuit protection, and thermal-  
overload protection.  
1.8V, 2.5V, and 3.0V)  
o Tiny 6-Pin Thin SOT23 Package (<1.1mm High)  
o Thin 6-Pin TDFN Package (<0.8mm High)  
Ordering Information  
PART*  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
6 Thin SOT23-6  
6 TDFN  
MAX1589EZT_ _ _-T  
MAX1589ETA_ _ _  
*Insert the desired three-digit suffix (see the Selector Guide) into  
the blanks to complete the part number. Contact the factory for  
other output voltages.  
Applications  
Selector Guide  
Notebook Computers  
Cellular and PCS Telephones  
Personal Digital Assistants (PDAs%  
Hand-Held Computers  
Digital Still Cameras  
MAX1589  
TOP MARK  
V
OUT  
(V)  
SUFFIX  
SOT  
TDFN  
AFJ  
0.75  
1.00  
1.30  
1.50  
1.80  
2.50  
3.00  
075  
100  
130  
150  
180  
250  
300  
AAAT  
AAAU  
AAAV  
AAAW  
AAAX  
AAAY  
AAAZ  
AFK  
AFL  
PCMCIA Cards  
CD and MP3 Players  
AFM  
AFN  
AFO  
AFP  
Typical Operating Circuit  
Pin Configurations  
TOP VIEW  
INPUT  
OUTPUT  
1.62V TO 3.6V  
0.75V TO 3.0V  
500mA  
IN  
OUT  
C
C
OUT  
4.7µF  
IN  
1µF  
1
2
3
6
5
4
IN  
GND  
OUT  
I.C.  
OUT  
I.C.  
1
2
3
6
5
4
IN  
LOGIC  
SUPPLY  
MAX1589  
SHDN  
GND  
MAX1589  
MAX1589  
100kΩ  
RESET  
ON  
SHDN  
TO µC  
RESET  
SHDN  
RESET  
OFF  
TDFN  
3mm x 3mm  
GND  
THIN SOT23  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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