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MAX1589A

Maxim
Part Number MAX1589A
Manufacturer Maxim
Description 500mA LDO Regulator
Published Aug 18, 2015
Detailed Description 19-3664; Rev 0; 4/05 MAX1589A Low-Input-Voltage, 500mA LDO Regulator with RESET in SOT and TDFN General Description T...
Datasheet PDF File MAX1589A PDF File

MAX1589A
MAX1589A


Overview
19-3664; Rev 0; 4/05 MAX1589A Low-Input-Voltage, 500mA LDO Regulator with RESET in SOT and TDFN General Description The MAX1589A low-dropout linear regulator operates from a +1.
62V to +3.
6V supply and delivers a guaranteed 500mA continuous load current with a low 175mV dropout.
The high-accuracy (±0.
5%) 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 reaches regulation.
This device is offered in 6-pin thin SOT23 and 6-pin, 3mm x 3mm thin DFN packages.
An internal pMOS pass transistor maintains low supply current, independent of load and dropout voltage, making the MAX1589A ideal for portable battery-powered equipment such as personal digital assistants (PDAs), digital still cameras, cell phones, cordless phones, and notebook computers.
Other features include logic-controlled shutdown, short-circuit protection, and thermal-overload protection.
Applications Notebook Computers Cellular and PCS Phones Personal Digital Assistants (PDAs) Handheld Computers Digital Still Cameras PCMCIA Cards CD and MP3 Players Typical Operating Circuit INPUT 1.
62V TO 3.
6V IN CIN 1µF OUT MAX1589A ON OFF SHDN RESET GND OUTPUT 500mA 0.
75V TO 3.
0V COUT 4.
7µF LOGIC SUPPLY 100kΩ TO µC Features o Low 1.
62V Minimum Input Voltage o Guaranteed 500mA Output Current o ±0.
5% 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, 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 PIN-PACKAGE MAX1589AEZT_ _ _+T -40°C to +85°C 6 Thin SOT23-6 MAX1589AETT_ _ _ + -40°C to +85°C 6 TDFN *Insert the desired three-digit suffix (see the Selector Guide) into the blanks to...


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