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Part Number: MAX1589
Description: The MAX1589 low-dropout linear regulator operates from a +1.62V to +3.6V supply and delivers a guaranteed 500mA continu...
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MAX1589
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DataSheet
General Description
MAX1589 General Description
The MAX1589 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 MAX1589 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 thermaloverload protection.
MAX1589 Maximum Ratings
IN, SHDN, RESET to GND....................................................-0.3V to +4.0V
OUT to GND ............................................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration................................................Continuous
Continuous Power Dissipation (TA = +70°C)
6-Pin Thin SOT23 (derate 9.1mW/°C above +70°C)..................727mW
6-Pin TDFN (derate 24.4mW/°C above +70°C) .......................1951mW
Operating Temperature Range ....................................-40°C to +85°C
Junction Temperature................................................................ +150°C
Storage Temperature Range .....................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
OUT to GND ............................................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration................................................Continuous
Continuous Power Dissipation (TA = +70°C)
6-Pin Thin SOT23 (derate 9.1mW/°C above +70°C)..................727mW
6-Pin TDFN (derate 24.4mW/°C above +70°C) .......................1951mW
Operating Temperature Range ....................................-40°C to +85°C
Junction Temperature................................................................ +150°C
Storage Temperature Range .....................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX1589 Features
·Low 1.62V Minimum Input Voltage
·Guaranteed 500mA Output Current
·±0.5% Initial Accuracy
·Low 175mV Dropout at 500mA Load
·70ms RESET Output Flag
·Supply Current Independent of Load and Dropout Voltage
·Logic-Controlled Shutdown
·Thermal-Overload and Short-Circuit Protection
·Preset Output Voltages (0.75V, 1.0V, 1.3V, 1.5V, 1.8V, 2.5V, and 3.0V)
·Tiny 6-Pin Thin SOT23 Package (<1.1mm High)
·Thin 6-Pin TDFN Package (<0.8mm High)
·Guaranteed 500mA Output Current
·±0.5% Initial Accuracy
·Low 175mV Dropout at 500mA Load
·70ms RESET Output Flag
·Supply Current Independent of Load and Dropout Voltage
·Logic-Controlled Shutdown
·Thermal-Overload and Short-Circuit Protection
·Preset Output Voltages (0.75V, 1.0V, 1.3V, 1.5V, 1.8V, 2.5V, and 3.0V)
·Tiny 6-Pin Thin SOT23 Package (<1.1mm High)
·Thin 6-Pin TDFN Package (<0.8mm High)
MAX1589 Typical Application
·Notebook Computers
·Cellular and PCS Telephones
·Personal Digital Assistants (PDAs)
·Hand-Held Computers
·Digital Still Cameras
·PCMCIA Cards
·CD and MP3 Players
·Cellular and PCS Telephones
·Personal Digital Assistants (PDAs)
·Hand-Held Computers
·Digital Still Cameras
·PCMCIA Cards
·CD and MP3 Players
MAX1589 Connection Diagram
MAX1589
PDF/DataSheet Download
- Datasheet: MAX1589
- File Size: 307773 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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