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MAX1792

Maxim
Part Number MAX1792
Manufacturer Maxim
Description 500mA Low-Dropout Linear Regulator
Published May 6, 2005
Detailed Description 19-1699; Rev 0; 9/00 500mA Low-Dropout Linear Regulator in µMAX General Description The MAX1792 low-dropout linear regu...
Datasheet PDF File MAX1792 PDF File

MAX1792
MAX1792

Overview
19-1699; Rev 0; 9/00 500mA Low-Dropout Linear Regulator in µMAX General Description The MAX1792 low-dropout linear regulator operates from a +2.
5V to +5.
5V supply and delivers a guaranteed 500mA load current with low 130mV dropout.
The high-accuracy (±1%) output voltage is preset at an internally trimmed voltage (see Selector Guide) or can be adjusted from 1.
25V to 5.
0V with an external resistive divider.
An internal PMOS pass transistor allows the low 80µA supply current to remain independent of load, making this device ideal for portable battery-operated equipment such as personal digital assistants (PDAs), cellular phones, cordless phones, base stations, and notebook computers.
Other features include an active-low open-drain reset output with a 4ms timeout period that indicates when the output is out of regulation, a 0.
1µA shutdown mode, short-circuit protection, and thermal shutdown protection.
The device is available in a miniature 1.
3W, 8-pin power-µMAX package with a metal pad on the underside of the package.
o Guaranteed 500mA Output Current o Low 130mV Dropout at 500mA o Up to ±1% Output Voltage Accuracy Preset at 1.
5V, 1.
8V, 2.
5V, 3.
3V, or 5.
0V Adjustable from 1.
25V to 5.
0V o Reset Output with 4ms Timeout Period o Low 80µA Ground Current o 0.
1µA Shutdown Current o Thermal Overload Protection o Output Current Limit o Tiny 1.
3W Power-µMAX Package Features MAX1792 Ordering Information PART* MAX1792EUA_ _ TEMP RANGE -40°C to +85°C PIN-PACKAGE 8 Power-µMAX ________________________Applications Notebook Computers Cellular and Cordless Telephones Personal Digital Assistants (PDAs) Palmtop Computers Base Stations USB Hubs Docking Stations *Insert the desired two-digit suffix (see Selector Guide) into the blanks to complete the part number.
Contact factory for other preset output voltages.
Selector Guide PART AND SUFFIX MAX1792EUA15 MAX1792EUA18 MAX1792EUA25 MAX1792EUA33 MAX1792EUA50 VOUT 1.
5V or Adj.
1.
8V or Adj.
2.
5V or Adj.
3.
3V or Adj.
5.
0V or Adj.
µMAX T...


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