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Part Number: MAX1792
Description: The MAX1792 low-dropout linear regulator operates from a +2.5V to +5.5V supply and delivers a guarante...
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MAX1792
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DataSheet
General Description
MAX1792 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 80A 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 0.1A shutdown mode,short-circuit protection, and thermal shutdown protection.
The device is available in a miniature 1.3W, 8-pin power-MAX package with a metal pad on the underside of the package.
MAX1792 Maximum Ratings
IN, SHDN, RST, SET to GND ....................................-0.3V to +6V
OUT to GND ................................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration ........................................Indefinite
Continuous Power Dissipation (TA = +70°C)
8-Pin Power-MAX (derate 17mW/°C above +70°C).......1.3W
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
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX1792 Features
` Guaranteed 500mA Output Current
` Low 130mV Dropout at 500mA
` 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
` Reset Output with 4ms Timeout Period
` Low 80A Ground Current
` 0.1A Shutdown Current
` Thermal Overload Protection
` Output Current Limit
` Tiny 1.3W Power-MAX Package
` Low 130mV Dropout at 500mA
` 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
` Reset Output with 4ms Timeout Period
` Low 80A Ground Current
` 0.1A Shutdown Current
` Thermal Overload Protection
` Output Current Limit
` Tiny 1.3W Power-MAX Package
MAX1792 Typical Application
Notebook Computers
Cellular and Cordless Telephones
Personal Digital Assistants (PDAs)
Palmtop Computers
Base Stations
USB Hubs
Docking Stations
Cellular and Cordless Telephones
Personal Digital Assistants (PDAs)
Palmtop Computers
Base Stations
USB Hubs
Docking Stations
MAX1792 Connection Diagram
MAX1792
PDF/DataSheet Download
- Datasheet: MAX1792
- File Size: 348955 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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