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Part Number: MAX1935
Description: The MAX1935 low-dropout linear regulator operates from a 2.25V to 5.5V supply and delivers a guarantee...
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MAX1935
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DataSheet
General Description
MAX1935 General Description
The MAX1935 low-dropout linear regulator operates from a 2.25V to 5.5V supply and delivers a guaranteed 500mA load current with low 175mV dropout. The highaccuracy (±1.5%) output voltage is preset at an internally trimmed voltage or can be adjusted from 0.8V to 4.5V with an external resistive-divider.
An internal PMOS pass transistor allows low 210A supply current, making this device ideal for portable equipment such as personal digital assistants (PDAs),cellular phones, cordless phones, and other equipment,including base stations and docking stations.
Other features include an active-low, power-OK output that indicates when the output is out of regulation, a 0.02A shutdown mode, short-circuit protection, and thermal-shutdown protection. The MAX1935 comes in a tiny 1.9W, 8-pin 3mm x 3mm thin QFN package.
MAX1935 Maximum Ratings
IN, SHDN, POK, SET to GND ...................................-0.3V to +6V
OUT to GND ................................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration.....................................Continuous
Continuous Power Dissipation (TA = +70°C)
8-Pin Thin QFN (derate 24.4mW/°C above +70°C) ......1.95W
Operating Temperature ....................................-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
MAX1935 Features
` Guaranteed 500mA Output Current
` Output Down to 0.8V
` Low 175mV Dropout at 500mA
` ±1.5% Output Voltage Accuracy
Preset at 1.5V
Adjustable from 0.8V to 4.5V
` Power-OK Output
` Low 210A Ground Current
` 0.02A Shutdown Current
` Thermal-Overload Protection
` Output Current Limit
` Tiny 1.9W, 8-Pin 3mm x 3mm Thin QFN Package
` Output Down to 0.8V
` Low 175mV Dropout at 500mA
` ±1.5% Output Voltage Accuracy
Preset at 1.5V
Adjustable from 0.8V to 4.5V
` Power-OK Output
` Low 210A Ground Current
` 0.02A Shutdown Current
` Thermal-Overload Protection
` Output Current Limit
` Tiny 1.9W, 8-Pin 3mm x 3mm Thin QFN Package
MAX1935 Typical Application
·Notebook Computers
·Cellular and Cordless Telephones
·PDAs
·Palmtop Computers
·Base Stations
·USB Hubs
·Docking Stations
·Cellular and Cordless Telephones
·PDAs
·Palmtop Computers
·Base Stations
·USB Hubs
·Docking Stations
MAX1935 Connection Diagram
MAX1935
PDF/DataSheet Download
- Datasheet: MAX1935
- File Size: 211964 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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