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MAX1793

Maxim
Part Number MAX1793
Manufacturer Maxim
Description Low-Dropout / Low IQ / 1A Linear Regulator
Published May 6, 2005
Detailed Description 19-1654; Rev 1; 11/00 Low-Dropout, Low IQ, 1A Linear Regulator MAX1793 General Description The MAX1793 low-dropout line...
Datasheet PDF File MAX1793 PDF File

MAX1793
MAX1793

Overview
19-1654; Rev 1; 11/00 Low-Dropout, Low IQ, 1A Linear Regulator MAX1793 General Description The MAX1793 low-dropout linear regulator (LDO) operates from +2.
5V to +5.
5V and delivers a guaranteed 1A load current with a low 210mV dropout.
The high-accuracy (±1%) output voltage is preset at an internally trimmed voltage (see Ordering Information) or can be adjusted from 1.
25V to 5.
0V with an external resistordivider.
An internal PMOS pass transistor allows a low 125µA supply current, making the MAX1793 ideal for batteryoperated portable equipment.
Other features include a built-in reset output, low-power shutdown, and short-circuit and thermal overload protection.
The MAX1793 is available in a 1.
5W, 16-pin power TSSOP package, which is 30% smaller than a SOT223 package and only 1.
1mm high.
o Guaranteed 1A Output Current o Low 210mV Dropout at 1A o Up to ±1% Output Voltage Accuracy Preset at 1.
5V, 1.
8V, 2.
0V, 2.
5V, 3.
3V or 5.
0V Adjustable from 1.
25V to 5.
0V o Reset Output (4ms delay) o Low 125µA Ground Current o 0.
1µA Shutdown o Low 115µVRMS Output Noise o Thermal Overload Protection o Output Current Limit o Tiny TSSOP Power Package (1.
5W) 30% Smaller than SOT223 (only 1.
1mm high) Features Ordering Information ________________________Applications Notebook Computers Cordless Telephones Cellular Phones Modems Hand-Held Instruments PDAs and Palmtop Computers PART TEMP.
RANGE PINPACKAGE † VOUT (V) MAX1793EUE-50 -40°C to +85°C 16 TSSOP-EP* 5.
0 or Adj MAX1793EUE-33 -40°C to +85°C 16 TSSOP-EP* 3.
3 or Adj MAX1793EUE-25 -40°C to +85°C 16 TSSOP-EP MAX1793EUE-20 -40°C to +85°C 16 TSSOP-EP MAX1793EUE-18 -40°C to +85°C 16 TSSOP-EP MAX1793EUE-15 -40°C to +85°C 16 TSSOP-EP *EP = Exposed Pad † Contact factory for other preset output voltages.
2.
5 or Adj 2.
0 or Adj 1.
8 or Adj 1.
5 or Adj Typical Operating Circuit TOP VIEW IN NC IN CIN IN IN IN ON OFF SET GND SHDN OUT N.
C.
1 OUT COUT IN 2 IN 3 IN 4 IN 5 RST RESET OUTPUT RST 6 SHDN 7 N.
C.
8 Pin Configuration 16 N.
C.
15 OUT 14 OUT MAX1...


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