Texas Instruments LM1117MPX-5.0

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 15V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 1.2V @ 800mA
Current - Output 800mA
Current - Quiescent (Iq) 5 mA
Current - Supply (Max) 10 mA
PSRR 75dB (120Hz)
Control Features -
Protection Features Over Current, Over Temperature
Operating Temperature 0°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Supplier Device Package SOT-223-4
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LM1117MPX-5.0 is a fixed 5V low dropout linear regulator capable of delivering 800mA of output current. With a dropout voltage of 1.2V at full load, it efficiently regulates from higher input rails. The device offers excellent ripple rejection of 75dB at 120Hz, ensuring a clean output for sensitive electronics. Packaged in a compact SOT-223-4, it is widely used in consumer, industrial, and embedded applications requiring a reliable 5V supply.

  • High Ripple Rejection: 75dB at 120Hz provides clean power for audio and precision analog circuits.
  • Robust Current Handling: 800mA output supports multiple ICs and peripherals.
  • Compact SOT-223 Package: Easy to solder and suitable for space-limited PCBs.
  • Proven Reliability: A widely adopted regulator with a long track record in industrial designs.

5V Logic and Microcontroller Supplies

The LM1117MPX-5.0 provides a stable 5V rail for microcontrollers, logic ICs, and peripheral interfaces, with 800mA capacity for multiple loads.

Industrial Control Panels

Its SOT-223 package and 75dB PSRR at 120Hz make it suitable for industrial controllers, rejecting line noise from motors and relays.

Set-Top Boxes and Media Players

Powering audio codecs and video processors, this regulator delivers clean 5V with low ripple, ensuring high-quality media output.

Arduino and Maker Projects

As a drop-in 5V regulator, it supports hobbyist boards and sensors, offering reliable performance with up to 800mA for expansion modules.

Telecom Equipment

In base stations and routers, the LM1117MPX-5.0 powers line drivers and interface circuits, maintaining stable 5V under varying load conditions.

Battery Chargers

It can regulate 5V for charging circuits in portable devices, providing a steady supply for charging ICs and status LEDs.

Q: What is the output voltage of the LM1117MPX-5.0?
A: The fixed output voltage is 5.0V.
Q: What is the maximum output current?
A: It can provide up to 800mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for recommended operating conditions.
Q: What is the dropout voltage?
A: The dropout voltage is 1.2V at 800mA load.
Q: What is the quiescent current?
A: The quiescent current is 5 mA.
Q: What package is available?
A: It is available in a SOT-223-4 surface-mount package.
Base Product Number : LM1117MPX-5.0
5V 800mA Fixed Output High PSRR LDO Linear Regulator National Semiconductor SOT-223-4
Q: What is the output voltage of the LM1117MPX-5.0?
A: The fixed output voltage is 5.0V.
Q: What is the maximum output current?
A: It can provide up to 800mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet for recommended operating conditions.
Q: What is the dropout voltage?
A: The dropout voltage is 1.2V at 800mA load.
Q: What is the quiescent current?
A: The quiescent current is 5 mA.
Q: What package is available?
A: It is available in a SOT-223-4 surface-mount package.