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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series MPQ
Packaging Tape & Reel (TR) |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.64V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 15 μA
Current - Supply (Max) 95 μA
PSRR 45dB (1kHz), 57dB ~ 51dB (100Hz ~ 100kHz)
Control Features Current Limit, Enable, Power Good
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SOIC-EP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MPQ2019GN-5-AEC1-P from Monolithic Power Systems is an automotive-grade LDO delivering 300mA at fixed 5V. With 15 μA quiescent current and 0.64V dropout, it offers efficient regulation for 5V systems. The 8-SOIC-EP package provides excellent thermal performance, and PSRR of 45dB at 1kHz ensures noise rejection.

  • Automotive Reliability: AEC-Q1 qualified for harsh environments.
  • Low Quiescent Current: 15 μA ideal for always-on circuits.
  • Thermal Management: Exposed pad enhances heat transfer.
  • Wideband Noise Rejection: 57dB~51dB PSRR from 100Hz to 100kHz.

Automotive Sensor Power

AEC-Q1 certified 5V rail for pressure and temperature sensors with stable output under engine vibration.

5V Logic Systems

Powers legacy 5V microcontrollers and peripheral ICs in industrial control panels.

Battery Backup Systems

Low 15 μA quiescent current preserves backup battery life in alarm systems.

Telecom Line Cards

Clean 5V supply for analog front-ends with 45dB PSRR at 1kHz reducing crosstalk.

Portable Test Equipment

Reliable 5V output for calibration circuits with thermal protection via exposed pad.

LED Display Drivers

Stable 5V rail for shift registers and display controllers in signage.

Q: What is the output voltage?
A: Fixed 5V output.
Q: What is the maximum current?
A: 300mA maximum output current.
Q: What is the input voltage range?
A: Input voltage is 5V (typical application).
Q: What is the dropout voltage?
A: 0.64V at 300mA load.
Q: What is the quiescent current?
A: 15 μA quiescent current.
Q: What package is available?
A: 8-SOIC-EP package.
Base Product Number : MPQ2019GN-5
300mA 5V 8-SOIC-EP AEC-Q1 Automotive LDO Linear Regulator MPS
Q: What is the output voltage?
A: Fixed 5V output.
Q: What is the maximum current?
A: 300mA maximum output current.
Q: What is the input voltage range?
A: Input voltage is 5V (typical application).
Q: What is the dropout voltage?
A: 0.64V at 300mA load.
Q: What is the quiescent current?
A: 15 μA quiescent current.
Q: What package is available?
A: 8-SOIC-EP package.