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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging Tape & Reel (TR) |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.64V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 16 μA
Current - Supply (Max) 95 μA
PSRR 57dB ~ 51dB (100Hz ~ 100kHz)
Control Features 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 Monolithic Power Systems MPQ2019GN-5-Z is a 300mA low dropout linear regulator with a fixed 5V output. It features an ultra-low quiescent current of 16 μA, making it ideal for battery-powered and always-on applications. The dropout voltage is 0.64V at full load, and the 8-SOIC-EP package provides good thermal performance.

  • Ultra-Low Quiescent Current: 16 μA dramatically extends battery life in standby and active modes.
  • Wide PSRR Range: 57dB to 51dB (100Hz-100kHz) ensures stable output across frequencies.
  • Low Dropout: 0.64V @ 300mA improves efficiency.
  • Compact SOIC-EP: Exposed pad enhances thermal dissipation.

Battery-Powered IoT Sensors

The ultra-low 16 μA quiescent current makes it perfect for always-on IoT devices, extending battery life significantly.

Automotive Always-On Systems

Ideal for powering standby circuits in automotive electronics where minimal current draw is critical.

Portable Medical Devices

Provides a stable 5V rail for portable health monitors and diagnostic equipment.

Industrial Sensors

With 57dB to 51dB PSRR across 100Hz to 100kHz, it ensures clean power for industrial sensor interfaces.

Energy Harvesting Systems

Low quiescent current makes it suitable for energy-harvesting applications with limited power budgets.

Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.64V at 300mA output current.
Q: What is the quiescent current?
A: The quiescent current is very low at 16 μA.
Q: What package is available?
A: It is available in an 8-SOIC-EP package.
Base Product Number : MPQ2019GN-5
300mA 5V 8-SOIC-EP LDO Linear Regulator Low Dropout MPQ2019 MPS
Q: What is the output voltage?
A: The fixed output voltage is 5V.
Q: What is the maximum output current?
A: It can deliver up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the official datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.64V at 300mA output current.
Q: What is the quiescent current?
A: The quiescent current is very low at 16 μA.
Q: What package is available?
A: It is available in an 8-SOIC-EP package.