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Product attributes Property Value
Manufacturer Monolithic Power Systems Inc.
Product Series
Packaging |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 3.3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.6V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 95 μA
Current - Supply (Max) -
PSRR 45dB (1kHz)
Control Features Enable, Power Good
Protection Features Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
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-33 from Monolithic Power Systems is a fixed 3.3V, 300mA LDO linear regulator in an 8-SOIC-EP package. It features a low dropout voltage of 0.6V at full load and a quiescent current of 95 μA. With good PSRR and thermal performance, this regulator is designed for automotive and industrial applications requiring higher output current.

  • Higher Output Current: 300mA capability supports more demanding loads than typical 150mA LDOs.
  • Low Dropout: 0.6V dropout at 300mA improves efficiency and allows operation with lower input voltages.
  • Excellent Thermal Performance: The 8-SOIC-EP package with exposed pad dissipates heat effectively.
  • Automotive Grade: Designed for automotive applications, ensuring reliability in harsh environments.

Automotive Infotainment Systems

Provides a stable 3.3V rail for infotainment processors and audio DSPs. The 300mA output can handle moderate loads, and the exposed pad package aids thermal dissipation.

Industrial Automation

Powers PLCs and industrial sensors that require a reliable 3.3V supply. The low dropout of 0.6V ensures operation even with input voltage variations.

Networking Equipment

Ideal for routers and switches, providing a clean 3.3V supply for PHY chips and switch controllers.

Medical Monitoring Devices

For patient monitors and diagnostic equipment, this LDO offers stable power with good PSRR (45dB at 1kHz) to reject noise.

FPGA and CPLD Power

Can power the auxiliary logic of FPGAs and CPLDs that require 3.3V, ensuring reliable operation in prototyping and production.

Battery-Powered Equipment

With 95 μA quiescent current, it is suitable for battery-powered devices that need higher output current than the MP2013A series.

Q: What is the fixed output voltage of the MPQ2019GN-33?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: The maximum output current is 300mA.
Q: What is the input voltage range?
A: The input voltage must be above 3.3V plus dropout; refer to the datasheet for absolute maximum ratings.
Q: What is the dropout voltage at full load?
A: The dropout voltage is 0.6V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 95 μA.
Q: What package is this available in?
A: It is available in an 8-SOIC-EP (exposed pad) package.
Base Product Number : MPQ2019GN-33
3.3V 300mA 8-SOIC-EP Automotive Fixed Output LDO Linear Regulator MPS
Q: What is the fixed output voltage of the MPQ2019GN-33?
A: The fixed output voltage is 3.3V.
Q: What is the maximum output current?
A: The maximum output current is 300mA.
Q: What is the input voltage range?
A: The input voltage must be above 3.3V plus dropout; refer to the datasheet for absolute maximum ratings.
Q: What is the dropout voltage at full load?
A: The dropout voltage is 0.6V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 95 μA.
Q: What package is this available in?
A: It is available in an 8-SOIC-EP (exposed pad) package.