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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Output Configuration Obsolete
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 16V
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.7V @ 500mA
Current - Output 500mA
Current - Quiescent (Iq) -
Current - Supply (Max) -
PSRR 75dB (120Hz)
Control Features -
Protection Features Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Supplier Device Package TO-263-3
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MIC5237-2.5YU is a fixed 2.5V low dropout linear regulator capable of sourcing 500mA. Packaged in a TO-263-3, it offers a dropout voltage of 0.7V at full load. With an excellent 75dB PSRR at 120Hz, it delivers clean, stable power for audio, industrial, and telecom applications.

  • Excellent Ripple Rejection: 75dB PSRR at 120Hz ensures clean output for analog and mixed-signal circuits.
  • High Current Capacity: 500mA output supports a wide range of loads.
  • Low Dropout: 0.7V dropout maximizes efficiency in battery-powered systems.
  • Robust Package: TO-263-3 provides excellent thermal performance for demanding applications.

High-Performance Audio Equipment

The 75dB PSRR at 120Hz effectively suppresses mains hum, making it ideal for powering analog audio stages in amplifiers and mixers.

Industrial Control Systems

Provides a stable 2.5V reference for PLCs and motor controllers, ensuring accurate analog-to-digital conversions in noisy factory environments.

Telecom Infrastructure

Delivers clean 2.5V power to line drivers and transceivers in base stations, where ripple rejection is critical for signal integrity.

Automotive Electronics

The TO-263-3 package handles higher power dissipation, suitable for automotive sensors and ECUs requiring a regulated 2.5V rail.

Medical Imaging Devices

Low noise output supports sensitive imaging sensors and signal processing chains in ultrasound and MRI equipment.

Q: What is the output voltage of the MIC5237-2.5YU?
A: The fixed output voltage is 2.5V.
Q: What is the maximum output current?
A: It can deliver up to 500mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.7V at a 500mA load.
Q: What is the PSRR?
A: The PSRR is 75dB at 120Hz.
Q: What package is available?
A: It comes in a TO-263-3 package.
Base Product Number : MIC5237-2.5YU
2.5V 500mA High PSRR LDO Linear Regulator Microchip TO-263-3
Q: What is the output voltage of the MIC5237-2.5YU?
A: The fixed output voltage is 2.5V.
Q: What is the maximum output current?
A: It can deliver up to 500mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; please refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.7V at a 500mA load.
Q: What is the PSRR?
A: The PSRR is 75dB at 120Hz.
Q: What package is available?
A: It comes in a TO-263-3 package.