Micrel Inc. MIC5255-3.0BD5

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Product attributes Property Value
Manufacturer Micrel Inc.
Product Series
Packaging Bulk |
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 3V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.25V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 150 µA
Current - Supply (Max) -
PSRR 60dB ~ 50dB (10Hz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5
Supplier Device Package TSOT-23-5

The MIC5255-3.0BD5 is a fixed 3.0V low dropout linear regulator delivering up to 150mA. Its low quiescent current and 0.25V dropout voltage make it suitable for battery-operated equipment. The TSOT-23-5 package offers a compact solution for space-constrained designs.

  • Low quiescent current (150µA) extends battery life in portable applications.
  • Low dropout voltage (0.25V @ 150mA) maintains regulation with minimal headroom.
  • Good PSRR (60dB~50dB) reduces supply noise for sensitive loads.
  • Compact TSOT-23-5 package saves PCB space.

Battery-Powered Portable Devices

The low 150µA quiescent current and 0.25V dropout at 150mA make it ideal for extending battery life in handheld electronics like remote controls and wearables.

Noise-Sensitive Analog Circuits

With PSRR of 60dB to 50dB from 10Hz to 10kHz, it effectively filters supply noise for precision analog sensors and audio codecs.

Wireless Modules

Stable 3.0V output supports RF transceivers and Bluetooth modules, ensuring consistent performance under varying load conditions.

Industrial Sensor Interfaces

The TSOT-23-5 package and 150mA capability suit compact industrial transmitters requiring clean, regulated power.

Automotive Interior Electronics

Its low dropout characteristic maintains regulation during cold-crank events, supporting infotainment and dashboard clusters.

Q: What is the output voltage of the MIC5255-3.0BD5?
A: The fixed output voltage is 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.25V at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 150µA.
Q: What package is available?
A: It comes in a TSOT-23-5 package.
Base Product Number : MIC5255-3.0BD5
150mA 3.0V LDO Linear Regulator Low Dropout Low Quiescent Current TSOT-23-5
Q: What is the output voltage of the MIC5255-3.0BD5?
A: The fixed output voltage is 3.0V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.25V at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 150µA.
Q: What package is available?
A: It comes in a TSOT-23-5 package.