MIC5255-3.0YM5 TR Microchip Power Supply (SOT23 (5-Pin)) In Stock
The MIC5255-3.0YM5 TR is a 150 mA LDO linear voltage regulator with a fixed 3.0 V output at ±1% accuracy, accepting 2.7 V to 6 V input. It is housed in a 5-pin SOT-23 package for compact battery-powered and portable power supply designs.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MIC5255-3.0YM5 TR Datasheet PDF
- Category
- Power Supply
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 150 mA output current with fixed 3.0 V output at ±1% accuracy
- Wide 2.7 V to 6 V input voltage range for battery and USB powered designs
- Ultra-compact 5-pin SOT-23 package for space-sensitive layouts
- Low dropout voltage for extended battery runtime in portable devices
- Enable pin allows system-level power sequencing and standby control
- Tape-and-reel TR packaging for automated SMT production lines
Applications
The MIC5255-3.0YM5 TR is widely used in portable electronics, IoT sensor nodes, and wearable devices requiring a clean regulated 3.0 V rail from a lithium or alkaline battery. Its compact SOT-23 footprint and enable pin make it ideal for battery-powered microcontroller supply rails, Bluetooth modules, and low-power sensor interface circuits.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the minimum input voltage required to maintain a 3.0 V regulated output on MIC5255-3.0YM5 TR?
The MIC5255-3.0YM5 TR operates from a minimum of 2.7 V input, but the actual minimum depends on the dropout voltage at load current. At 150 mA full load, the dropout is typically a few hundred millivolts above 3.0 V output.
How does the enable pin on MIC5255-3.0YM5 TR support power sequencing in a multi-rail IoT design?
The active-high enable pin allows a host MCU or sequencer to turn the 3.0 V rail on or off independently, enabling proper power-up sequencing where the 3.0 V supply must start after a 5 V rail or stay off during battery conservation modes.
For a compact wearable PCB, how does the SOT-23 package of MIC5255-3.0YM5 TR compare to SOIC-8 alternatives?
The 5-pin SOT-23 package occupies roughly 3 mm x 3 mm of board area versus approximately 5 mm x 4 mm for an SOIC-8 part, offering a significant footprint reduction that benefits wearables and coin-cell-powered sensor boards.
Related Guides
DP83848 10/100 Mbps Ethernet PHY Transceiver: How to Choose the Right Variant
A complete selection guide for the DP83848 family: compare temperature grades, packages, JTAG support, and interface options across all five variants.
Jun 2, 2026
LM5156 Wide-VIN Boost/SEPIC/Flyback Controller: How to Choose the Right Variant
A concise selection guide for the LM5156 and LM51561 family: how to choose between automotive vs industrial grade, spread-spectrum vs fixed-frequency, and WSON-8 vs HTSSOP-14 package.
Jun 2, 2026
24LC01B I2C EEPROM Design Guide: Pinout, Write Timing, and Package Selection
Complete application note for the Microchip 24LC01B 1 Kbit I2C EEPROM: address wiring, pull-up sizing, acknowledge polling, page-write alignment, and package selection.
Jun 1, 2026
AD8531ARTZ-REEL7 Application Note: High-Current Op-Amp Design Guide
A complete design guide for the AD8531ARTZ-REEL7 250 mA rail-to-rail op-amp: decoupling, thermal budgeting, capacitive load stability, and PCB layout best practices.
Jun 1, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
PIC16LF88-I/SS
Small Outline Packages
Integrated Circuit
25AA02E48-I/SN
Small Outline Packages
Integrated Circuit
PIC18F1220-I/SO
Small Outline Packages
Integrated Circuit
MIC5319-1.8YD5-TR
SOT23 (5-Pin)
Integrated Circuit
dsPIC33FJ256GP710A-I/PT
Quad Flat Packages
Integrated Circuit
BM70BLES1FC2-0B03AA
Other
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”