MIC5270BM5 TR Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
The MIC5270BM5 TR is a low-dropout linear voltage regulator from Microchip Technology in a compact SOT-23-5 package, offering precise output voltage regulation with low quiescent current for portable and battery-powered designs. It delivers stable output from 1.5V to 15V adjustable range with up to 150mA output current and wide input voltage support. Available on tape and reel for high-volume automated assembly with worldwide distribution.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MIC5270BM5 TR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low dropout voltage enables efficient regulation even when input-output differential is minimal, extending battery life in portable devices
- SOT-23-5 package occupies minimal PCB area of approximately 1.6mm x 2.9mm, ideal for space-constrained designs
- Low quiescent current reduces standby power consumption in battery-operated handheld and IoT equipment
- Wide output voltage adjustability from 1.5V to 15V supports diverse power rail requirements with a single part number
- Tape-and-reel packaging (TR suffix) ensures compatibility with pick-and-place automated assembly for high-volume production
Applications
The MIC5270BM5 TR suits portable consumer electronics, wearables, and IoT sensor nodes where board space is limited and battery longevity is critical. Its adjustable output voltage and low dropout performance make it a strong choice for powering microcontrollers, RF transceivers, and precision analog circuits from Li-ion or alkaline battery cells. It is also used in industrial handheld instruments and medical monitoring devices that demand compact, efficient linear regulation.
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 maximum output current can the MIC5270BM5 TR supply, and is it enough for a Bluetooth SoC plus peripherals?
The MIC5270BM5 TR can supply up to 150mA of continuous output current. This is typically sufficient for a low-power Bluetooth SoC drawing 10mA to 30mA in active mode, plus additional peripherals such as sensors and LEDs, provided total load stays below the 150mA rated limit. Designers should budget headroom for startup transients and peak RF bursts.
How small is the MIC5270BM5 TR footprint, and why does it matter for wearable PCB layouts?
The MIC5270BM5 TR comes in a SOT-23-5 package measuring approximately 1.6mm x 2.9mm with a pitch of 0.95mm between pins. This tiny 5-pin footprint allows it to fit alongside a coin cell or a 3.7V Li-ion cell in wrist-worn or clip-on devices where every square millimeter of PCB area is critical to achieving the target form factor.
What input voltage range does the MIC5270BM5 TR support when powering a 3.3V microcontroller rail?
The MIC5270BM5 TR can accept input voltages up to 16V, making it compatible with single-cell Li-ion (3.7V to 4.2V), dual-cell alkaline (3V), and regulated 5V USB power sources when set to output 3.3V. The low dropout characteristic means regulation is maintained even when a nearly discharged Li-ion cell provides as little as 3.5V input, adding useful runtime margin.
When should a designer prefer the MIC5270BM5 TR over a switching regulator for a noise-sensitive analog front end?
A linear regulator such as the MIC5270BM5 TR generates no switching noise, making it the preferred choice when powering ADC reference circuits, precision op-amps, or RF receiver front ends where switching spurs from a DC-DC converter would degrade signal-to-noise ratio. Efficiency trade-off is acceptable when the input-to-output voltage differential is small, for example stepping from 3.7V to 3.3V, keeping thermal dissipation well below 1W at 150mA maximum load.
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