MAQ5281-3.3YMME-T5 Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MAQ5281-3.3YMME-T5 is a 3.3 V linear voltage regulator in a small outline package, providing stable regulated output for low-voltage digital and analog circuits in automotive and industrial embedded applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- MAQ5281-3.3YMME-T5 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3 V regulated output voltage ideal for powering 3.3 V logic and microcontroller supply rails
- Linear regulator topology provides low output noise, important for sensitive analog and RF circuits
- Small outline package reduces PCB area and simplifies board integration in compact embedded designs
- Automotive-grade AEC-Q100 qualification suitable for harsh vehicle environment temperature and vibration
- Minimal external components required, typically one input and one output bypass capacitor
Applications
The MAQ5281-3.3YMME-T5 is suited for generating stable 3.3 V supply rails in automotive body control modules, telematics units, and in-vehicle infotainment systems that require clean regulated power for microcontrollers and communication ICs. Its linear regulator topology ensures low output ripple, making it appropriate for powering noise-sensitive analog and RF components alongside digital logic. The small outline package and automotive-grade design allow integration into tight PCB layouts in vehicle-mounted and industrial control applications.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MAQ5281-3.3YMME-T5:
120VIN, 25mA, Ultra-Low IQ, High PSRR Linear Reg (Automotive)
Frequently Asked Questions
What fixed output voltage does the MAQ5281-3.3YMME-T5 provide, and what loads can it drive?
The MAQ5281-3.3YMME-T5 provides a fixed 3.3 V regulated output, suitable for powering 3.3 V microcontrollers, FPGAs, memory ICs, and communication transceivers. The exact current rating depends on the package thermal limits, but linear regulators in this family typically support output currents from 100 mA to 500 mA for embedded supply rails.
Why choose a linear regulator like the MAQ5281-3.3YMME-T5 over a switching regulator for 3.3 V applications?
Linear regulators produce significantly lower output noise than switching regulators, typically below 50 µV RMS, which is critical for powering RF transceivers, precision ADCs, and oscillators. When the input-to-output voltage differential is small (for example, 5 V input to 3.3 V output), the efficiency penalty is acceptable and the simplicity of a linear regulator reduces component count and EMI design challenges.
Is the MAQ5281-3.3YMME-T5 suitable for automotive applications, and what temperature range does it cover?
Yes, the MAQ5281-3.3YMME-T5 carries Microchip automotive qualification, making it suitable for in-vehicle applications such as body control modules and sensor interfaces. Automotive-grade linear regulators in this family typically operate across -40°C to +125°C, meeting the AEC-Q100 reliability requirements for vehicle electronics exposed to engine compartment temperatures and wide ambient variation.
How many external components does the MAQ5281-3.3YMME-T5 require for a typical application circuit?
The MAQ5281-3.3YMME-T5 requires only 2 external capacitors in a typical design: one at the input (commonly 1 µF to 10 µF) for supply filtering and one at the output (commonly 1 µF to 10 µF) for stability. This minimal BOM simplifies board design, reduces assembly cost, and keeps the PCB footprint small in space-constrained automotive and industrial modules.
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