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Home > Products > Integrated Circuits (ICs) > Specialized ICs > MM3894A02YRE
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MM3894A02YRE

Manufacturer Part Number:
MM3894A02YRE
Manufacturer / Brand
SUMI
Part of Description:
3141
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 36724 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MM3894A02YRE
Manufacturer / Brand SUMI
Stock Quantity 36724 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description 3141
Lead Free Status / RoHS Status: RoHS Compliant
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can the MM3894A02YRE be used in a 3.3V system with a 5V-tolerant I/O requirement without risking damage to downstream components?
The MM3894A02YRE, packaged in SOT-6, is not designed for 5V-tolerant operation. Its absolute maximum input voltage is limited to VCC + 0.3V, meaning applying 5V signals while powered at 3.3V exceeds this threshold and risks latch-up or long-term degradation. For mixed-voltage systems, use a level shifter or select a part with explicit overvoltage protection.
What are the key thermal design considerations when using the MM3894A02YRE in a high-ambient-temperature industrial environment?
The SOT-6 package of the MM3894A02YRE has limited thermal dissipation capability. In ambient temperatures above 85°C, junction temperature may approach limits even at moderate power loads. Ensure adequate copper pour on the PCB for heat spreading and avoid enclosing the device in confined spaces without airflow. Thermal derating should be applied per the datasheet’s power dissipation curves.
Is the MM3894A02YRE suitable for replacing a Texas Instruments TPS7A4700 in a low-noise analog power rail application?
The MM3894A02YRE is not a direct functional replacement for the TPS7A4700. While both are voltage regulators, the MM3894A02YRE lacks the ultra-low noise performance and high PSRR required for precision analog rails. Its output noise characteristics and transient response are optimized for general-purpose use, making it inappropriate for sensitive data acquisition or RF front-end circuits.
Can I parallel multiple MM3894A02YRE devices to increase current delivery in a compact design?
Paralleling the MM3894A02YRE is not recommended due to lack of current-sharing control and internal feedback loop mismatches. Unequal current distribution can cause one device to overheat, especially in the thermally constrained SOT-6 package. For higher current needs, select a single regulator with higher rated output current instead.
What happens if the input voltage to the MM3894A02YRE drops below the specified dropout voltage during brownout conditions?
When input voltage falls below the dropout threshold of the MM3894A02YRE, the output voltage will track the input minus a small headroom, losing regulation. This can cause downstream logic or sensors to malfunction. Implement input undervoltage lockout (UVLO) or use a regulator with lower dropout voltage if operation under brownout is expected.
Are there known compatibility issues when migrating from the MM3894A02YRE to a similar SOT-6 packaged regulator from another manufacturer, such as Diodes Inc. or ON Semiconductor?
While pin-compatible SOT-6 regulators may appear interchangeable, differences in enable logic thresholds, soft-start timing, and transient response can affect system behavior. For example, a replacement with a higher quiescent current may impact battery life in portable applications. Always validate timing, stability, and load regulation under actual operating conditions before full migration.
How does the MM3894A02YRE behave during fast load transients, such as those seen in microcontroller sleep-to-active mode transitions?
The MM3894A02YRE exhibits moderate transient response due to its internal compensation design. During fast load steps (e.g., >100mA/µs), output voltage may overshoot or undershoot beyond acceptable limits for sensitive digital loads. Adding a low-ESR ceramic capacitor close to the output pin helps, but for stringent transient requirements, consider a regulator with active transient enhancement.
Is the MM3894A02YRE appropriate for automotive applications requiring AEC-Q100 qualification?
The MM3894A02YRE is not AEC-Q100 qualified and lacks documentation for automotive reliability testing. Its use in under-hood or safety-critical automotive systems is not advised. For automotive designs, select a regulator with explicit AEC-Q100 Grade 1 or higher certification and validated lifetime data under temperature cycling and humidity bias.
What PCB layout practices are critical to ensure stability of the MM3894A02YRE in a densely populated board?
To maintain stability, place the input and output capacitors within 3mm of the MM3894A02YRE pins, using short, wide traces. Avoid routing high-frequency digital signals beneath the device, as coupling can induce noise on the feedback node. Ground return paths should be solid and connected to a low-impedance ground plane to prevent oscillation.
Can the MM3894A02YRE be used in a battery-powered IoT node with sleep currents below 1µA?
The MM3894A02YRE has a typical quiescent current in the tens of microamps, which dominates power consumption in ultra-low-power sleep modes. This makes it unsuitable for battery-operated IoT devices targeting multi-year lifespans. Instead, use a nanopower LDO with IQ < 1µA and enable shutdown mode during sleep states.

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MM3894A02YRE

SUMI

3141

In Stock: 36724

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