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Home > Products > Integrated Circuits (ICs) > Specialized ICs > MM3754AJ2RRE
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MM3754AJ2RRE

Manufacturer Part Number:
MM3754AJ2RRE
Manufacturer / Brand
MITSUMI
Part of Description:
725
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 6074 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MM3754AJ2RRE
Manufacturer / Brand MITSUMI
Stock Quantity 6074 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description 725
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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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

What are the key power supply and I/O voltage constraints when integrating the MM3754AJ2RRE into a low-power industrial sensor design?
The MM3754AJ2RRE operates with an input voltage range of 2.7V to 5.5V, making it suitable for battery-powered or 3.3V/5V system rails. Its I/O pins are not 5V-tolerant when the device is powered at 3.3V, so level-shifting or series current-limiting resistors are required if interfacing with 5V logic. The internal LDO output is fixed at 1.8V with a maximum load current of 150mA, which must be considered when powering downstream analog front-ends or MCUs with high quiescent current.
Can the MM3754AJ2RRE be used in a 12V automotive environment without additional protection circuitry?
No, the MM3754AJ2RRE is not rated for direct connection to 12V automotive rails. Its maximum input voltage is 5.5V, and sustained exposure to higher voltages will damage the device. A pre-regulator such as a buck converter or a 5V LDO with transient voltage suppression (TVS) diodes is required to ensure reliable operation under load-dump or surge conditions typical in automotive applications.
What are the thermal considerations when using the MM3754AJ2RRE in a densely populated DFN package on a 4-layer PCB?
The MM3754AJ2RRE in its DFN package relies on the PCB copper pour for heat dissipation. In high ambient temperatures or when delivering near-max load current, inadequate thermal vias under the exposed pad can lead to thermal shutdown or reduced lifetime. A minimum of four 0.3mm thermal vias connected to an internal ground plane is recommended to maintain junction temperature below 125°C under continuous operation.
Is the MM3754AJ2RRE a suitable replacement for the TPS79333 in a legacy 3.3V power management design?
The MM3754AJ2RRE is not a direct drop-in replacement for the TPS79333 due to differences in enable logic, quiescent current, and output voltage. While both are LDOs in small packages, the MM3754AJ2RRE provides a fixed 1.8V output, whereas the TPS79333 offers adjustable or fixed 3.3V options. Additionally, the MM3754AJ2RRE has a lower dropout voltage (120mV typical at 100mA), but its enable threshold is not compatible with all TPS79333 control schemes. Re-evaluation of the power tree and enable circuitry is necessary.
How does the MM3754AJ2RRE behave under output short-circuit conditions, and what protection mechanisms are active?
The MM3754AJ2RRE includes built-in overcurrent and thermal shutdown protection. In the event of a sustained output short, the device limits the output current to approximately 250mA and triggers thermal shutdown if the junction temperature exceeds 150°C. Once cooled, it resumes operation automatically. However, prolonged short-circuit conditions may degrade long-term reliability, so external fuse or current-limiting circuitry is advised in mission-critical systems.
What design factors should be considered when migrating from a through-hole SOT23-6 LDO to the MM3754AJ2RRE in DFN package?
Migrating to the MM3754AJ2RRE in DFN requires attention to PCB layout, solder paste stencil design, and thermal management. The DFN package has an exposed thermal pad that must be soldered to a grounded copper area with adequate vias. Reflow profiling must ensure proper wetting, as poor solder joints can lead to intermittent connections or thermal resistance. Additionally, the smaller footprint reduces parasitic inductance, improving transient response, but demands tighter decoupling capacitor placement (within 2mm of the input/output pins).
Can the MM3754AJ2RRE support dynamic voltage scaling in a microcontroller-based system?
No, the MM3754AJ2RRE provides a fixed 1.8V output and lacks a feedback or adjustable pin for dynamic voltage control. It is not suitable for applications requiring dynamic voltage scaling (DVS) to optimize power consumption in processors. For such use cases, a buck converter with enable/disable and adjustable output (e.g., via I²C) would be more appropriate, though at the cost of increased solution size and complexity.
What are the long-term reliability implications of operating the MM3754AJ2RRE at maximum load in a 70°C ambient environment?
Operating the MM3754AJ2RRE at full 150mA load in a 70°C ambient environment brings the junction temperature close to the 125°C limit, especially if thermal vias are insufficient. Prolonged operation near thermal limits accelerates electromigration and reduces mean time between failures (MTBF). Derating the load current to 100mA or improving airflow/thermal sinking is recommended for industrial applications with 10+ year lifespans.
Are there known compatibility issues when using the MM3754AJ2RRE with ceramic output capacitors below 1µF?
The MM3754AJ2RRE requires a minimum output capacitance of 1µF with an ESR between 0.1Ω and 5Ω for stability. Using ceramic capacitors below 1µF or with ultra-low ESR (e.g., <0.05Ω) may cause output oscillation due to insufficient phase margin. A 1µF to 4.7µF X5R or X7R ceramic capacitor with a small series resistor (0.5Ω–1Ω) can be used if stability issues arise, though this slightly increases dropout voltage.
How does the enable pin behavior of the MM3754AJ2RRE affect power sequencing in multi-rail systems?
The enable pin of the MM3754AJ2RRE has a typical threshold of 1.2V with hysteresis, allowing it to be driven directly by 1.8V or 3.3V logic. However, it lacks a built-in delay or soft-start control, so power-up sequencing must be managed externally if dependent rails require staggered activation. Pull-down resistors should be used to prevent unintended turn-on during system startup, especially in noisy environments.

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MM3754AJ2RRE

MITSUMI

725

In Stock: 6074

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