Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
MIC23250-S4YMT-TR
Microchip Technology
IC REG BUCK 1.2V/3.3V DL 10TMLF
1689 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1.2V, 3.3V 2 Output 400mA 10-UFDFN, 10-TMLF®
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (302 Ratings)
MIC23250-S4YMT-TR
Product Overview
1388944
DiGi Electronics Part Number
MIC23250-S4YMT-TR-DGManufacturer
Microchip Technology
MIC23250-S4YMT-TR
Description
IC REG BUCK 1.2V/3.3V DL 10TMLFInventory
1689 Pcs New Original In Stock
Buck Switching Regulator IC Positive Fixed 1.2V, 3.3V 2 Output 400mA 10-UFDFN, 10-TMLF®
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
MIC23250-S4YMT-TR Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - DC DC Switching Regulators
Packaging
Tape & Reel (TR)
Series
HyperLight Load®
Product Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Fixed
Number of Outputs
2
Voltage - Input (Min)
2.7V
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
1.2V, 3.3V
Voltage - Output (Max)
-
Current - Output
400mA
Frequency - Switching
4MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
10-UFDFN, 10-TMLF®
Supplier Device Package
10-TMLF® (2x2)
Base Product Number
MIC23250
Datasheet & Documents
HTML Datasheet
MIC23250-S4YMT-TR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
576-3561-2
576-3561-1
576-3561-6
1611-MIC23250-S4YMT-DKR
MIC23250S4YMTTR
MIC23250-S4YMT TR
1611-MIC23250-S4YMT-CT
1611-MIC23250-S4YMT-DKR-DG
1611-MIC23250-S4YMT-DKRINACTIVE
Standard Package
5,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
좋은 품질과 경쟁력 있는 가격 덕분에 꾸준히 구매하고 있어요.
de desembre 02, 2025
I am consistently impressed with the premium quality of DiGi Electronics' offerings.
de desembre 02, 2025
The team at DiGi Electronics is incredibly knowledgeable and helpful. Great experience every time.
de desembre 02, 2025
DiGi Electronics' logistics team is proactive and responsive to urgent requests.
de desembre 02, 2025
The process to contact support is straightforward, with clearly labeled buttons and options.
de desembre 02, 2025
The fine quality craftsmanship is apparent in every product.
de desembre 02, 2025
I will continue to purchase from DiGi Electronics knowing I am supported well.
de desembre 02, 2025
Their products deliver excellent performance without breaking the bank.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
When designing in the MIC23250-S4YMT-TR for a battery-powered IoT sensor, what are the key trade-offs between its 4MHz switching frequency and inductor size versus efficiency at light loads?
The MIC23250-S4YMT-TR's 4MHz switching frequency enables the use of ultra-small inductors (e.g., 0603/0402 size), reducing PCB footprint—ideal for compact IoT designs. However, higher frequency increases switching losses, reducing efficiency at light loads. To mitigate this, leverage the HyperLight Load® technology, which auto-enters burst mode under light loads (e.g., <50mA) to maintain >80% efficiency. For battery life optimization, pair with low-DCR, high-SRF inductors (e.g., Taiyo Yuden LQM2HPN1R5MCBL) and X7R/X5R 10μF input/output capacitors in 0402 case to minimize leakage and size. Avoid ceramic caps with DC bias derating issues to prevent output instability.
Can the MIC23250-S4YMT-TR reliably replace the TPS62260DBVR in a dual-rail 1.2V/3.3V FPGA core/io design, and what layout adjustments are needed?
Yes, the MIC23250-S4YMT-TR can replace the TPS62260DBVR for dual-rail FPGA supplies, but verify total load current: the MIC23250-S4YMT-TR provides 400mA per rail (800mA combined), while the TPS62260 delivers 500mA max. Ensure both 1.2V and 3.3V rails stay within 400mA. The 4MHz switching allows smaller filters but demands tighter layout: keep VIN, PGND, and SW nodes <2mm long using 10-TMLF® QFN thermal pad grounding. Route feedback traces away from noise sources. Unlike the TPS62260, the MIC23250-S4YMT-TR integrates both regulators, simplifying BOM but requiring balanced thermal dissipation. Use thermal vias under the pad to improve reliability above 85°C ambient.
How does the MIC23250-S4YMT-TR handle input voltage transients in automotive-grade systems with unstable 5V rails?
While the MIC23250-S4YMT-TR is not AEC-Q100 qualified, it operates up to 5.5V input—marginally safe for 5V nominal rails with transient spikes. However, unregulated automotive domains (e.g., accessory circuits) may exceed 6V during load dump, risking damage. Do not use MIC23250-S4YMT-TR directly on raw automotive 5V lines. Instead, pre-regulate with a transil diode (e.g., SMAJ5.0A) or a TVS-protected LDO (e.g., TPS7A4501). Monitor TJ via thermal pads; sustained >105°C junction temp in engine bays may reduce MTBF. For true automotive applications, consider pin-to-pin AEC-Q100 alternatives like the MAX77540, not the MIC23250-S4YMT-TR.
What reliability risks arise when using the MIC23250-S4YMT-TR in high-humidity environments without conformal coating?
The MIC23250-S4YMT-TR has MSL1 (unlimited floor life) and is moisture-resistant, but its 10-TMLF® package exposes the die attach pad, posing corrosion risk in >85% RH environments with ionic contamination (e.g., industrial sensors). Condensation can lead to leakage currents between SW and feedback traces, potentially triggering false UVLO or oscillation. Mitigate by applying acrylic or silicone conformal coating, covering top and sides but avoiding thermal pad obstruction. Include guard rings around feedback dividers, and avoid flux residues—clean with IPA post-soldering. For long-term reliability in harsh environments, design for 20% derating on current and voltage limits.
In a point-of-load design replacing discrete buck converters with the MIC23250-S4YMT-TR, how should I manage EMI at 4MHz to meet FCC Class B?
The 4MHz switching of the MIC23250-S4YMT-TR pushes noise into the VHF band, increasing radiated EMI risk. To meet FCC Class B, minimize high-dI/dt loop area: place 10μF X5R 0402 input caps directly between VIN and PGND pins with short, wide traces. Add a common-mode choke (e.g., Murata BL01HP4M0T5D) on the input if noise peaks appear at 4MHz harmonics. Use a 2.2μH shielded inductor (e.g., Bourns SRP3218A-2R2) to reduce magnetic radiation. Route output traces away from sensitive analog lines. If EMI still exceeds limits, reduce switching peak by lowering inductor value slightly (e.g., 1.5μH), though this increases ripple—verify load regulation remains within 3%.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MIC23250-S4YMT-TR CAD Models
Microchip Technology MIC23250-S4YMT-TR PCB symbols & footprints
productDetail
