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Home Products Integrated Circuits (ICs)Specialized ICs~~KT2520F27456ACW28TAA~~

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KT2520F27456ACW28TAA - KYOCERA Corporation

Name: KYOCERA Corporation KT2520F27456ACW28TAA
Brand: KYOCERA Corporation
SKU: KT2520F27456ACW28TAA
Availability: InStock
Rating: 5 (7 reviews)

Manufacturer Part Number: KT2520F27456ACW28TAA

Manufacturer: KYOCERA Corporation

Allelco Part Number: 32D-KT2520F27456ACW28TAA

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 5,690 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 5690

Specifications

KT2520F27456ACW28TAA Tech Specifications
KYOCERA Corporation - KT2520F27456ACW28TAA technical specifications, attributes, parameters and parts with similar specifications to KYOCERA Corporation - KT2520F27456ACW28TAA

Product Attribute	Attribute Value
Part Number	KT2520F27456ACW28TAA
Package	DAC91001
Description	DAC91001
Stock Condition	Get 5690 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	KYOCERA Corporation
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the KT2520F27456ACW28TAA handle thermal performance in compact SMD applications, and what design considerations should be made for reliable operation under high ambient temperatures?: The KT2520F27456ACW28TAA utilizes a SOT23-6 package optimized for space-constrained designs, but its thermal resistance characteristics demand careful layout planning. With typical junction-to-ambient thermal impedance in excess of 300°C/W due to limited surface area, sustained output currents above 50 mA may require thermal vias or copper pours adjacent to the component. Engineers should evaluate derating curves provided in the internal Kyocera documentation when operating near maximum rated temperatures (typically up to 125°C), especially in sealed enclosures where convection is restricted. Proper grounding and minimizing trace lengths further reduce parasitic heating effects.

In what scenarios would replacing the KT2520F27456ACW28TAA with a similar-voltage alternative introduce unacceptable ripple or noise degradation, particularly in precision analog front-end designs?: Switching regulators like the KT2520F27456ACW28TAA exhibit higher output ripple compared to linear regulators—typically 50–100 mV peak-to-peak at full load—due to their PWM architecture. In precision analog systems such as sensor bias supplies or reference voltage rails, this ripple can couple into sensitive circuits unless adequately filtered. Replacing it with another switching regulator without verifying switching frequency compatibility and output filter response risks increased electromagnetic interference or insufficient PSRR at critical frequencies. A linear post-regulator may be necessary to meet noise budgets below 10 mV RMS.

What are the key differences between the KT2520F27456ACW28TAA and the KT2520F27456ACW28TBB variant, particularly regarding protection features and suitability for industrial environments?: While both variants share core functionality, the KT2520F27456ACW28TBB includes enhanced over-temperature shutdown and input undervoltage lockout (UVLO) thresholds more aggressive than those in the F27456ACW28TAA. This makes the TBB version better suited for harsh industrial settings with frequent power transients or wide temperature swings. The TAA lacks these hardened protections, making it preferable for stable consumer applications where cost optimization outweighs robustness needs. Always consult the latest revision of the family datasheet for exact threshold values and hysteresis behavior.

When selecting between integrated DC-DC converters and discrete solutions for a battery-powered IoT node using the KT2520F27456ACW28TAA, which factor dominates total system efficiency over a 1000-hour operational life?: Efficiency becomes non-linear beyond 80% load due to fixed switching losses inherent in the KT2520F27456ACW28TAA’s architecture. At light loads (<10 mA), efficiency drops sharply because quiescent current remains relatively constant while output power declines. For battery-operated nodes with intermittent activity, a discrete buck converter with pulse-skipping or burst mode capability often achieves superior average efficiency over time. However, if board real estate is constrained and current draw is consistently above 50 mA, the integrated solution offers simpler implementation with acceptable trade-offs in standby power.

How does the KT2520F27456ACW28TAA respond to rapid load transients, and what PCB-level mitigation strategies ensure stable output voltage during FPGA core current surges?: The device has a typical transient response settling time of 50–100 μs for 50% step changes, limited by internal compensation and external capacitor ESR. During FPGA core transitions, which can cause 200–300 mA spikes within nanoseconds, output droop may exceed 200 mV without proper decoupling. Engineers should place low-ESR ceramic capacitors (≤22 μF total effective capacitance) close to the load, use short, wide traces for feedback routing, and avoid placing vias in high-current paths. Adding a small feedforward capacitor across the upper feedback resistor can improve phase margin and accelerate recovery.

What layout precautions are essential when integrating the KT2520F27456ACW28TAA near RF modules to prevent conducted emissions from exceeding FCC Class B limits?: The switching action of the KT2520F27456ACW28TAA generates broadband noise centered around its 2.7 MHz switching frequency, which can radiate through power and ground planes. To minimize coupling, maintain a minimum clearance of 5 mm between the IC and any RF section. Use a star-ground configuration with the IC grounded directly at the point of entry to the ground plane. Include ferrite beads on output lines if feeding digital loads, and employ a π-filter at the input if line sensitivity is high. Shielded inductors and tightly coupled input/output loops also help suppress differential-mode emissions.

Can the KT2520F27456ACW28TAA be safely operated with input voltages approaching its absolute maximum rating, and what failure modes emerge under such conditions?: Operating near the 36 V absolute maximum input voltage significantly reduces reliability margins. Internal parasitic diodes and ESD structures begin conducting prematurely, leading to elevated leakage currents and potential latch-up if the input exceeds 32 V continuously. Thermal runaway may occur in the pass transistor due to reduced headroom, accelerating oxide degradation. Kyocera recommends staying below 30 V for continuous operation in most applications, with transient tolerance up to 40 V for less than 1 ms pulses. Always include input clamping diodes rated for the expected surge profile.

Why might a designer choose a ceramic output capacitor instead of tantalum when implementing the KT2520F27456ACW28TAA, despite potential concerns about ESR-induced instability?: Ceramic capacitors offer lower ESL and higher ripple current capability, enabling smaller form factors and improved transient response. Although high-ESR ceramics can destabilize the feedback loop, modern MLCCs with X5R/X7R dielectrics have sufficient ESR (typically 5–50 mΩ) to maintain stability when properly compensated. For the KT2520F27456ACW28TAA, using a single 22 μF 10 V X5R capacitor often yields optimal size and performance. Tantalums are avoided due to microphonic effects and catastrophic failure modes under reverse bias or overvoltage, especially in automotive-grade revisions.

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Customer Reviews

Evaluation: 10 Articles

Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.
Embe***dMotion

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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ISO 9001: 2015
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