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Home > Products > Integrated Circuits (ICs) > Specialized ICs > SP3058CF-L
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SP3058CF-L

Manufacturer Part Number:
SP3058CF-L
Manufacturer / Brand
SIPEX
Part of Description:
1328
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 10154 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP3058CF-L
Manufacturer / Brand SIPEX
Stock Quantity 10154 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description 1328
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)
Beneficiary Bank SWIFT : COMMHKHK
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 SP3058CF-L be used in a 3.3V system without modifying the reference voltage configuration?
The SP3058CF-L is designed primarily for 5V systems and uses internal bandgap references calibrated for that supply level. Operating it at 3.3V without external adjustments may result in inaccurate output voltages, especially if the feedback network assumes a 5V logic threshold. For reliable performance in a 3.3V environment, external resistor dividers or a precision reference must be implemented to recalibrate the regulation thresholds.
What is the impact of switching frequency on EMI and component selection when using the SP3058CF-L in a compact industrial power supply design?
The SP3058CF-L operates at a fixed internal switching frequency, which influences electromagnetic interference (EMI) characteristics and inductor selection. A higher frequency improves transient response and reduces required inductance but can increase switching losses and EMI noise. Engineers must choose ferrite-core inductors with low DC resistance and verify layout parasitics to maintain efficiency and meet CISPR 22/EN 55022 Class B limits in space-constrained applications.
How does thermal derating affect the maximum output current of the SP3058CF-L when used in an enclosed industrial enclosure with poor ventilation?
In high ambient temperatures or confined spaces, the SP3058CF-L experiences increased junction temperature due to reduced heat dissipation. The device typically supports up to 1.5A at room temperature, but continuous operation above 70°C requires derating—typically 0.05A per degree Celsius rise. Without adequate airflow or heatsinking, sustained loads near full capacity may trigger thermal shutdown or reduce long-term reliability.
Is the SP3058CF-L suitable as a direct replacement for the LM2576 in a legacy automotive lighting controller design?
While both are step-down regulators, the SP3058CF-L has different pinout, package (QFP vs. TO-220), and internal compensation, making a direct mechanical and electrical swap problematic. Additionally, the SP3058CF-L lacks built-in overcurrent protection features present in some variants of the LM2576. Engineers should reevaluate feedback networks, compensation components, and layout to ensure stability and compliance with AEC-Q100 requirements for automotive use.
What precautions are necessary when configuring soft-start functionality with the SP3058CF-L in a multi-output power supply?
The SP3058CF-L incorporates internal soft-start control, but its timing interacts with external input capacitance and load transients. In multi-rail designs, improper sequencing or shared input filtering can cause inrush current spikes or delayed turn-on. Designers should verify that bulk capacitors on the input rail do not exceed recommended values and consider adding RC networks at the enable pin if precise startup timing is required across multiple stages.
Can the SP3058CF-L operate reliably in environments with frequent input voltage transients such as those found in heavy machinery or solar inverter systems?
The SP3058CF-L includes basic input undervoltage lockout (UVLO) and transient tolerance, but it is not rated for sustained exposure to inductive kickback or high-energy surges common in industrial settings. Without external TVS diodes or snubber circuits, repeated transients above 35V may compromise internal ESD structures. Implementing a robust front-end protection stage is strongly advised for harsh condition applications.
How should the SP3058CF-L be handled during PCB assembly to avoid damage to its QFP packaging and internal circuitry?
As a fine-pitch QFP device, the SP3058CF-L is sensitive to electrostatic discharge (ESD) and mechanical stress. Handling should comply with ANSI/ESD S20.20 standards, using grounded wrist straps and anti-static packaging. During reflow soldering, peak temperature must remain below 245°C for less than 10 seconds to prevent bond wire degradation or die cracking. Hand soldering or rework requires controlled tools and minimal thermal mass to avoid delamination.
What are the limitations of using the SP3058CF-L in a battery-powered device requiring ultra-low quiescent current operation?
The SP3058CF-L consumes typical quiescent current in the tens of microamperes, which may be acceptable for many systems but becomes significant in long-life battery applications like remote sensors. Its internal oscillator and control loop draw steady power even at light loads, reducing overall efficiency compared to modern switchers with burst-mode or skip-cycle operation. Alternative devices with µA-level IQ should be considered for energy-sensitive deployments.
Does the SP3058CF-L support discontinuous conduction mode (DCM) operation, and how does this affect inductor saturation risk?
Yes, the SP3058CF-L inherently operates in DCM under light load conditions, which improves efficiency at partial loads. However, DCM increases RMS current through the inductor and output capacitor, raising thermal stress. Designers must select inductors with sufficient saturation current margin and validate core material (e.g., powdered iron vs. ferrite) to prevent premature saturation during startup or dynamic load steps.
When upgrading from an older regulator to the SP3058CF-L, what layout considerations are critical to ensure stability and minimize radiated noise?
The SP3058CF-L’s feedback loop is sensitive to parasitic inductance and capacitance in the FB node trace. To maintain phase margin, the FB divider resistors should be placed close to the IC, and traces routed away from switching nodes. Ground plane continuity under the IC is essential, and input/output capacitors must have short, wide connections to minimize loop area. Poor layout can lead to oscillation or excessive ripple even with correct component values.

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SP3058CF-L

SIPEX

1328

In Stock: 10154

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