FSQ0370RLA AC-DC Power Conversion by ON Semiconductor

700V Integrated Power Switch with 100kHz frequency and adjustable current limit for 19W offline flyback converters

Status: Active
Series: -
RoHS: Compliant
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The FSQ0370 consists of an integrated Current Mode Pulse Width Modulator (PWM) and an avalanche rugged 700V SenseFET. It is specifically designed for high-performance offline Switched Mode Power Supplies (SMPS) with minimal external components. The integrated PWM controller features include: a fixed-frequency generating oscillator, Under-Voltage Lockout (UVLO) protection, Leading-Edge Blanking (LEB), an optimized gate turn-on / turn-off driver, Thermal Shutdown (TSD) protection, and temperature-compensated precision current sources for loop compensation and fault protection circuitry.Compared to a discrete MOSFET and controller or RCC switching converter solution, the FSQ0370 reduces total component count, design size, and weight while increasing efficiency, productivity, and system reliability. These devices provide a basic platform that is well suited for the design of cost-effective flyback converters, such as in PC auxiliary power supplies.

Prices starting from US$0.54


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Features

Internal Avalanche Rugged 700V SenseFET
Consumes Only 0.8W at 230VAC and 0.5W Load with Burst-Mode Operation
Precision Fixed Operating Frequency: 100kHz
Internal Startup Circuit and Built-in Soft-Start
Pulse-by-Pulse Current Limiting, Auto-Restart Mode
Over-Voltage Protection (OVP), Overload Protection (OLP), Internal Thermal Shutdown Function (TSD)
Under-Voltage Lockout (UVLO)
Low Operating Current: 3mA
Adjustable Peak Current Limit
Applications
Desktop PC
PDP TV
End Products
LCD TV

Specifications

Description FSQ0370RLA
Compliance Pb-free Halide free
Control Mode Current Mode
fsw Typ (kHz) 100
RDS(ON) Typ (Ω) 4
V(BR)DSS Max (V) 700
IPeak (mA) 1100
HV Start-up Min (V) Yes
UVLO Yes
Short Circuit Protection Yes
Latch No
Package Type PDIP-8 GW

Alternative Descriptions

SWITCH, PWM, FET, 27W, 8SOP | Farnell
Ctrl+Fet Power Switcher/Reel |Onsemi FSQ0370RLA | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a FSQ0370RLA?

Additional datasheets, footprints and schematics for FSQ0370RLA are listed on our Part Details page. You can also find images and similar parts to FSQ0370RLA on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for FSQ0370RLA on our Product Comparison page. Access via the 'View Pricing & Stock' button to view FSQ0370RLA price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does FSQ0370RLA fall under?

The FSQ0370RLA is listed under Power Management > AC-DC Power Conversion > Offline Regulators.

Can I view similar or alternative parts?

You can view similar parts to FSQ0370RLA when available in the Offline Regulators range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the FSQ0370RLA you can contact the distributor directly for product support, shipping queries etc.

Is the FSQ0370RLA RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for FSQ0370RLA have stock available?

Authorised distributors including Farnell and Newark Electronics have stock available or on a lead time for FSQ0370RLA.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for FSQ0370RLA often in real-time on the comparison pages.

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