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FSQ0765R
Switching Controller, Current-mode, 3.92A, 75.8kHz Switching Freq-Max, PZFM6, LEAD FREE, TO-220F, 6 PIN
FSQ0765R
Switching Controller, Current-mode, 3.92A, 75.8kHz Switching Freq-Max, PZFM6, LEAD FREE, TO-220F, 6 PIN
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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FSQ0765R DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
A Quasi-Resonant Converter (QRC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency. The FSQ-series is an integrated Pulse-Width Modulation (PWM) controller and SenseFET specifically designed for quasi-resonant operation and Alternating Valley Switching (AVS). The PWM controller includes an integrated fixed-frequency oscillator, Under-Voltage Lockout (UVLO), Leading Edge Blanking (LEB), optimized gate driver, internal soft start, temperature-compensated precise current sources for a loop compensation, and self-protection circuitry. Compared with a discrete MOSFET and PWM controller solution, the FSQ-series can reduce total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform that is well suited for cost-effective designs of quasi-resonant switching flyback converters.Features■ Optimized for Quasi-Resonant Converter (QRC)■ Low EMI through Variable Frequency Control and AVS (Alternating Valley Switching)■ High-Efficiency through Minimum Voltage Switching■ Narrow Frequency Variation Range over Wide Load and Input Voltage Variation■ Advanced Burst-Mode Operation for Low Standby Power Consumption■ Simple Scheme for Sync Voltage Detection■ Pulse-by-Pulse Current Limit■ Various Protection functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis, Output Short Protection (OSP)■ Under-Voltage Lockout (UVLO) with Hysteresis■ Internal Start-up Circuit■ Internal High-Voltage Sense FET (650V)■ Built-in Soft-Start (15ms)Applications■ Power Supply for LCD TV and Monitor, VCR, SVR, STB, and DVD & DVD Recorder■ Adapter
Key Features
- Optimized for Quasi-Resonant Converter (QRC)
- Low EMI through Variable Frequency Control and AVS (Alternating Valley Switching)
- High-Efficiency through Minimum Voltage Switching
- Narrow Frequency Variation Range over Wide Load and Input Voltage Variation
- Advanced Burst-Mode Operation for Low Standby Power Consumption
- Simple Scheme for Sync Voltage Detection
- Pulse-by-Pulse Current Limit
- Various Protection functions: Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis, Output Short Protection (OSP)
- Under-Voltage Lockout (UVLO) with Hysteresis
- Internal Start-up Circuit
- Internal High-Voltage Sense FET (650V)
- Built-in Soft-Start (17.5ms)
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Obsolete |
| Part Package Code | TO-220F | Pin Count ! | 3 |
| Reach Compliance Code | compliant | ECCN Code | EAR99 |
| HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Min | 9 V | Input Voltage-Nom | 15 V |
| JESD-30 Code | R-PZFM-T6 | Number of Functions | 1 |
| Number of Terminals | 6 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -25 °C | Output Current-Max | 3.92 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | ZIP |
| Package Equivalence Code | ZIP6,.12,.11,85/68/50TB | Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT | Qualification Status ! | Not Qualified |
| Surface Mount ! | NO | Switcher Configuration | SINGLE |
| Switching Frequency-Max | 75.8 kHz | Temperature Grade ! | OTHER |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 1.27 mm |
| Terminal Position | ZIG-ZAG |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is FSQ0765R?
The FSQ0765R is a Green Mode Fairchild Power Switch (FPS) that integrates a Pulse Width Modulator (PWM) controller and a SenseFET, optimized for high-performance offline flyback switching power supplies.
How Does FSQ0765R Work?
The FSQ0765R operates by controlling the power switch in a flyback converter topology, providing efficient power conversion for various applications. It incorporates green mode technology to improve energy efficiency and reduce standby power consumption. The integrated PWM controller regulates the switching frequency based on load requirements for optimal performance.
How Many Pins does FSQ0765R have and What are the Functions of the Pinout Configuration?
The FSQ0765R is housed in a 8-pin DIP (Dual Inline Package). The pinout configuration includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- GND: Ground pin.
- Vcc: Power supply pin for internal circuitry.
- FB: Feedback pin for controlling output voltage regulation.
- CS: Current sense pin for monitoring current flow.
- ON/OFF: Pin for controlling the on/off state of the device.
- Dim: Dimming control pin for adjusting brightness in LED driver applications.
What are the Pros and Cons of FSQ0765R?
Pros:
- Integrated Solution: Combines a power switch and PWM controller for simplified circuit design.
- Green Mode Technology: Enhances energy efficiency and reduces power consumption in standby mode.
- Compact Package: The 8-pin DIP package offers space-saving benefits for compact designs.
- Output Voltage Regulation: The FB pin allows for precise control of the output voltage.
- Wide Application Range: Suitable for various offline flyback power supply applications.
Cons:
- Complexity: Requires understanding of flyback converter operation for proper implementation.
- External Components: May need additional components for specific application requirements.
- Thermal Considerations: Heat dissipation and thermal management may need attention in high-power applications.
Are There Any Equivalents/Alternatives to FSQ0765R for Recommendation?
- An equivalent to the FSQ0765R is the ICE3BR0665JF from Infineon Technologies.
- Alternatives to the FSQ0765R include the L6562A from STMicroelectronics and the TOP256EN from Power Integrations.
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