FSQ0765R

Switching Controller, Current-mode, 3.92A, 75.8kHz Switching Freq-Max, PZFM6, LEAD FREE, TO-220F, 6 PIN
6,900 有效庫存

FSQ0765R

有效庫存6,900

Switching Controller, Current-mode, 3.92A, 75.8kHz Switching Freq-Max, PZFM6, LEAD FREE, TO-220F, 6 PIN

  • 製造商零件號 # : FSQ0765R

  • 包裝/封裝: TO-220

  • 製造商: FAIRCHILD

  • 產品分類 : AC DC Converters, Offline Switches

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FSQ0765R 數據表
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詳細說明

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

主要特徵

  • 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)

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

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

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 FSQ0765R PDF 下載

常見問題解答

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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