SG6858DZ

BICMOS Switching Controller in PDIP8 package, compliant with ROHS standards
6,847 有效庫存

SG6858DZ

有效庫存6,847

BICMOS Switching Controller in PDIP8 package, compliant with ROHS standards

  • 製造商零件號 # : SG6858DZ

  • 包裝/封裝: DIP-8

  • 製造商: FAIRCHILD

  • 產品分類 : AC DC Converters, Offline Switches

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SG6858DZ 數據表
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詳細說明

The compact SOP-8 package of the SG6858DZ makes it a breeze to integrate into a wide range of converter designs, offering convenience and ease of use for engineers and designers alike. With its cutting-edge features and high performance capabilities, this IC is truly a must-have for any project that requires precision and efficiency in power management

主要特徵

  • Green-Mode PWM
  • Supports the “Blue Angel” Standard
  • Low Start-up Current (9uA)
  • Low Operating Current (3mA)
  • Leading-Edge Blanking
  • Constant Output Power Limit
  • Universal Input
  • Built-in Synchronized Slope Compensation
  • Current Mode Operation
  • Cycle-by-cycle Current Limiting
  • Under Voltage Lockout (UVLO)
  • Programmable PWM Frequency with Frequency Hopping
  • VDD Over Voltage Protection (Auto Restart)
  • Gate Output Voltage Clamped at 17V
  • Low Cost
  • Few External Components Required
  • Small SOT-26 and Dip 8 Packages

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。

Pbfree Code Yes Rohs Code Yes
Part Life Cycle Code Transferred Part Package Code DIP
Pin Count ! 8 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code ! 8542.31.00.01
Analog IC - Other Type SWITCHING CONTROLLER Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION Input Voltage-Max 22 V
Input Voltage-Min 12.5 V Input Voltage-Nom 15 V
JESD-30 Code R-PDIP-T8 JESD-609 Code e3
Length 9.415 mm Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C Package Body Material PLASTIC/EPOXY
Package Code DIP Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR Package Style IN-LINE
Qualification Status ! Not Qualified Seated Height-Max 5.08 mm
Surface Mount ! NO Switcher Configuration SINGLE
Switching Frequency-Max 75 kHz Technology BICMOS
Temperature Grade ! AUTOMOTIVE Terminal Finish MATTE TIN
Terminal Form ! THROUGH-HOLE Terminal Pitch ! 2.54 mm
Terminal Position DUAL Width 7.62 mm

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 SG6858DZ PDF 下載

常見問題解答

What is SG6858DZ?

The SG6858DZ is a high-efficiency, constant frequency voltage mode PWM controller designed for use in flyback, buck-boost, and forward power supply applications. It is commonly used in various power management systems, including AC-DC adapters, LED lighting, and industrial electronics.

How Does SG6858DZ Work?

The SG6858DZ operates by regulating the output voltage of a power supply through a feedback loop that controls the duty cycle of the PWM signal. This ensures stable and efficient power conversion, allowing the device to meet the requirements of specific applications. The controller features protection functions such as overcurrent protection and overvoltage protection to enhance system reliability.

How Many Pins does SG6858DZ have and What are the Functions of the Pinout Configuration?

The SG6858DZ is housed in an 8-pin SOP (Small Outline Package) package. The pinout configuration includes:

  • VCC: Power supply pin for internal circuitry.
  • FB: Feedback pin for setting the output voltage.
  • COMP: Compensation pin for external slope compensation.
  • EN: Enable pin for turning the controller on/off.
  • CS: Current sense input pin for overcurrent protection.
  • DRV: Gate driver output pin for driving the power switch.
  • GND: Ground pin.

What are the Pros and Cons of SG6858DZ?

Pros:

  • High Efficiency: Efficient power conversion for energy-saving applications.
  • Wide Application Range: Suitable for various power supply topologies and systems.
  • Protection Features: Includes overcurrent and overvoltage protection for enhanced reliability.
  • Simple Design: Provides a straightforward solution for voltage mode control in power supplies.
  • Cost-Effective: Offers a cost-effective solution for power management applications.

Cons:

  • External Components: May require external components for certain applications, adding to the overall system cost.
  • Thermal Considerations: Thermal management may be required for high-power applications.
  • Noisy Operation: PWM controllers can introduce electrical noise, which needs to be considered in sensitive applications.

Are There Any Equivalents/Alternatives to SG6858DZ for Recommendation?

  • The UC3845B from Texas Instruments is a voltage mode PWM controller with similar functionality.
  • Alternatives to the SG6858DZ include the NCP1207 from ON Semiconductor and the FAN7601 from Fairchild Semiconductor.

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