SG6848TZ

PDSO6 Switching Regulator/Controller with Current-mode operation and BICMOS implementation, boasting a maximum switching frequency of 75kHz
7,616 有效庫存

SG6848TZ

有效庫存7,616

PDSO6 Switching Regulator/Controller with Current-mode operation and BICMOS implementation, boasting a maximum switching frequency of 75kHz

  • 製造商零件號 # : SG6848TZ

  • 包裝/封裝: SOT23-6

  • 製造商: Onsemi

  • 產品分類 : AC DC Converters, Offline Switches

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SG6848TZ 數據表
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詳細說明

This highly-integrated PWM controller provides several special enhancements designed to meet the low standby-power needs of low-power SMPS. To minimize standby power consumption, the proprietary green-mode function provides off-time modulation to linearly decrease the switching frequency under light-load conditions. This green-mode function enables the power supply to easily meet even the strictest power conservation requirements.FEATURES Green-Mode PWM Supports the “Blue Angel” Standard Low Start-up Current (5uA) Low Operating Current (2mA) 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 Gate Output Voltage Clamped at 15V Low Cost Few External Components Required Small SOT-26 PackageAPPLICATIONS General-purpose switching mode power supplies and flyback power converters, such asBattery chargers for cellular phones, cordless phones, PDAs, digital cameras, and power tools Power adapters for ink jet printers, video game consoles, and portable audio players Open-frame SMPS for TV/DVD standby and other auxiliary supplies, home appliances, and consumer electronics Replacements for linear transformers and RCC SMPS PC 5V standby power.

主要特徵

  • Green-Mode PWM
  • Supports the “Blue Angel” Standard
  • Low Start-up Current (5uA)
  • Low Operating Current (2mA)
  • 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
  • Gate Output Voltage Clamped at 15V
  • Low Cost
  • Few External Components Required
  • Small SOT-26 Package

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。

Product Category ! AC/DC Converters Series SG6848
Brand onsemi / Fairchild Product Type ! AC/DC Converters
Subcategory PMIC - Power Management ICs Type Current Mode

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 SG6848TZ PDF 下載

常見問題解答

What is SG6848TZ?

The SG6848TZ is a pulse-width modulation (PWM) controller designed by Microsemi Corporation (Microchip). It is used for controlling power supply systems and is suitable for applications such as DC-DC converters, LED drivers, and battery charging systems.

How Does SG6848TZ Work?

The SG6848TZ works by generating PWM signals to control the switching of power transistors in a power supply system. It regulates the output voltage and current by varying the width of the pulses, thereby controlling the power delivered to the load. The controller is designed to provide efficient power conversion and regulation.

How Many Pins does SG6848TZ have and What are the Functions of the Pinout Configuration?

The SG6848TZ is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • GND: Ground pin.
  • COMP: Compensation pin for control loop stability.
  • FB: Feedback pin for regulating the output voltage.
  • RT/CT: Pin for setting the oscillator frequency.
  • SS/TR: Soft start/tracking control pin.
  • SYNC: Synchronization input pin for external frequency synchronization.
  • DRVH/DRVL: Gate driver output pins for driving the power transistors.

What are the Pros and Cons of SG6848TZ?

Pros:

  • Efficient Power Control: Provides precise PWM control for efficient power conversion.
  • Wide Application Range: Suitable for a variety of power supply and LED driver applications.
  • Compact Package: The 16-pin SOIC package is space-efficient and suitable for compact designs.

Cons:

  • External Components: May require additional external components for optimal performance in certain applications.
  • Complex Control: Requires careful consideration of control loop stability and feedback for reliable operation.
  • Thermal Considerations: High-power applications may require thermal management for reliable performance.

Are There Any Equivalents/Alternatives to SG6848TZ for Recommendation?

Some alternatives to the SG6848TZ include the SG3524 from Microchip Technology and the UC3842 from Texas Instruments.

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