SG6858TZ

The 6-pin SOT-26 package of SG6858TZ houses a PWM Controller, often referred to as SuperSOT
7,655 有效庫存

SG6858TZ

有效庫存7,655

The 6-pin SOT-26 package of SG6858TZ houses a PWM Controller, often referred to as SuperSOT

  • 製造商零件號 # : SG6858TZ

  • 包裝/封裝: SOT23-6

  • 零件狀態 : OBSOLETE

  • 製造商: Onsemi

  • 產品分類 : AC DC Converters, Offline Switches

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SG6858TZ 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 (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 PackagesAPPLICATIONS General-purpose switching mode power supplies and flyback power converters, such as ■ Battery 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

  • Precision current limiting and fault protection
  • Remote sense voltage monitoring for precise control
  • High-density packaging with reduced EMI radiation
  • Wide operating temperature range for reliable performance

應用

  • Unmatched performance and quality
  • Enhances efficiency and productivity
  • Trusted by professionals worldwide

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 Mounting Style SMD/SMT
Package / Case SSOT-6 Output Voltage 1.5 V to 8 V
Duty Cycle - Max 80 % Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Series SG6858
Brand onsemi / Fairchild Number of Outputs 1 Output
Product Voltage Controllers Product Type ! AC/DC Converters
Factory Pack Quantity 3000 Subcategory PMIC - Power Management ICs
Unit Weight 0.001058 oz

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 SG6858TZ PDF 下載

常見問題解答

What is SG6858TZ?

The SG6858TZ is a high-efficiency, low-noise, step-down switching voltage regulator manufactured by Sanken Electric. It is designed to provide stable and regulated power supply voltages in various electronic devices, such as consumer electronics, industrial equipment, and automotive systems.

How Does SG6858TZ Work?

The SG6858TZ operates as a step-down switching regulator, converting a higher input voltage to a lower output voltage with high efficiency. It employs pulse-width modulation (PWM) techniques to regulate the output voltage accurately. The regulator offers protection features such as overcurrent protection, thermal shutdown, and input/output under-voltage lockout for enhanced system reliability.

How Many Pins does SG6858TZ have and What are the Functions of the Pinout Configuration?

The SG6858TZ is typically housed in a TO-220 package with 5 pins. The pinout configuration includes:

  • VIN: Input voltage pin.
  • GND: Ground pin.
  • VOUT: Output voltage pin.
  • DC: Duty cycle control pin.
  • ON/OFF: On/Off control pin.

What are the Pros and Cons of SG6858TZ?

Pros:

  • High Efficiency: Provides high-efficiency power conversion, reducing power loss and heat dissipation.
  • Low Noise: Generates low-output voltage noise, suitable for noise-sensitive applications.
  • Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for improved system reliability.
  • Wide Input Voltage Range: Operates over a wide input voltage range, accommodating various power supply scenarios.
  • Compact Package: The TO-220 package offers heat dissipation capabilities and ease of mounting.

Cons:

  • External Components: May require external components for optimal performance and filtering in certain applications.
  • Cost: Higher cost compared to linear regulators due to advanced switching technology.
  • Complexity: Switching regulators may require careful layout and noise considerations for optimal performance.

Are There Any Equivalents/Alternatives to SG6858TZ for Recommendation?

  • The LM2596 from Texas Instruments is a popular alternative switching regulator with similar features.
  • Alternatives to the SG6858TZ include the TPS54331 from Texas Instruments and the LM2675 from National Semiconductor.

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