LNK304P

Plastic DIP-8 Package
3,730 有效庫存

LNK304P

有效庫存3,730

Plastic DIP-8 Package

  • 製造商零件號 # : LNK304P

  • 包裝/封裝: DIP-7

  • 製造商: Power Integrations

  • 產品分類 : AC DC Converters, Offline Switches

品質保證

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運輸與付款

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信用卡

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服務與包裝

服務與包裝

About After Sales Service

All Parts Extended Quality Guarantee

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關於包裝

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例子

捲帶式

捲帶式

剪膠帶

剪膠帶

管或託盤

管或託盤

LNK304P 數據表
no-price

目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

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詳細說明

The LNK304P IC is a cost-effective and energy-efficient solution for non-isolated power supplies, offering high efficiency and reliability for a range of applications including LED lighting, appliances, and consumer electronics. Its integration of power components, control functions, and protection features into a single chip simplifies design and reduces the need for external components. With a wide input voltage range and a maximum output power of 10 W, the LNK304P provides versatility for power supply design. Its proprietary control technique and protection features ensure the safety and reliability of the power supply, making it a compelling choice for designers looking for efficient and dependable solutions

主要特徵

  • Low power consumption
  • Integrated circuit for offline switch mode power supplies
  • Embedded protection functions
  • Adjustable output voltage
  • Frequency jittering for improved EMI performance
  • Operating frequency up to 100 kHz

應用

  • LED lighting applications
  • Adapters for cellular phones, PDAs, and digital cameras
  • Chargers for battery packs
  • External power supplies for notebook PCs and other peripherals
  • Industrial power systems
  • Offline buck converters
  • Low standby power quasiresonant flyback converters

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 No Rohs Code No
Part Life Cycle Code Obsolete Part Package Code DIP
Pin Count ! 8 Reach Compliance Code
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Additional Feature ! REQUIRES AN AC SUPPLY OF 85 TO 256V Analog IC - Other Type SWITCHING REGULATOR
Control Technique PULSE WIDTH MODULATION JESD-30 Code R-PDIP-T8
JESD-609 Code e0 Length 9.575 mm
Number of Functions 1 Number of Terminals 8
Operating Temperature-Max 125 °C Operating Temperature-Min -40 °C
Output Current-Max 0.4 A Package Body Material PLASTIC/EPOXY
Package Code DIP Package Shape RECTANGULAR
Package Style IN-LINE Qualification Status ! Not Qualified
Seated Height-Max 3.68 mm Surface Mount ! NO
Switcher Configuration BUCK Switching Frequency-Max 70 kHz
Temperature Grade ! AUTOMOTIVE Terminal Finish TIN LEAD
Terminal Form ! THROUGH-HOLE Terminal Pitch ! 2.54 mm
Terminal Position DUAL Width 6.35 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 LNK304P PDF 下載

常見問題解答

What is LNK304P?

The LNK304P is a low-power, off-line switcher IC designed by Power Integrations. It is commonly used in AC-DC power supplies for appliances, LED lighting, and other low-power applications. The IC incorporates a primary-side regulation (PSR) technique for simplified design and high efficiency.

How Does LNK304P Work?

The LNK304P works by integrating a high-voltage power MOSFET, control circuitry, and a current sense into a single IC. It utilizes the PSR technique to achieve accurate control of the output voltage without the need for an optocoupler or a secondary feedback circuit. The device operates in a discontinuous conduction mode (DCM) to minimize losses and maximize efficiency.

How Many Pins does LNK304P have and What are the Functions of the Pinout Configuration?

The LNK304P is housed in a 7-pin PDIP (Plastic Dual In-line Package) or SO-8 (Small Outline) package. The pinout configuration includes:

  • BP/M: Brownout/maximum duty cycle or internal current limit pin.
  • FB: Feedback voltage regulation pin.
  • EN/UV: Enable/undervoltage lockout (UVLO) pin.
  • BP/M: Brownout/maximum duty cycle or internal current limit pin.
  • V: Input voltage pin.
  • Drain: Drain (power) pin of the integrated MOSFET.
  • NC: No connection pin.

What are the Pros and Cons of LNK304P?

Pros:

  • Integrated Design: Combines multiple functions into a single IC, simplifying system design.
  • Primary-Side Regulation: Eliminates the need for an optocoupler and secondary-side feedback circuitry, reducing component count and cost.
  • Efficiency: Operates in DCM to achieve high efficiency and low standby power consumption.
  • Compact Package: Available in space-saving PDIP or SO-8 packages for versatility in board designs.

Cons:

  • Limited Power Range: Designed for low-power applications and may not be suitable for high-power systems.
  • External Components: May require external components for specific protection or filtering requirements.

Are There Any Equivalents/Alternatives to LNK304P for Recommendation?

  • The TNY274P from Power Integrations is a comparable off-line switcher IC with similar features.
  • Alternatives to the LNK304P include the FSDM0265R from Fairchild Semiconductor and the TOP225Y from Power Integrations.

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