제품소개 > 집적 회로 (IC) > 전력 관리 IC > LNK305PN

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LNK305PN

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AC/DC Converters 175mA MDCM 280mA CCM

회사 : Power Integrations, Inc
꾸러미 : DIP-8
제품 : AC/DC Switching Converters
Datasheet: LNK305PN Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
재고: 9681

  

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LNK305PN 제품 상세 정보

Description

The LNK305PN is a Power Management IC designed to provide efficient and reliable power supply solutions for various electronic applications. With its integrated features, this PMIC is a versatile choice for powering systems with enhanced energy efficiency.

LinkSwitch-TN is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360 mA output current range at equal system cost while offering much higher performance and energy efficiency. LinkSwitch-TN devices integrate a 700 V power MOSFET, oscillator, simple On/Off control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit Figure 1. Typical Buck Converter Application (See Application Examples Section for Other Circuit Configurations). and thermal shutdown circuitry onto a monolithic IC. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters. The fully integrated auto-restart circuit in the LNK304-306 safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost. A local supply provided by the IC allows use of a nonsafety graded optocoupler acting as a level shifter to further enhance line and load regulation performance in buck and buck-boost converters, if required.

Product Highlights

Cost Effective Linear/Cap Dropper Replacement
• Lowest cost and component count buck converter solution
• Fully integrated auto-restart for short-circuit and open loop fault protection – saves external component costs
• LNK302 uses a simplified controller without auto-restart for very low system cost
• 66 kHz operation with accurate current limit – allows low cost off-the-shelf 1 mH inductor for up to 120 mA output current
• Tight tolerances and negligible temperature variation
• High breakdown voltage of 700 V provides excellent input surge withstand
• Frequency jittering dramatically reduces EMI (~10 dB)
• Minimizes EMI filter cost
• High thermal shutdown temperature (+135 °C minimum)
Much Higher Performance Over Discrete Buck and Passive Solutions
• Supports buck, buck-boost and flyback topologies
• System level thermal overload, output short-circuit and open control loop protection
• Excellent line and load regulation even with typical configuration
• High bandwidth provides fast turn-on with no overshoot
• Current limit operation rejects line ripple
• Universal input voltage range (85 VAC to 265 VAC)
• Built-in current limit and hysteretic thermal protection
• Higher efficiency than passive solutions
• Higher power factor than capacitor-fed solutions
• Entirely manufacturable in SMD
EcoSmart™– Extremely Energy Efficient
• Consumes typically only 50/80 mW in self-powered buck topology at 115/230 VAC input with no-load (opto feedback)
• Consumes typically only 7/12 mW in flyback topology with external bias at 115/230 VAC input with no-load
• Meets California Energy Commission (CEC), Energy Star, and EU requirements
Applications
• Appliances and timers
• LED drivers and industrial controls

LNK305PN Pinout

Here is the detailed pin functions of the LNK305PN pin configuration:

  1. VDD: Power supply pin. Connect to a regulated voltage source.

  2. FB: Feedback pin. Connects to the output voltage through a resistive divider network.

  3. ON/OFF: On/Off control pin. Connect to a control circuit to enable or disable the IC.

  4. GND: Ground pin. Connect to the ground reference of the circuit.

  5. D: Drain pin. Connect to the power MOSFET's drain terminal.

  6. S: Sense pin. Connects to the output voltage to sense the voltage level.

  7. VCC: Voltage control pin. Connect to an external capacitor for setting the startup voltage.

  8. BP/M: Brownout protection/Multiplex pin. Used for multiple functions based on application requirements.

  9. NC: No connection. This pin is not internally connected and should be left unconnected.

  10. NC: No connection. This pin is not internally connected and should be left unconnected.

Note: Comprehensive technical details can be available in the LNK305PN datasheet.

Circuit Diagram

[Include a simple circuit diagram showcasing the LNK305PN in a typical power supply application.]

LNK305PN

응용 프로그램 / 파라미터의 범위

  • Lowest Component Count Buck Converter Solution

  • Fully integrated Auto-restart for Short-circuit and open loop fault protection saves component costs

  • 66kHz Operation with accurate current limit, allows low cost Off-the-shelf 1mH Inductor

  • Tight Tolerances and Negligible Temperature Variation

  • High Breakdown Voltage of 700V Provides Excellent Input Surge Withstand

  • Frequency Jittering Dramatically Reduces EMI (~10dB)

  • High Thermal Shutdown Temperature (+135°C Minimum)

  • Much Higher Performance over Discrete Buck and Passive Solutions

  • Supports Buck, Buck-boost and Flyback Topologies

  • System Level Thermal Overload, Output Short-circuit and Open Control Loop Protection

  • Excellent Line and Load Regulation Even with Typical Configuration

  • High Bandwidth Provides Fast Turn-on with No Overshoot

  • Current Limit Operation Rejects Line Ripple

  • Universal Input Voltage Range (85 to 265VAC)

  • Built-in Current Limit and Hysteretic Thermal Protection

  • Higher Efficiency than Passive Solutions

  • Higher Power Factor than Capacitor-fed Solutions

  • Entirely Manufacturable in SMD

  • EcoSmart™ - Extremely Energy Efficient

  • Consumes typically 50/80mW in self-powered buck topology at 115/230VAC input with no-load

LNK305PN 제품

응용 프로그램의 범위

  • Consumer Electronics: The LNK305PN can be used in consumer electronic devices such as televisions, audio systems, and other home appliances, providing efficient power management and control.

  • Clock & Timing Systems: In applications requiring clock and timing precision, the LNK305PN can contribute to stable and reliable power supplies, ensuring accurate timing functions.

  • LED Lighting: The LNK305PN is suitable for LED lighting applications, providing power regulation and control to ensure optimal performance and energy efficiency in lighting systems.

  • Industrial Automation: Industrial automation systems often require robust power management solutions. The LNK305PN can be employed to regulate power in industrial automation applications for increased reliability.

  • Process Control: In processes where precise control of power is essential, such as manufacturing and processing plants, the LNK305PN can contribute to efficient and stable power supplies.


Manufacturer: Power Integrations

The LNK305PN integrated off-line switcher IC is proudly manufactured by Power Integrations, a leading semiconductor company specializing in power management solutions. Power Integrations' commitment to quality ensures that the LNK305PN meets stringent industry standards.


LNK305PN Equivalents

For similar integrated off-line switcher ICs, consider these alternatives to the LNK305PN:

TOPSwitch:

  • Description: The TOPSwitch family, manufactured by Power Integrations, comprises integrated switcher ICs with various features, offering alternatives to the LNK305PN.

  • Application: Like the LNK305PN, TOPSwitch devices are used in power supply applications across different industries.

L6561:

  • Description: The L6561 is another IC that can serve as an equivalent to the LNK305PN. It is designed for power factor correction (PFC) applications and is part of the Power Factor Correction Controllers family.

  • Application: The L6561 is commonly used in power supplies and systems where power factor correction is crucial for efficient energy utilization.

Usage Guide

  • Refer to the official datasheet for comprehensive technical details.

  • Connect the IC pins according to the provided pin configuration for the desired power supply application.

  • Consider the recommended input and output capacitor values for optimal performance.

Frequently Asked Questions

Q: What is the operating frequency of the LNK305PN?

A: Refer to the datasheet for information on the operating frequency specifications.


Q: Can the LNK305PN be used in LED lighting applications?

A: Yes, the IC is suitable for LED drivers in energy-efficient lighting systems.

LNK305PN Pinout
(제품 이미지: Pinout)

LNK305PN Block Diagram
(제품 이미지: Diagram)

기술적 인 매개 변수

  • Output Voltage
  • 12 V
  • Input / Supply Voltage (Max)
  • 265 VAC
  • Input / Supply Voltage (Min)
  • 85 VAC
  • Switching Frequency
  • 66 kHz
  • Supply Current
  • 220 uA
  • Operating Temperature Range
  • - 40 C to + 150 C
  • Mounting Style
  • Through Hole
  • Package / Case
  • DIP-8
  • Packaging
  • Tube
  • Number of Outputs
  • 1
  • Output Current
  • 280 mA
  • Factory Pack Quantity
  • 3000
  • Type
  • Off Line Switcher

LNK305PN 동등한 부분

LNK305PN 구성 요소의 경우, 이러한 대체 및 대안 부품을 고려할 수 있습니다.

모델 회사 꾸러미 비고
LNK306PN POWER DIP-7 IC SWITCH OFF-LINE MDCM/CCM 8DIP,AC/DC Switching Converters 225mA MDCM 360mA CCM
LNK304PN POWER DIP-7 AC-DC Off-Line Switcher IC, Integrated MOSFET, 85 VAC - 265 VAC in, 66 KHz, 120 mA output, DIP-7
LNK307PN POWER DIP7

LNK305PN 특수 제품에 대한 관련

Ratings and Reviews (1)

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  • **olfg***
    2020-03-28

    Super, gerne wieder.

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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing

보장

1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that LNK305PN is the original manufacturer or agent of POWER?
We have a professional business development department to strictly test and verify the qualifications of POWER original manufacturers and agents. All POWER suppliers must pass the qualification review before they can publish their LNK305PN devices; we pay more attention to the channels and quality of LNK305PN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LNK305PN chips? Including POWER original factory information, AC/DC Switching Converters application, LNK305PN pictures?
You can use Jotrin's intelligent search engine, or filter by AC/DC Switching Converters category, or find it through Power Integrations, Inc Information page.
Q: Are the POWER's LNK305PN price and stock displayed on the platform accurate?
The POWER's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LNK305PN, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
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TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of LNK305PN?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LNK305PN we delivered, we will accept the replacement or return of the LNK305PN only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LNK305PN.
(3)The LNK305PN is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as LNK305PN datasheet pdf, LNK305PN pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

Power Integrations, Inc

Power
Power Integrations, Inc. is a provider of high performance electronic components for high voltage power conversion systems and is headquartered in Silicon Valley, USA. ICs and diodes help design a compact, energy-efficient AC-DC power supply for a wide range of electronic products, including televis...
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