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Name: FAN7930CMX
Brand: Fairchild Semiconductor
SKU: FAN7930CMX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Fairchild Semiconductor FAN7930CMX

Part No.:: FAN7930CMX

Manufacturer:: Fairchild Semiconductor

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: FAN7930CMX.pdf

Description:: POWER FACTOR CONTROLLER, VOLTAGE

In Stock:: 3668

Quantity:: Add To Cart

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FAN7930CMX Specifications

Packaging:
Bulk
Series:
-
ProductStatus:
Active
Mode:
Critical Conduction (CRM)
Frequency-Switching:
250kHz ~ 350kHz
Current-Startup:
120 µA
Voltage-Supply:
13V ~ 20V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

FAN7930CMX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including FAN7930CMX price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for FAN7930CMX to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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FAN7930CMX information

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FAN7930CMX Typical application Circuitry

FAN7930CMX

The FAN7930CMX chip is a boundary conduction mode Power Factor Correction (PFC) controller designed to enhance the efficiency of AC-DC power supplies by improving their power factor.

Applications: This controller is ideal for use in compact power supplies found in LED lighting systems, LCD televisions, and other consumer electronics where high efficiency and a small footprint are crucial.

Parameters: The FAN7930CMX operates within a wide voltage range of 9V to 25V and supports a maximum switching frequency of 65kHz. It incorporates protective features such as over-voltage protection, under-voltage lockout, and over-current protection.

Circuit Design for an LED Lighting Power Supply:

1. Input Stage: Connect a capacitor between the AC input and ground to filter out noise and EMI.

2. Rectification Stage: Employ a bridge rectifier to convert the incoming AC signal to a DC voltage.

3. Boost Converter: Attach a boost inductor between the output of the rectifier and the drain (Pin 6) of the external MOSFET, which is controlled by the FAN7930CMX.

4. Voltage Sensing: Implement a resistor divider from the output of the rectifier to the VSENSE (Pin 3) of the FAN7930CMX to monitor the input voltage.

5. Current Sensing: Place a sensing resistor between the source of the PFC MOSFET and ground, connecting the resulting sense voltage to the ISENSE (Pin 2) of the FAN7930CMX.

6. Gate Drive: Link the GATE (Pin 1) of the FAN7930CMX to the gate of the PFC MOSFET to regulate its switching behavior.

7. Feedback Mechanism: Create a feedback loop using an optocoupler and a TL431 precision reference to relay output voltage information back to the FAN7930CMX for regulation purposes.

Design Considerations:

1. Selection of Components: Carefully select the values of the boost inductor and the current sensing resistor to ensure optimal PFC operation and efficiency.

2. Cooling Requirements: Implement appropriate cooling solutions for the PFC MOSFET and the FAN7930CMX, especially when dealing with high-power applications.

3. Protection Circuitry: Configure the protection features of the FAN7930CMX to prevent damage to the power supply under abnormal conditions.

4. EMI Considerations: Design the input filter and the PCB layout to minimize EMI and comply with regulatory standards.

By taking into account these considerations and tailoring the design to the specific needs of your LED lighting application, you can effectively utilize the FAN7930CMX in your power supply design.

FAN7930CMX FAQ

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3. Are the FAN7930CMX price and inventory displayed accurate?

The price and inventory of FAN7930CMX fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of FAN7930CMX?

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 FAN7930CMX we delivered, we will accept the replacement or return of the FAN7930CMX 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 FAN7930CMX.

(3)The PartNo 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