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NCP4318ALSDR2G The ON Semiconductor NCP4318ALSDR2G is a dual-channel synchronous rectifier controller designed for LLC resonant converters. It operates within a wide voltage range and comes in an 8-SOIC package.
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NCP4318ALSDR2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP4318ALSDR2G is a dual-channel synchronous rectifier controller designed for LLC resonant converters. It operates within a wide voltage range and comes in an 8-SOIC package.
✓ Total Stock: 1,000 pcs
$ Price Range: $0.75

NCP4318ALSDR2G Available from 1 distributor

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✓ Non-Authorised
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Braun Electronic Components ✓
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1,000 pcs
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NCP4318ALSDR2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
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Current
Mounting Type
Operating Temperature
SVHC Present
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NCP4318ALSDR2G Description

Short technical summary and product information.

The NCP4318ALSDR2G from ON Semiconductor is an advanced synchronous rectification (SR) controller specifically designed for LLC resonant converters. It requires minimal external components and features two independent gate drivers for SR MOSFETs, each with dedicated drain and source sensing pins.

 

This controller offers advanced adaptive dead-time control to minimize body diode conduction and maximize system efficiency. It also includes an advanced turn-off control algorithm for stable SR operation across the entire load range. Key electrical specifications include a wide operating supply voltage range from 6.5 V to 35 V and an operating frequency range of 22 kHz to 500 kHz. It provides high gate sourcing and sinking current capabilities (1.5 A / 4.5 A) and features short turn-on and turn-off delay times of 30 ns.

 

The NCP4318ALSDR2G is available in an 8-SOIC package, suitable for surface mounting. Its applications include high power density adapters, large screen LED-TV and OLED-TV power supplies, high efficiency desktop and server power supplies, networking and telecom power supplies, and high power LED lighting.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are based on database information and may require verification.

NCP4318ALSDR2G Quick Information

Product Type: Synchronous Rectifier Controller
Series: NCP4318
Canonical Name: NCP4318A Advanced Synchronous Rectifier Controller for LLC Resonant Converter
Subcategory: Synchronous Rectifier Controller

NCP4318ALSDR2G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NCP4318ALSDR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

NCP4318ALSDR2G Features

  • Advanced synchronous rectifier controller for LLC converters.
  • Dual gate drivers with independent drain/source sensing.
  • Wide 6.5V to 35V operating supply voltage range.
  • Fast 30ns turn-on and turn-off delay times.
  • Surface mount 8-SOIC package.

NCP4318ALSDR2G Applications

  • Ideal for high power density adapters.
  • Suitable for LED-TV and OLED-TV power supplies.
  • Used in efficient desktop and server power supplies.
  • Applicable for networking and telecom power.
  • Designed for high power LED lighting.

NCP4318ALSDR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage range?

6.5 V to 35 V.

What is the operating frequency range?

22 kHz to 500 kHz.

What is the gate sourcing current?

1.5 A typical.

What is the gate sinking current?

4.5 A typical.

What are the typical turn-on and turn-off delay times?

30 ns typical for both.

What is the operating temperature range?

-40°C to 125°C junction temperature.

What is the package type?

8-SOIC surface mount package.

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