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NCP4390DR2G The ON Semiconductor NCP4390DR2G is an advanced secondary side LLC resonant converter controller with synchronous rectifier control. It operates over a wide frequency and temperature range.
Mfr Part #:

NCP4390DR2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP4390DR2G is an advanced secondary side LLC resonant converter controller with synchronous rectifier control. It operates over a wide frequency and temperature range.
✓ Total Stock: 3,500 pcs
$ Price Range: $0.75

NCP4390DR2G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

NCP4390DR2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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NCP4390DR2G Description

Short technical summary and product information.

The NCP4390DR2G from ON Semiconductor is an advanced Pulse Frequency Modulated (PFM) controller designed for LLC resonant converters with Synchronous Rectification (SR). It offers high efficiency for isolated DC/DC converters by employing a current mode control technique based on charge control.

 

This controller features a wide operating frequency range of 39 kHz to 690 kHz and operates within a temperature range of -40°C to 125°C. It includes adaptive synchronous rectification control with dual edge tracking to minimize body diode conduction time and maximize efficiency. Protection functions with auto-restart are also integrated, including Over-Current Protection (OCP) and Output Short Protection (OSP).

 

The NCP4390DR2G is suitable for applications such as automotive on-board chargers and industrial power supplies ranging from 100 W to 2 kW+. It is available in a 16-SOIC package and is designed for surface mount applications.

 

Key features include closed-loop soft-start for monotonic output voltage rise, green functions for improved light-load efficiency, and programmable dead times for primary side switches and secondary side synchronous rectifiers.

NCP4390DR2G Quick Information

Product Type: Power Supply Controller
Series: NCP4390
Canonical Name: NCP4390 Advanced Secondary Side LLC Resonant Converter Controller with Synchronous Rectifier Control
Subcategory: LLC Resonant Converter Controller

NCP4390DR2G Compliance

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

NCP4390DR2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP4390DR2G Features

  • Advanced secondary side LLC resonant controller
  • Synchronous rectifier control included
  • Wide operating frequency 39 kHz to 690 kHz
  • Wide operating temperature -40°C to 125°C
  • 16-SOIC surface mount package

NCP4390DR2G Applications

  • Used in LLC resonant power converters.
  • Ideal for secondary side power control.
  • Suitable for power management in electronics.
  • Designed for high-efficiency power supplies.

NCP4390DR2G FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the NCP4390DR2G?

The operating voltage range for the NCP4390DR2G is 0V to 18V.

What is the operating temperature range of the NCP4390DR2G?

The NCP4390DR2G operates within a temperature range of -40°C to 125°C (TJ).

What package type is the NCP4390DR2G available in?

The NCP4390DR2G is available in a 16-SOIC package.

What is the typical current consumption of the NCP4390DR2G?

The typical current consumption of the NCP4390DR2G is 2.8 mA.

What is the operating frequency range for this controller?

The operating frequency range is 39 kHz to 690 kHz.

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