NCP1239QD65R2G The ON Semiconductor NCP1239QD65R2G is an offline switch IC designed for flyback converters. It operates within an 8.8V to 35V input voltage range and features a 65kHz switching frequency.
Mfr Part #:

NCP1239QD65R2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1239QD65R2G is an offline switch IC designed for flyback converters. It operates within an 8.8V to 35V input voltage range and features a 65kHz switching frequency.
✓ Total Stock: 52,500 pcs
$ Price Range: $0.75

NCP1239QD65R2G Available from 1 distributor

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✓ Non-Authorised
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NCP1239QD65R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
SVHC Present
Supplier Device Package
Topology
Voltage

NCP1239QD65R2G Description

Short technical summary and product information.

The NCP1239QD65R2G from ON Semiconductor is an integrated circuit designed for offline flyback converter applications. This device operates within a wide voltage range of 8.8V to 35V, with a switching frequency of 65kHz.

 

Key features include a duty cycle of 80% and comprehensive fault protection, encompassing current limiting, overload, overpower, over-temperature, over-voltage, and short circuit protection. It also includes EN and Soft Start control features.

 

The IC is housed in a 7-SOIC package, specifically an 8-SOIC measuring 0.154 inches (3.90mm) in width with 7 leads, suitable for surface mounting. Its topology is Flyback, providing isolated output.

 

This component is suitable for various power supply designs requiring efficient and reliable offline conversion.

NCP1239QD65R2G Quick Information

Product Type: Offline Switch IC
Series: NCP1239
Canonical Name: NCP1239QD65R2G Offline Switch IC
Subcategory: Offline Switches

NCP1239QD65R2G Compliance

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

NCP1239QD65R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1239QD65R2G Features

  • Offline switch IC for flyback converters.
  • Wide input voltage range: 8.8V to 35V.
  • 65kHz switching frequency.
  • Comprehensive fault protection features.
  • Surface mount 7-SOIC package.

NCP1239QD65R2G Applications

  • Flyback AC-DC power supply design
  • Isolated offline switch mode power supplies
  • Consumer electronics power adapter circuits
  • Industrial auxiliary power supplies
  • LED lighting driver power conversion

NCP1239QD65R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the NCP1239QD65R2G?

8.8V to 35V.

What package type is the NCP1239QD65R2G?

7-SOIC surface mount package (8-SOIC footprint, 7 leads).

What is the operating junction temperature of the NCP1239QD65R2G?

150°C maximum junction temperature.

What is the switching frequency of the NCP1239QD65R2G?

65kHz.

Does the NCP1239QD65R2G have internal switches?

No, it does not have internal switches.

What fault protections are included in the NCP1239QD65R2G?

Current limiting, over load, over power, over temperature, over voltage, and short circuit protection.

Is the output of the NCP1239QD65R2G isolated?

Yes, the output is isolated.

NCP1239QD65R2G Alternate Parts

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On Semiconductor
The On Semiconductor NCP1239PD65R2G is an offline switcher IC featuring a flyback topology. It operates with a wide voltage range and a high switching frequency.
View Part
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