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NCP1342ANDAAD1R2G The ON Semiconductor NCP1342ANDAAD1R2G is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It operates with an input voltage range of 9V to 28V and features a switching frequency of 500kHz.
Mfr Part #:

NCP1342ANDAAD1R2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1342ANDAAD1R2G is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It operates with an input voltage range of 9V to 28V and features a switching frequency of 500kHz.
✓ Total Stock: 300 pcs
$ Price Range: $0.75

NCP1342ANDAAD1R2G Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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300 pcs
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NCP1342ANDAAD1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Fault Protection
Internal Switch(s)
Mounting Type
Operating Temperature
Operating Voltage
Output Isolation
Overload Protection
Supplier Device Package
Topology
Voltage
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NCP1342ANDAAD1R2G Description

Short technical summary and product information.

The ON Semiconductor NCP1342ANDAAD1R2G is a quasi-resonant flyback controller IC suitable for designing high-performance off-line power converters. It supports a wide VCC range from 9 V to 28 V and operates at a high switching frequency of 500kHz, enabling efficient and compact AC-DC power supplies.

 

This controller integrates several protective features for enhanced ruggedness, including internal brownout detection, non-dissipative Over Power Protection (OPP), latched overvoltage protection, and NTC-ready overtemperature protection. It also includes abnormal overcurrent fault protection for winding short circuit or saturation detection, and line removal detection.

 

The NCP1342 features valley switching operation with valley-lockout for noise-free operation and transitions to frequency foldback mode to reduce switching losses at lighter loads. It incorporates Rapid Frequency Foldback with Minimum Peak Current Modulation and Skip Mode with Quiet-Skip Technology for optimized light load performance and minimized acoustic noise. The device is supplied in a 9-SOIC surface mount package.

 

Applications for the NCP1342ANDAAD1R2G include AC-DC power adapters, battery chargers, standby power supplies, and auxiliary supplies in industrial and consumer electronics.

NCP1342ANDAAD1R2G Quick Information

Product Type: Offline Switch Controller
Canonical Name: NCP1342 Offline Flyback Controller
Subcategory: Offline Switch Controller

NCP1342ANDAAD1R2G Compliance

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

NCP1342ANDAAD1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1342ANDAAD1R2G Features

  • Highly integrated quasi-resonant flyback controller.
  • Wide 9V to 28V operating voltage range.
  • 500kHz switching frequency for compact designs.
  • Comprehensive fault protection features included.
  • Optimized for high-performance off-line power converters.

NCP1342ANDAAD1R2G Applications

  • Used in AC-DC power adapters.
  • Suitable for battery chargers.
  • Applied in standby power supplies.
  • Utilized in auxiliary power supplies.

NCP1342ANDAAD1R2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the NCP1342ANDAAD1R2G?

9V to 28V.

What is the switching frequency?

500 kHz.

What is the operating temperature range?

-40°C to 125°C junction temperature.

What package is the NCP1342ANDAAD1R2G available in?

9-SOIC (10-SOP with 9 leads), surface mount.

What protection features does it include?

Over power protection, overvoltage protection, overtemperature protection, short circuit protection, overload protection, and current limiting.

What is the topology?

Flyback, isolated output.

Does it have an internal switch?

No, it is a controller without internal switch.

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