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NCP1342DADBDD1R2G The ON Semiconductor NCP1342DADBDD1R2G is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It operates within a wide input voltage range and features robust protection mechanisms.
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NCP1342DADBDD1R2G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor NCP1342DADBDD1R2G is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It operates within a wide input voltage range and features robust protection mechanisms.
✓ Total Stock: 2,990 pcs
$ Price Range: $0.75

NCP1342DADBDD1R2G Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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2,990 pcs
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2990 pcs On Request 1 On Request On Request On Request On Request On Request
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NCP1342DADBDD1R2G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Fault Protection
Frequency
Input Voltage
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Output Current
Output Isolation
Supplier Device Package
Supplier Package
Topology
Voltage
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NCP1342DADBDD1R2G Description

Short technical summary and product information.

The NCP1342DADBDD1R2G from ON Semiconductor is a highly integrated quasi-resonant flyback controller designed for high-performance off-line power converters. It supports a wide input voltage range from 9 V to 28 V and operates at a switching frequency of 50 kHz.

 

This controller incorporates several advanced features to enhance performance and reliability. These include integrated high-voltage startup with brownout detection, an active X2 capacitor discharge capability for low no-load power consumption, and proprietary valley-lockout circuitry for stable valley switching. It also features frequency foldback with a 25 kHz minimum frequency clamp and rapid frequency foldback for improved efficiency at light loads.

 

For ruggedness, the NCP1342DADBDD1R2G includes non-dissipative Over Power Protection (OPP), latched overvoltage protection, NTC-ready overtemperature protection, and abnormal overcurrent fault protection. The device is available in a 9-SOIC package and operates within a temperature range of -40°C to 125°C.

 

Key control features include EN, Frequency Control, Soft Start, and Sync. The controller is suitable for applications requiring efficient and reliable power conversion.

NCP1342DADBDD1R2G Quick Information

Product Type: AC/DC Converter
Canonical Name: NCP1342 Quasi-Resonant Flyback Controller
Subcategory: Power Management ICs

NCP1342DADBDD1R2G Compliance

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

NCP1342DADBDD1R2G Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

NCP1342DADBDD1R2G Features

  • Highly integrated quasi-resonant flyback controller.
  • Wide 9 V to 28 V input voltage range.
  • 50 kHz switching frequency operation.
  • Robust fault protection features included.
  • Surface mount 9-SOIC package.

NCP1342DADBDD1R2G Applications

  • Used in high-performance off-line power supplies
  • Ideal for low standby power AC-DC converters
  • Suitable for battery chargers and adapters
  • Applicable for high-frequency flyback converters
  • Designed for quasi-resonant flyback applications

NCP1342DADBDD1R2G FAQs

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

9V to 28V.

What is the package type?

9-SOIC (9-lead SOIC).

What is the operating temperature range?

-40°C to 125°C.

What is the switching frequency?

50kHz.

What is the output current rating?

800mA.

What fault protections are included?

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

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