NCP1342BKDCDAD1R2G
On Semiconductor
The On Semiconductor NCP1342BKDCDAD1R2G is a highly integrated quasi-resonant flyback controller. It operates within a 9V to 28V range and supports frequencies from 25kHz to 500kHz.
| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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17,495 pcs
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17495 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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1,000 pcs
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1000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Control Features | |
| Fault Protection | |
| Frequency | |
| Internal Switch(s) | |
| Mounting Type | |
| Operating Temperature | |
| Output Isolation | |
| Supplier Device Package | |
| Topology | |
| Voltage |
The ON Semiconductor NCP1342DADBDGD1R2G is a sophisticated offline switch controller IC designed for flyback topology in power supply applications. It supports high-frequency switching up to 500kHz, enabling the design of efficient and compact AC-DC power converters.
Key electrical specifications include a wide operating voltage range of 9V to 28V and a typical startup voltage of 17V. The controller integrates advanced features such as frequency control and soft-start for optimized performance. It also incorporates comprehensive fault protection mechanisms, including current limiting, overload, overpower, over temperature, over voltage, and short circuit protection, enhancing converter ruggedness.
This device is supplied in a 9-SOIC package suitable for surface mounting, facilitating automated assembly processes. The operating temperature range is -40°C to 125°C (TJ), ensuring reliable operation in demanding environments. The NCP1342DADBDGD1R2G is designed for isolated topology designs, making it suitable for a variety of AC-DC power adapters, battery chargers, and auxiliary power supplies in industrial and consumer electronics.
It operates without an integrated power switch, requiring external components for the flyback converter circuit. The controller's design focuses on high performance, reliability, and robust protection for offline power conversion applications.
| Qty | Low | High |
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| 1+ | $0.75 | $0.75 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 9 V to 28 V.
The switching frequency range is 25 kHz to 500 kHz.
The junction operating temperature range is -40°C to 125°C.
It is available in a 9-SOIC surface mount package.
No, it is a controller IC and does not include an internal power switch.
It provides current limiting, over load, over power, over temperature, over voltage, and short circuit protection.
It is designed for flyback topology with isolated output.