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Fixed Input Push-pull Control Chip SCM1212A, Integrating Three Key Technologies

Introduction of Fixed Input Push-pull Control Chip SCM1212A

    MORNSUN's newest fixed input push-pull control chip SCM1212A integrates soft-start function, output short-circuits protection, and over-temperature protection to effectively improve product reliability. SCM1212A (SOT23-5 package) is functionally the same as the SCM1201A (SOT23-6 package) except the package, so the chip meets the market's demand for different pin packages.


    SCM1212A has geminate power MOS, and it can work normally at a low input voltage of 4.5V and will not be damaged under the impact of a high input voltage of 40V. The internal power MOS has a high symmetry driving, thereby reducing the degree of bias of the push-pull topology. 


Fixed Input Push-pull Control Chip SCM1212A


The detailed information for three key technologies

1, Soft-start Function. It avoids the damage caused by high current during start-up and ensures normal startup with full load under CC load mode.
2, Output short-circuit protection. This protection has a good consistency, and it is not affected by the parameter deviation during power processing, nor by the high and low-temperature test conditions.
3, Over-temperature protection. When it exceeds the specified temperature range, the chip automatically enters the sleep state, and it can resume automatically when the temperature drops to the set value again.


Application of Fixed Input Push-pull Control Chip SCM1212A

It can be widely used in isolated power supply, industrial process control, isolated communication power, medical equipment, telecommunications equipment, and other fields.

Application of Fixed Input Push-pull Control Chip SCM1212A


Feature of Fixed Input Push-pull Control Chip SCM1212A

SCM1212A
 4.5~8V input voltage range
 Built-in geminate power MOS
 High MOS symmetry driving
 Built-in soft-start 
 Output short-circuit protection
 Over-temperature protection
 Operation junction temperature: -40~+125℃
 Providing matched transformer ( recommend TTB05xx-1T series)



* For detailed information please refer to the related datasheet, product news is for reference only.

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