onsemi 1-Channel Voltage Regulator 12V 25 kHz Surface Mount Positive Polarity SOIC 9-Pin NCP1343BADBDEAD1R2G

onsemi NCP1343BADBDEAD1R2G is a 1-channel Voltage Regulator IC designed for efficient power management in industrial, consumer electronics, and automotive-related electronics systems. It operates with a 12V adjustable output voltage, switching frequency at 25kHz, and is packaged in a compact SOIC 9-pin surface mount form factor suitable for automated PCB assembly.

This device integrates a quasi-resonant flyback controller that enables designing high-performance, off-line power converters with minimized transformer size through its power excursion mode feature. The frequency jittering technology incorporated reduces electromagnetic interference, providing cleaner output and enhancing reliability in sensitive electronic environments.

Protection features include latching or auto-recovery timer-based overload protection and adjustable overpower protection to guard against abnormal conditions. The device also imposes a maximum frequency clamp to prevent excessive switching frequencies, enhancing device durability.

It supports a wide input voltage range from 9V to 28V and operates reliably under temperature extremes ranging from -40°C to 125°C, making it suitable for a broad spectrum of demanding applications including industrial automation, HVAC systems, telecommunications, and laboratory equipment.

The positive polarity output and surface mount SOIC package ensure compatibility with modern electronics manufacturing and compact device design. Highly integrated quasi-resonant flyback controller for off-line power conversion applications.

Power excursion mode minimises transformer size requiring high transient load capability. Frequency jittering reduces EMI signature effectively. Features latching or auto-recovery timer-based overload protection. Adjustable overpower protection and maximum frequency clamp enhance device safety.

Operating temperature range from -40°C to 125°C suitable for harsh environments. Compliant with RoHS standards ensuring environmental safety. Positive polarity output with surface mount SOIC package for compact PCB design.

Supports input voltage range from 9V minimum to 28V maximum.

This voltage regulator is ideal for use in industrial electronics, manufacturing power supplies, HVAC control units, telecommunications devices, and laboratory instrumentation that demand reliable voltage control and protection features.

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