KP15051SPA
  • KP15051SPAKP15051SPA

KP15051SPA

The KP15051SPA series is a high-performance, low-cost PWM controlled power switch for off-line low-power step-down applications with simple peripheral circuits and fewer components.

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Product Description

High performance, low cost off-line PWM control power switch


The KP15051SPA series is a high-performance, low-cost PWM controlled power switch for off-line low-power step-down applications with simple peripheral circuits and fewer components. At the same time, the built-in high voltage MOSFETs can improve the surge tolerance of the system.


Unlike traditional PWM controllers, KP15051SPA has no fixed clock drive MOSFETs, and the switching frequency of the system can be adjusted automatically according to the load. At the same time, the chip adopts multi-mode PWM control technology, which effectively simplifies the peripheral circuit design, improves the linear adjustment rate and load adjustment rate, and eliminates the audible noise in the system work. In addition, the internal peak current detection threshold can be automatically adjusted according to the actual load condition, which can effectively reduce the standby power consumption in no-load condition.


The KP15051SPA integrates complete protection functions with self-recovery: VDD undervoltage protection, cycle by cycle current limit, output overvoltage protection, overheat protection, overload protection and VDD overvoltage protection.


Main feature

• Integrated 500V high voltage MOSFET and high voltage start circuit

• Optimize light load noise and improve system anti-interference ability

• Multi-mode control, no sound work

• Supports step-down and step-down topology

• Default 12V output (FB foot suspension)

• Standby power consumption <50mW

• Good linear adjustment rate and load adjustment rate

• Integrated soft start circuit


• Internal protection functions:

• Overload Protection (OLP)

• Cycle Current Limit (OCP)

• Output Overvoltage protection (OVP)

• VDD overvoltage, undervoltage and voltage clamp protection


• Encapsulation type SOP-8


Typical application

• Intelligent lighting



Contact Us

Shenzhen Headquarters: 10th Floor, Research and Development Center Building, EVOC Industrial Park, 

Guangming Street, Guangming District, Shenzhen City, Guangdong Province, China

Company Official Website: www.cokinsemi.com

 

Email: wyq@cokinic.com

Telephone: +86-18681585060

 




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