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NCP1200AP40 from ON,ON Semiconductor

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NCP1200AP40

Manufacturer: ON

PWM Current Mode Controller With Low Standby Power, 40/60/100kHz

Partnumber Manufacturer Quantity Availability
NCP1200AP40 ON 4337 In Stock

Description and Introduction

PWM Current Mode Controller With Low Standby Power, 40/60/100kHz The **NCP1200AP40** is a high-performance pulse-width modulation (PWM) current-mode controller designed for offline power supply applications. Manufactured by ON Semiconductor, this integrated circuit (IC) is widely used in switch-mode power supplies (SMPS) due to its efficiency, reliability, and advanced features.  

Operating at a fixed switching frequency of 40 kHz, the NCP1200AP40 incorporates a built-in high-voltage startup circuit, eliminating the need for an external auxiliary winding. Its current-mode architecture ensures stable operation across varying load conditions while providing cycle-by-cycle current limiting for enhanced protection.  

Key features include a low standby power consumption, making it suitable for energy-efficient designs, and an adjustable output power limit to optimize performance. The device also integrates brown-out protection and an automatic recovery mechanism for fault conditions.  

With its compact 8-pin PDIP package, the NCP1200AP40 is ideal for applications such as AC-DC adapters, auxiliary power supplies, and consumer electronics. Its robust design and ease of implementation make it a preferred choice for engineers seeking a cost-effective and reliable power management solution.  

By balancing performance and simplicity, the NCP1200AP40 continues to be a versatile component in modern power supply systems.

Application Scenarios & Design Considerations

PWM Current Mode Controller With Low Standby Power, 40/60/100kHz

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