onsemi 7-Pin SOIC PWM Controller NCP1271D65R2G, 69 kHz Switching Frequency, 20V Output Voltage, Surface Mount

onsemi NCP1271D65R2G is a 7-pin SOIC package PWM Controller designed to provide efficient power management for AC-DC off-line controllers in industrial and electronics applications. It operates at a fixed 69 kHz switching frequency and delivers an output voltage up to 20V, suitable for Flyback topology power supplies. This PWM controller features current mode control to ensure precise and consistent power regulation across varying operating conditions.

The device supports a start-up supply current of 4.1mA and a continuous supply current of 2.3mA, optimized for low power consumption during operation. With a maximum duty cycle of 85%, it offers flexibility in power delivery, supporting output currents up to 500mA. The controller is engineered to work reliably within a wide temperature range of -40°C to 150°C, making it suitable for demanding industrial environments.

The compact SOIC surface mount package (5mm length, 4mm width, and 1.5mm height) ensures simple PCB mounting and space savings in designs. It includes 7 pins configured to meet typical Flyback and forward converter topologies. The product complies with RoHS standards, reflecting adherence to environmental regulations. Though it does not conform to automotive standards, its robust design caters well to various power management use cases in manufacturing, industrial machines, and electronic devices.

Key features include current mode type PWM control, surface mount technology for efficient assembly, and suitability for synchronous rectification power supplies. This part is ideal for engineers designing reliable and efficient power conversion circuits requiring fixed frequency PWM control. Its precise electrical parameters aid in improving production efficiency in electronics manufacturing and industrial automation.

Features current mode PWM control for stable power regulation. Supports a maximum duty cycle of 85% for flexible power management. Includes a start-up supply current of 4.1mA and operating supply current of 2.3mA. Operates reliably over a temperature range from -40°C to 150°C.

Configured with a single output capable of 500mA output current. Compact package dimensions: 5mm length, 4mm width, 1.5mm height. Utilizes a surface mount SOIC package with 7 pins for easy PCB integration. Designed to meet RoHS standards ensuring environmental compliance.

Ideal for AC-DC off-line controllers, fixed frequency flyback, and synchronous rectification applications. Excludes automotive standards, tailored for general power management needs.

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