onsemi_NCP1250BP65G
original

onsemi
NCP1250BP65G

748-NCP1250BP65G
PDF Datasheet
PWM Controller, Current Mode, for Offline Power Supplies, 50-TUBE
24 Weeks

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ISO9001
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Tech Specifications

Package/Case
DIP
Duty Cycle
80%
Fall Time
30ns
Fault Protection
Over Voltage, Short Circuit
Lead Free
Lead Free
Max Duty Cycle
84%
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
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NCP1250BP65G Description

NCP1250BP65G Description

The NCP1250BP65G from onsemi is a high-performance offline switch IC designed for flyback topology applications. Housed in an 8-pin DIP through-hole package, this active-mode PWM controller operates at a fixed switching frequency of 65kHz with an 80% maximum duty cycle. It supports a wide supply voltage range of 8.8V to 28V, ensuring robust performance in diverse power supply designs. The device features isolated output and integrates comprehensive fault protection, including over-power, over-voltage, and short-circuit safeguards, enhancing system reliability. Compliant with ROHS3 and REACH standards, it is suitable for environmentally conscious designs.

NCP1250BP65G Features

  • Topology: Optimized for flyback converters with high efficiency.
  • Protection Mechanisms: Built-in over-power, over-voltage, and short-circuit protection for fail-safe operation.
  • Wide Voltage Range: Operates from 8.8V to 28V, accommodating fluctuating input conditions.
  • Fixed Frequency: 65kHz switching ensures consistent performance with minimal noise.
  • High Duty Cycle: 80% maximum duty cycle improves power delivery in demanding applications.
  • Compliance: ROHS3 and REACH Unaffected, meeting global environmental standards.
  • Package: 8DIP through-hole for easy integration in industrial and legacy systems.

NCP1250BP65G Applications

This IC is ideal for offline power supplies requiring robust performance and protection. Key applications include:

  • AC/DC adapters for consumer electronics (e.g., chargers, set-top boxes).
  • Auxiliary power supplies in industrial equipment.
  • LED drivers requiring isolated output and fault tolerance.
  • Low-power SMPS designs where reliability and compact form factor are critical.

Conclusion of NCP1250BP65G

The NCP1250BP65G stands out as a reliable, high-efficiency offline switch IC, combining wide input voltage tolerance, advanced protection features, and a fixed-frequency design. Its flyback topology optimization makes it a preferred choice for compact, isolated power supplies in consumer, industrial, and lighting applications. With onsemi's proven quality and compliance with stringent environmental standards, this IC delivers a robust solution for modern power conversion challenges.

FAQ

What operating temperature range does NCP1250BP65G support?
NCP1250BP65G has an operating temperature range of 125°C.
What voltage specification is listed for NCP1250BP65G?
What is NCP1250BP65G?
Is NCP1250BP65G currently in stock?
What package or case is NCP1250BP65G available in?
Availability (In Stock : 523 )
Quantity Unit Price Ext. Price
1+ $0.98560 $0.99
10+ $0.70840 $7.08
50+ $0.59946 $29.97
100+ $0.56558 $56.56
250+ $0.52983 $132.46
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