onsemi

NCP1203D40R2

NCP1203D40R2 Description

The NCP1203D40R2 is an offline switch flyback controller designed for power management applications. Manufactured by onsemi, this device is part of the SMARTMOS™ series and features a surface mount topology. Despite being marked as obsolete, the NCP1203D40R2 remains a reliable choice for specific applications due to its robust design and comprehensive fault protection mechanisms.

NCP1203D40R2 Features

• Topology: Flyback
• Mounting Type: Surface Mount
• Product Status: Obsolete
• Internal Switch(s): No
• Series: SMARTMOS™
• Fault Protection: Over Load, Over Temperature, Short Circuit
• Frequency - Switching: 40kHz
• REACH Status: REACH Unaffected
• Voltage - Start Up: 12.8 V
• Mfr: onsemi
• Duty Cycle: 80%
• HTSUS: 8542.31.0001
• Package: Tape & Reel (TR)
• Output Isolation: Isolated
• Voltage - Supply (Vcc/Vdd): 7.8V ~ 16V
• Base Product Number: NCP1203
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The NCP1203D40R2 offers a comprehensive set of features that make it suitable for a variety of power management applications. Its flyback topology ensures efficient power conversion with minimal component count, making it ideal for compact designs. The device operates at a switching frequency of 40kHz, which balances efficiency and electromagnetic interference (EMI) considerations.

The NCP1203D40R2 provides robust fault protection mechanisms, including overload, over-temperature, and short-circuit protection. These features enhance the reliability and longevity of the device in demanding operating conditions. The device's wide supply voltage range (7.8V to 16V) and 80% duty cycle capability further contribute to its versatility and efficiency.

NCP1203D40R2 Applications

The NCP1203D40R2 is well-suited for applications requiring isolated power conversion and compact design. Its flyback topology and surface mount packaging make it ideal for use in:

• Adaptive Voltage Controllers: Where precise control over output voltage is required.
• Power Supply Units: For applications needing efficient power conversion with minimal space.
• Battery Chargers: For devices requiring reliable and efficient charging solutions.
• LED Drivers: For applications needing stable and efficient power supply to LED arrays.

Conclusion of NCP1203D40R2

The NCP1203D40R2, despite being marked as obsolete, remains a reliable and efficient choice for power management applications. Its comprehensive fault protection, wide supply voltage range, and efficient flyback topology make it a versatile component suitable for a variety of applications. The device's surface mount packaging and compact design further enhance its appeal for space-constrained applications. For engineers and designers seeking a robust and efficient power management solution, the NCP1203D40R2 offers a reliable option with proven performance.