onsemi

CS51221EDR16G  

DC DC Switching Controllers

CS51221EDR16G Description

The CS51221EDR16G is a specialized integrated circuit (IC) designed for power management applications, specifically tailored for forward converter topologies. Manufactured by onsemi, this IC is part of the Power Management (PMIC) category and is packaged in a 16SOIC format, making it suitable for surface mount applications. Despite being marked as obsolete, the CS51221EDR16G remains a robust solution for various power conversion needs.

CS51221EDR16G Features

The CS51221EDR16G offers a comprehensive set of features that make it a versatile and reliable choice for power management applications. Key technical specifications include:

• Output Type: Transistor Driver
• Output Configuration: Positive, Isolation Capable
• Frequency - Switching: 1MHz
• Voltage - Supply (Vcc/Vdd): 3.8V to 15V
• Control Features: Current Limit, Frequency Control, Ramp, Soft Start
• Duty Cycle (Max): 85%
• Output Phases: 1
• Clock Sync: Yes
• Number of Outputs: 1
• Synchronous Rectifier: No
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Reel (TR)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• HTSUS: 8542.39.0001
• ECCN: EAR99

These features collectively ensure high efficiency and reliability in power conversion processes. The transistor driver output type and positive isolation-capable configuration make it suitable for applications requiring isolated power supplies. The wide supply voltage range (3.8V to 15V) and 1MHz switching frequency provide flexibility and efficiency in various operating conditions.

CS51221EDR16G Applications

The CS51221EDR16G is ideal for applications that require efficient power conversion and control. Its forward converter topology and comprehensive control features make it suitable for:

• Power Supplies: Ideal for isolated power supplies in industrial and commercial applications.
• Telecommunications: Suitable for power management in telecom equipment where efficiency and reliability are paramount.
• Consumer Electronics: Can be used in power management systems for consumer electronics that require isolated power supplies.
• Industrial Control Systems: Provides efficient power conversion for various industrial control applications.

The inclusion of current limit, frequency control, ramp, and soft start features enhances the stability and reliability of the power conversion process, making the CS51221EDR16G a robust choice for demanding applications.

Conclusion of CS51221EDR16G

The CS51221EDR16G, despite being obsolete, remains a reliable and efficient solution for forward converter topologies in power management applications. Its comprehensive set of features, including a wide supply voltage range, high switching frequency, and advanced control mechanisms, make it a versatile choice for various industries. The surface mount packaging and compliance with REACH and ROHS3 standards further enhance its suitability for modern electronic designs. For applications requiring isolated power supplies and efficient power conversion, the CS51221EDR16G stands out as a reliable and efficient solution.

CS51221EDR16G Documents

Download datasheets and manufacturer documentation for CS51221EDR16G

EOL :

Product Discontinuance Notification (PDF)      

PCN :

General Announcement - 2D Barcoding (PDF)       Temporary Suspension of ISO 9001 Certification for Hitachi Chemical Co., Ltd.