The ACT4513YH-T is a high-efficiency, synchronous step-down DC-DC converter from Active-Semi International Inc. This device is designed to provide a stable and regulated voltage output from a higher voltage input, making it suitable for a wide range of applications, particularly those requiring efficient power conversion and compact size.

Applications:

• Portable devices (smartphones, tablets)
• Power banks
• Wireless chargers
• Solid State Drives (SSDs)
• IoT devices

Features:

• High efficiency (up to 95%)
• Wide input voltage range
• Integrated power MOSFETs
• Adjustable output voltage
• Over-current protection
• Short-circuit protection

Benefits:

• Extended battery life in portable applications
• Reduced system size and cost
• Improved system reliability
• Simplified power system design
• Enhanced protection against faults

Additional Details:

The ACT4513YH-T converter features a constant-on-time (COT) control architecture that provides fast transient response and stable operation. The device also includes various protection features, such as over-current protection (OCP), short-circuit protection (SCP), and over-temperature protection (OTP), to ensure reliable operation under various fault conditions. The switching frequency is generally in the MHz range, allowing for the use of small external components, further reducing the overall solution size. Consult the datasheet for precise details.