Here is the English information on the NCP13994AADR2G chip:

The NCP13994AADR2G is a synchronous step-down (buck) DC-DC converter from ON Semiconductor.

Key specifications and features include:

• Input voltage range: 4.5V to 36V
• Output voltage range: 0.6V to 5.5V
• Maximum output current: 4A
• Switching frequency: Up to 2 MHz
• Integrated high and low-side MOSFETs
• Adjustable soft-start
• Synchronization capability
• Overvoltage, overcurrent and thermal protection
• Available in WSON-8, VQFN-EP, and VSON packages

The NCP13994AADR2G is a synchronous buck converter suitable for applications requiring up to 4A of output current. It uses integrated high/low side MOSFETs for high efficiency power conversion.

Features like soft-start, synchronization, and comprehensive protections enable safe operation. The small packages are well-suited for design-in.

Capable of stepping down a wide 36V input to various regulated lower output voltages at up to 4A, this converter provides a robust and flexible solution for power supplies, adapters and systems requiring voltage conversion.

In summary, the NCP13994AADR2G is a high current synchronous buck regulator from ON Semiconductor with integrated FETs and protection features in small surface mount packages.

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