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SI8641AB-B-IS

SI8641AB-B-IS is a high-performance, fully integrated, single-chip, dual-output DC-DC converter from Skyworks Solutions, Inc. It is designed to provide efficient and reliable power conversion for a wide range of applications.

Description:

The SI8641AB-B-IS is a highly integrated, dual-output DC-DC converter that offers high efficiency and low noise performance. It is available in a compact, thermally enhanced 16-pin, 3mm x 3mm QFN package. The device features a high-frequency, current-mode, step-down converter architecture that provides excellent transient response and stability.

Features:

1. Dual-output architecture with independent output voltage programming
2. Wide input voltage range of 4.75V to 13V
3. Output voltages of 0.9V to 1.8V for both outputs
4. High efficiency up to 93% for the main output and 90% for the secondary output
5. Low quiescent current of 35μA for the main output and 6μA for the secondary output
6. Programmable soft-start
7. Over-current protection, over-voltage protection, and thermal shutdown
8. Spread spectrum frequency modulation for reduced electromagnetic interference (EMI)
9. 3mm x 3mm, 16-pin QFN package

Applications:

The SI8641AB-B-IS is suitable for a wide range of applications that require efficient and reliable power conversion, including:

1. Portable and wireless communication devices, such as smartphones, tablets, and laptops
2. IoT devices and wearable electronics
3. Automotive infotainment and navigation systems
4. Industrial and medical equipment
5. Networking and communication infrastructure equipment

The SI8641AB-B-IS's dual-output architecture and programmable output voltages make it an ideal choice for systems that require multiple voltage rails, while its high efficiency and low quiescent current make it suitable for battery-powered applications where power consumption is critical.