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PE42423B-Z

The PE42423B-Z is a high-efficiency synchronous step-down (buck) regulator from pSemi Corporation (now part of Diodes Incorporated). It is designed to provide a regulated output voltage from a higher input voltage source, making it suitable for a wide range of applications that require efficient power conversion.

Description:

The PE42423B-Z is a compact, high-performance synchronous step-down regulator that offers tight output voltage regulation and high efficiency over a wide input voltage and load current range. It features a high-frequency synchronous rectification, which allows for improved efficiency and reduced solution size.

Features:

1. Input voltage range: 4.75V to 23V
2. Output voltage range: 0.9V to 10V (adjustable)
3. Output current: Up to 3A
4. High efficiency (up to 93%)
5. Synchronous rectification for improved efficiency
6. Tight output voltage regulation (±1%)
7. Low quiescent current (< 20μA in standby mode)
8. Programmable soft-start
9. Over-current protection (OCP)
10. Over-voltage protection (OVP)
11. Thermal shutdown protection
12. Small form factor (3.2mm x 4.2mm QFN package)

Applications:

1. Portable devices: Smartphones, tablets, and wearables
2. Power banks and USB battery packs
3. IoT devices and wireless sensors
4. LED lighting and drivers
5. Medical devices and equipment
6. Consumer electronics
7. Industrial control and automation systems
8. Automotive infotainment and control systems

The PE42423B-Z is a versatile and efficient step-down regulator that can be used in various applications where efficient power conversion and tight voltage regulation are required. Its high efficiency, wide input voltage range, and small form factor make it suitable for compact and portable devices, as well as more complex systems that require stable and reliable power regulation.