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PE42850B-X

The PE42850B-X is a high-efficiency synchronous step-down (buck) regulator from pSemi (now part of Diodes Incorporated). This regulator is designed to provide a stable and efficient power supply for various applications. Here's a brief description, features, and applications for the PE42850B-X:

Description:

The PE42850B-X is a highly integrated synchronous step-down regulator that offers high efficiency, low quiescent current, and excellent transient response. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. Wide input voltage range: 4.75V to 23V
2. Output voltage adjustable from 0.9V to 5.5V
3. High efficiency up to 93%, depending on the input and output voltages
4. Low quiescent current of 35µA in normal operation mode
5. Synchronous rectification for improved efficiency
6. Programmable soft-start to minimize inrush current
7. Over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown (TSD) for added safety
8. Small form factor: available in a 20-pin 3x3mm QFN package

Applications:

1. Portable devices: smartphones, tablets, and wearable electronics
2. IoT devices: smart home devices, sensors, and wireless communication modules
3. Automotive applications: infotainment systems, GPS navigation, and in-vehicle communication systems
4. Industrial equipment: control systems, sensors, and monitoring devices
5. Medical devices: portable medical instruments, wearable medical devices, and diagnostic equipment

The PE42850B-X is a versatile and efficient solution for step-down voltage regulation in a wide range of applications, particularly where space and power efficiency are critical factors.