SMZJ3808BHE3/5B Encyclopedia Entry

Product Overview

The SMZJ3808BHE3/5B belongs to the category of semiconductor devices and is commonly used in electronic circuits for voltage regulation and power management. This device exhibits characteristics such as high efficiency, low power consumption, and compact packaging. It is typically packaged individually and is available in various quantities to suit different application needs.

Specifications

• Input Voltage Range: 3V to 5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-223

Detailed Pin Configuration

The SMZJ3808BHE3/5B features a standard SOT-223 package with three pins: 1. Pin 1: Input Voltage (VIN) 2. Pin 2: Ground (GND) 3. Pin 3: Output Voltage (VOUT)

Functional Features

• High Efficiency: The device offers efficient power conversion, minimizing energy loss.
• Overcurrent Protection: It includes built-in protection against excessive output currents, enhancing system reliability.
• Thermal Shutdown: The device incorporates thermal protection to prevent overheating.

Advantages and Disadvantages

Advantages

• Compact Size: The small form factor makes it suitable for space-constrained applications.
• Wide Input Voltage Range: It can accommodate a broad range of input voltages, enhancing versatility.

Disadvantages

• Limited Output Current: The maximum output current may not be sufficient for high-power applications.
• Temperature Sensitivity: Its performance may be affected by extreme temperature variations.

Working Principles

The SMZJ3808BHE3/5B operates based on the principles of pulse-width modulation (PWM) to regulate the output voltage. When the input voltage fluctuates, the device adjusts the duty cycle of the PWM signal to maintain a stable output voltage.

Detailed Application Field Plans

This device finds extensive use in portable electronic devices, battery-powered systems, and low-power embedded applications. Its ability to efficiently manage power makes it suitable for IoT devices, handheld consumer electronics, and industrial control systems.

Detailed and Complete Alternative Models

• SMZJ3808BHE3/5C: Similar specifications with minor variations in output voltage range.
• SMZJ3808BHE3/5D: Higher maximum output current with comparable input and output voltage ranges.

In conclusion, the SMZJ3808BHE3/5B serves as a reliable voltage regulation solution for various electronic applications, offering a balance of efficiency and compactness. Its wide input voltage range and integrated protection features make it a versatile choice for designers seeking efficient power management solutions.

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