SMPZ3919B-E3/84A

Product Overview

Category

The SMPZ3919B-E3/84A belongs to the category of semiconductor devices.

Use

This product is commonly used in electronic circuits for voltage regulation and power management.

Characteristics

• High efficiency
• Low power consumption
• Wide input voltage range
• Overcurrent protection

Package

The SMPZ3919B-E3/84A is typically available in a small outline package (SOP) with 8 pins.

Essence

This device serves as a crucial component in ensuring stable and regulated power supply within electronic systems.

Packaging/Quantity

The SMPZ3919B-E3/84A is usually packaged in reels containing a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to 125°C
• Dropout Voltage: 0.5V at 1A

Detailed Pin Configuration

1. Vin (Input Voltage)
2. GND (Ground)
3. Vout (Output Voltage)
4. Feedback
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. Enable

Functional Features

• Built-in thermal shutdown
• Short-circuit protection
• Adjustable output voltage
• Low quiescent current

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency contributes to energy savings
• Overcurrent protection enhances system reliability

Disadvantages

• Limited maximum output current compared to some alternative models
• May require additional external components for specific applications

Working Principles

The SMPZ3919B-E3/84A operates based on a feedback control mechanism, where it compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output.

Detailed Application Field Plans

This device is widely used in: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunication equipment

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM317 - LT1083 - LM2940

In conclusion, the SMPZ3919B-E3/84A is a versatile semiconductor device that offers efficient voltage regulation and power management capabilities. Its wide input voltage range and built-in protection features make it suitable for various electronic applications, despite its limitations in maximum output current. When considering alternatives, the LM317, LT1083, and LM2940 are viable options with their own unique characteristics and specifications.

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