SMPZ3929B-E3/84A

Product Overview

Category

The SMPZ3929B-E3/84A belongs to the category of semiconductor devices.

Use

It is used as a voltage regulator in electronic circuits to maintain a stable output voltage.

Characteristics

• High precision
• Low dropout voltage
• Thermal shutdown protection
• Overcurrent protection

Package

The SMPZ3929B-E3/84A is available in a small outline package (SOP) for surface mount applications.

Essence

The essence of SMPZ3929B-E3/84A lies in its ability to regulate voltage with high accuracy and efficiency.

Packaging/Quantity

It is typically packaged in reels containing a specific quantity, usually 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Dropout Voltage: 0.6V at 1A
• Operating Temperature Range: -40°C to 125°C
• Output Current: 1.5A

Detailed Pin Configuration

The SMPZ3929B-E3/84A has a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. NC (No Connection) 5. EN (Enable)

Functional Features

• Precise voltage regulation
• Overcurrent and thermal shutdown protection
• Low dropout voltage for efficient operation
• Enable pin for control

Advantages

• High precision and accuracy
• Wide input voltage range
• Compact SOP package for space-constrained designs
• Built-in protection features enhance reliability

Disadvantages

• Limited maximum output current compared to some alternatives
• Higher dropout voltage under heavy loads

Working Principles

The SMPZ3929B-E3/84A operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output voltage. When the temperature or current exceeds safe limits, the device activates its protection mechanisms to prevent damage.

Detailed Application Field Plans

The SMPZ3929B-E3/84A is well-suited for various applications including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to SMPZ3929B-E3/84A include: - LM2940 - LT1086 - ADP3338

These alternatives offer similar voltage regulation capabilities with varying specifications and package options.

In conclusion, the SMPZ3929B-E3/84A is a versatile voltage regulator with precise regulation, built-in protection features, and a compact package, making it suitable for a wide range of electronic applications.

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