GDZ33B-HE3-18

Product Overview

Category

GDZ33B-HE3-18 belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits and devices.

Characteristics

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 300mV at 500mA
• Package Type: SOT-223
• Operating Temperature Range: -40°C to 125°C

Package

The GDZ33B-HE3-18 comes in a SOT-223 package.

Essence

The essence of GDZ33B-HE3-18 lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The GDZ33B-HE3-18 is typically available in reels with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Line Regulation: 0.2% typical
• Load Regulation: 1% typical
• Quiescent Current: 5mA
• Shutdown Current: 1μA
• Thermal Shutdown Protection

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage
• Thermal Shutdown Protection
• Short Circuit Protection
• Reverse Polarity Protection

Advantages

• Wide Input Voltage Range
• Low Dropout Voltage
• Thermal Shutdown Protection ensures device safety
• Small SOT-223 package for space-constrained applications

Disadvantages

• Relatively higher quiescent current compared to some alternatives
• Limited maximum output current compared to higher power regulators

Working Principles

The GDZ33B-HE3-18 utilizes a precision reference, error amplifier, and power pass element to maintain a constant output voltage despite variations in input voltage and load conditions. The thermal shutdown protection ensures that the device operates within safe temperature limits.

Detailed Application Field Plans

The GDZ33B-HE3-18 is suitable for various battery-powered and portable electronic devices, including: - Mobile phones - Portable media players - Handheld gaming consoles - Portable medical devices

Detailed and Complete Alternative Models

Some alternative models to GDZ33B-HE3-18 include: - LM1117-3.3 - MCP1703-3302E - AP2112K-3.3

In conclusion, the GDZ33B-HE3-18 voltage regulator offers a reliable solution for maintaining stable voltage in a wide range of electronic applications, especially those requiring low dropout voltage and thermal protection. While it has certain limitations, its functional features and characteristics make it a valuable component in various electronic designs.

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