SZBZX84C33LT3G

Product Overview

Category: Voltage Regulator
Use: Regulating voltage in electronic circuits
Characteristics: Low dropout, low quiescent current, high accuracy
Package: SOT-23
Essence: Integrated circuit for voltage regulation
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: 250mA
• Dropout Voltage: 300mV at 250mA
• Quiescent Current: 75µA
• Line Regulation: 0.2% typical
• Load Regulation: 1% typical

Detailed Pin Configuration

The SZBZX84C33LT3G has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground of the circuit. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Low dropout voltage allows for efficient regulation even with small voltage differentials.
• Low quiescent current minimizes power consumption during standby or idle modes.
• High accuracy ensures precise voltage regulation across varying loads and temperatures.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables regulation in low-power applications. - Low quiescent current prolongs battery life in portable devices. - High accuracy ensures stable performance in sensitive electronic systems.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SOT-23 package may require careful PCB layout for heat dissipation.

Working Principles

The SZBZX84C33LT3G utilizes a bandgap reference and error amplifier to compare the output voltage to a fixed internal reference. It adjusts the pass transistor to maintain a constant output voltage despite variations in input voltage and load current.

Detailed Application Field Plans

1. Battery-Powered Devices: Ideal for regulating voltage in portable electronics such as IoT sensors, wearables, and handheld instruments.
2. Embedded Systems: Suitable for providing stable voltage supply to microcontrollers, sensors, and communication modules in embedded applications.
3. Consumer Electronics: Can be used in audio equipment, digital cameras, and other consumer devices requiring precise voltage regulation.

Detailed and Complete Alternative Models

1. LM1117MPX-3.3/NOPB: Similar low-dropout voltage regulator with SOT-223 package.
2. XC6206P332MR-G: Ultra-low quiescent current LDO regulator in SOT-23 package.
3. TS2950CT-3.3: Low dropout voltage regulator with TO-220 package for higher power applications.

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