AP7341D-33FS4-7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limit
• Package: SOT-223
• Essence: Power management solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 200mV typical at 1A
• Quiescent Current: 120µA typical
• Line Regulation: ±0.2% typical
• Load Regulation: ±0.4% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AP7341D-33FS4-7 IC has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows for powering various loads.
• Thermal shutdown protection prevents overheating.
• Short-circuit current limit protects the IC from excessive current.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power dissipation. - High output current capability supports a wide range of applications. - Thermal shutdown protection enhances reliability. - Short-circuit current limit safeguards the IC.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Quiescent current may be relatively high for some low-power applications.

Working Principles

The AP7341D-33FS4-7 is a voltage regulator IC that regulates the input voltage to a stable 3.3V output voltage. It utilizes a low dropout architecture, which allows it to maintain regulation even when the input voltage is close to the desired output voltage. The IC incorporates internal circuitry for thermal shutdown protection and short-circuit current limiting, ensuring safe operation under various conditions.

Detailed Application Field Plans

The AP7341D-33FS4-7 is commonly used in applications where a stable 3.3V power supply is required. Some of its typical application fields include:

1. Consumer Electronics: Powering microcontrollers, sensors, and other digital components.
2. Communication Systems: Providing regulated voltage for RF modules, transceivers, and data communication devices.
3. Industrial Automation: Supporting control systems, motor drivers, and sensor interfaces.
4. Automotive Electronics: Powering infotainment systems, lighting modules, and various onboard electronics.

Detailed and Complete Alternative Models

1. AP7331D-33FS4-7: Similar to AP7341D-33FS4-7 but with a lower output current capability (up to 300mA).
2. AP7361D-33FS4-7: Higher output current capability (up to 1.5A) with similar characteristics and pin configuration.
3. LM1117-3.3: Industry-standard voltage regulator with comparable specifications and package options.

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