AP7340D-31FS4-7

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage
Package: SOT-223
Essence: Linear Regulator
Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP7340D-31FS4-7 has four pins in the SOT-223 package:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. FB (Pin 3): Feedback pin for setting the output voltage.
4. VOUT (Pin 4): Output voltage pin.

Functional Features

• High efficiency with low dropout voltage.
• Excellent line and load regulation.
• Low quiescent current, suitable for battery-powered applications.
• Thermal shutdown and current limit protection.
• Fast transient response.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss. - Low dropout voltage allows for a wide input voltage range. - Excellent line and load regulation provide stable output voltage. - Thermal shutdown and current limit protection enhance reliability.

Disadvantages: - Limited maximum output current of 500mA. - Requires external components for stability and filtering.

Working Principles

The AP7340D-31FS4-7 is a linear regulator that regulates the output voltage by dissipating excess energy as heat. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance. This adjustment ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The AP7340D-31FS4-7 is commonly used in various electronic devices, including:

1. Mobile phones and smartphones.
2. Portable media players.
3. Digital cameras.
4. Wireless communication modules.
5. Battery-powered devices.
6. Industrial control systems.

Detailed and Complete Alternative Models

1. AP7312-33SAG-7: 300mA, SOT-23 package.
2. AP7361C-33ERG-7: 500mA, SOT-89 package.
3. AP7335-33SRG-7: 500mA, SOT-223 package.
4. AP7313-33SAG-7: 300mA, SOT-23 package.
5. AP7361C-33SPG-7: 500mA, SOT-89 package.

These alternative models offer similar functionality and characteristics to the AP7340D-31FS4-7, providing flexibility for different design requirements.

In conclusion, the AP7340D-31FS4-7 is a high-efficiency voltage regulator with low dropout voltage. Its compact SOT-223 package and excellent performance make it suitable for various applications in consumer electronics, industrial control systems, and battery-powered devices.