AP7343-105W5-7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.05V
• Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP7343-105W5-7 has a total of five pins arranged in the following configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output differentials.
• High efficiency minimizes power dissipation and extends battery life.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device and connected components from overcurrent conditions.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Small package size enables space-saving designs. - Low quiescent current reduces power consumption during standby or idle modes.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Sensitive to input voltage fluctuations, requiring additional filtering components for stable operation.

Working Principles

The AP7343-105W5-7 is a voltage regulator IC that maintains a constant output voltage of 1.05V regardless of input voltage variations. It utilizes a feedback mechanism to continuously adjust the internal circuitry, ensuring a stable output even under changing load conditions. The dropout voltage is minimized to maximize efficiency and minimize power dissipation.

Detailed Application Field Plans

The AP7343-105W5-7 is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. Its low dropout voltage and high efficiency make it ideal for battery-powered applications where maximizing battery life is crucial. Additionally, its small package size allows for integration into space-constrained designs.

Detailed and Complete Alternative Models

• AP7333-105W5-7: Similar specifications and pin configuration, but with a lower quiescent current of 30µA.
• AP7363-105W5-7: Higher output current of 300mA, suitable for applications requiring more power.
• AP7313-105W5-7: Lower dropout voltage of 150mV at 100mA, providing better regulation under low input-output differentials.

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