AP7217A-33SG-13

Product Overview

Category

AP7217A-33SG-13 belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Low Quiescent Current: 50µA (typical)
• Package Type: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Package and Quantity

The AP7217A-33SG-13 is available in a SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical) at 100mA load
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 50µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AP7217A-33SG-13 has five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: NC (No Connection) Pin 5: VOUT (Output Voltage)

Functional Features

• Low dropout voltage for efficient regulation.
• Wide input voltage range allows for versatile applications.
• Low quiescent current ensures minimal power consumption.
• Good line and load regulation for stable output voltage.
• Excellent ripple rejection ratio for noise-sensitive applications.
• Enable pin for easy on/off control.

Advantages

• Compact SOT-23-5 package for space-constrained designs.
• Wide operating temperature range for reliable performance in various environments.
• Low dropout voltage minimizes power dissipation.
• Low quiescent current extends battery life in portable devices.
• Good line and load regulation ensures stable output voltage.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• No connection (NC) pin may require additional attention during PCB layout.

Working Principles

The AP7217A-33SG-13 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is the minimum voltage difference required between the input and output for proper regulation.

Detailed Application Field Plans

The AP7217A-33SG-13 can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Consumer electronics: Suitable for powering audio amplifiers, LED drivers, and display modules.
3. Industrial equipment: Used in control systems, motor drives, and instrumentation circuits.
4. Automotive electronics: Provides stable voltage for infotainment systems, lighting modules, and sensors.
5. Communication devices: Ideal for voltage regulation in routers, modems, and wireless transceivers.

Alternative Models

1. AP7217A-33SG-18: Output voltage of 1.8V instead of 3.3V.
2. AP7217A-33SG-50: Output voltage of 5.0V instead of 3.3V.
3. AP7217A-33SG-ADJ: Adjustable output voltage within a specified range.

These alternative models offer different output voltages to suit specific application requirements.

In conclusion, the AP7217A-33SG-13 is a voltage regulator with a wide input voltage range, low dropout voltage, and excellent line and load regulation. It is commonly used in various electronic applications and offers advantages such as compact size, low power consumption, and stable output voltage. However, it has limitations in terms of maximum output current and the presence of a no connection pin. Alternative models are available with different output voltage options.