AP1117E33L-13

Product Overview

Category

AP1117E33L-13 belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output voltage accuracy
• Low quiescent current
• Overcurrent and thermal protection

Package

AP1117E33L-13 is available in a TO-252 package.

Essence

The essence of AP1117E33L-13 lies in its ability to provide a stable and regulated output voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V - 12V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Dropout Voltage: 1.2V (typical)
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AP1117E33L-13 has three pins:

1. Vin (Input Voltage): Connects to the input voltage source.
2. Vout (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Common reference point for the circuit.

Functional Features

• Voltage Regulation: AP1117E33L-13 ensures a stable output voltage despite variations in the input voltage.
• Overcurrent Protection: It safeguards the circuit by limiting the output current during excessive loads.
• Thermal Protection: The regulator automatically shuts down if the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• Low dropout voltage allows efficient regulation even with small input-output voltage differentials.
• High output voltage accuracy ensures precise voltage regulation.
• Low quiescent current minimizes power consumption when the load is light.

Disadvantages

• Limited output current capacity (up to 1A) may not be suitable for high-power applications.
• The TO-252 package may require additional heat dissipation measures for certain operating conditions.

Working Principles

AP1117E33L-13 utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The voltage reference compares the output voltage with a fixed reference, and any deviation is amplified by the error amplifier. The pass transistor adjusts its resistance to maintain the desired output voltage despite changes in the input voltage or load conditions.

Detailed Application Field Plans

AP1117E33L-13 finds application in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP1117E33L-13 include: - LM1117-3.3 - LT1117-3.3 - MCP1703-3302E/DB

These alternatives can be considered based on specific requirements and availability.

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