AP1117K15L-13

Product Overview

The AP1117K15L-13 belongs to the category of low dropout (LDO) linear voltage regulators. It is commonly used to provide a stable output voltage for various electronic devices and circuits. The characteristics of this product include its low dropout voltage, high accuracy, and thermal shutdown protection. It is typically packaged in a small surface-mount package and is available in various quantities.

Specifications

• Input Voltage: 2.5V to 15V
• Output Voltage: 1.5V
• Maximum Output Current: 1A
• Dropout Voltage: 1.1V at 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The AP1117K15L-13 typically has three pins: input, output, and ground. The pinout configuration is as follows: - Pin 1 (Input): Connects to the input voltage source - Pin 2 (Ground): Connected to the ground reference - Pin 3 (Output): Provides the regulated output voltage

Functional Features

• Low dropout voltage
• High accuracy over line and load variations
• Thermal shutdown protection
• Short-circuit current limit

Advantages and Disadvantages

Advantages: - Stable output voltage - Suitable for low-power applications - Thermal protection enhances reliability

Disadvantages: - Limited maximum output current - Higher dropout voltage compared to some alternatives

Working Principles

The AP1117K15L-13 operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage. When the input voltage is close to the output voltage, the dropout voltage is minimized, allowing for efficient regulation.

Detailed Application Field Plans

This voltage regulator is commonly used in battery-powered devices, sensor modules, and portable electronics where a stable low-voltage power supply is required. Its low dropout voltage makes it suitable for applications with limited input voltage headroom.

Detailed and Complete Alternative Models

Some alternative models to the AP1117K15L-13 include the LM1117, LT1763, and MCP1700 series of LDO voltage regulators. These alternatives offer similar functionality with varying dropout voltages, output currents, and package sizes to suit different application requirements.

In conclusion, the AP1117K15L-13 is a reliable low dropout voltage regulator suitable for various low-power electronic applications, despite its limitations in maximum output current. Its thermal protection and high accuracy make it a popular choice for designers seeking stable voltage regulation in their circuits.

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