ADP1740ACPZ-1.2-R7

Product Overview

Category

ADP1740ACPZ-1.2-R7 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: ADP1740ACPZ-1.2-R7 comes in a compact surface-mount package.
• Essence: It is a high-performance, low-dropout linear regulator.
• Packaging/Quantity: The product is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications of ADP1740ACPZ-1.2-R7 are as follows:

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.2V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

ADP1740ACPZ-1.2-R7 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. FB: Feedback pin
6. VOUT: Output voltage pin

Functional Features

The functional features of ADP1740ACPZ-1.2-R7 include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power.
• Overcurrent and thermal protection: The regulator includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages

• High-performance voltage regulation
• Compact package size
• Wide input voltage range
• Low dropout voltage
• Low quiescent current

Disadvantages

• Limited maximum output current (300mA)
• Requires external bypass capacitor for optimal performance

Working Principles

ADP1740ACPZ-1.2-R7 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, even with variations in the input voltage.

Detailed Application Field Plans

ADP1740ACPZ-1.2-R7 finds applications in various electronic devices and systems, including:

1. Battery-powered devices: It can be used to regulate voltage in portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: The regulator is suitable for maintaining stable voltage levels in industrial automation and control systems.
3. Automotive electronics: It can be employed in automotive applications, ensuring consistent voltage supply to various components.

Detailed and Complete Alternative Models

Some alternative models to ADP1740ACPZ-1.2-R7 include:

1. LM1117-1.2: A popular low-dropout linear regulator with similar specifications.
2. LT1763-1.2: Another high-performance regulator offering low dropout voltage and precise output regulation.
3. TPS7A4700: A voltage regulator with higher output current capability and adjustable output voltage.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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