LP2996LQX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-performance, low-dropout linear regulator
• Package: QFN (Quad Flat No-Lead)
• Essence: Provides a stable output voltage for various electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V to 7V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LP2996LQX has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion
• Excellent line and load regulation for stable output voltage
• Built-in thermal shutdown protection
• Short-circuit and overcurrent protection
• Fast transient response for sudden load changes

Advantages

• Wide input voltage range allows compatibility with various power sources
• Low quiescent current minimizes power consumption
• Small package size saves board space
• Robust protection features enhance device reliability

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Dropout voltage may cause efficiency loss in certain scenarios

Working Principles

The LP2996LQX is a linear voltage regulator that maintains a constant output voltage regardless of variations in the input voltage or load conditions. It utilizes a pass transistor to regulate the output voltage by adjusting its resistance based on feedback from a voltage reference circuit. This ensures a stable and accurate output voltage for connected electronic devices.

Detailed Application Field Plans

The LP2996LQX is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearables.
2. Automotive systems: Ensures stable voltage for automotive infotainment systems, lighting modules, and other onboard electronics.
3. Industrial equipment: Used in control systems, sensors, and motor drivers to maintain consistent power supply.
4. Communication devices: Enables reliable power delivery in routers, modems, and wireless access points.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable linear voltage regulator with similar specifications and package.
2. LT1763-3.3: Low dropout linear regulator offering higher maximum output current.
3. TPS7A4700: Ultra-low noise linear regulator suitable for sensitive audio or measurement applications.

(Note: The above alternative models are provided for reference purposes and may have different characteristics or package options.)

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