LP5550SQ/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency voltage regulator
  • Low dropout voltage
  • Small package size
• Package: SQ (Surface Mount)
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP5550SQ/NOPB has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. VOUT: Output Voltage

Functional Features

• High efficiency voltage regulation for various applications
• Low dropout voltage ensures stable output even with low input voltage
• Enable pin for easy on/off control
• Overcurrent and thermal protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Small package size saves board space - Wide input voltage range allows flexibility in design - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 500mA - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The LP5550SQ/NOPB is a voltage regulator IC that regulates the input voltage to a stable output voltage within a specified range. It achieves this by utilizing internal circuitry to maintain a constant voltage despite fluctuations in the input voltage. The enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

The LP5550SQ/NOPB is suitable for various applications that require stable voltage regulation, such as:

1. Battery-powered devices
2. Portable electronics
3. IoT devices
4. Wearable devices
5. Embedded systems

Detailed and Complete Alternative Models

1. LP5560SQ/NOPB: Similar to LP5550SQ/NOPB but with higher maximum output current of 600mA.
2. LP5545SQ/NOPB: Similar to LP5550SQ/NOPB but with lower maximum output current of 450mA.
3. LP5580SQ/NOPB: Similar to LP5550SQ/NOPB but with higher maximum output current of 800mA.

These alternative models provide options with varying output currents to suit different application requirements.

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