LE88264TQC

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency
  • Low power consumption
  • Compact size
• Package: Quad Flat No-Lead (QFN)
• Essence: Power management IC for various applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Quiescent Current: 20µA

Detailed Pin Configuration

The LE88264TQC has a total of 16 pins, which are assigned as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | EN | Enable pin | | 4 | FB | Feedback pin | | 5 | VOUT | Output voltage | | 6 | PG | Power good indicator | | 7 | SW | Switching node | | 8 | AGND | Analog ground | | 9 | COMP | Compensation pin | | 10 | SS | Soft-start pin | | 11 | BST | Boost pin | | 12 | PGND | Power ground | | 13 | LDO | Low-dropout regulator output | | 14 | VREF | Reference voltage | | 15 | NC | No connection | | 16 | NC | No connection |

Functional Features

• Integrated synchronous step-down converter
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Power good indicator
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact size allows for space-saving designs
• Wide input and output voltage range for versatile applications
• Overcurrent and thermal protection ensure device safety
• Power good indicator provides system status information

Disadvantages

• Limited maximum output current of 1.5A
• Operating temperature range may not be suitable for extreme environments

Working Principles

The LE88264TQC is a power management IC that utilizes a synchronous step-down converter to efficiently regulate the input voltage to a desired output voltage. It employs a feedback mechanism to continuously monitor and adjust the output voltage, ensuring stability and accuracy. The integrated protection features safeguard the device from overcurrent and excessive temperature, preventing damage to both the IC and the connected components.

Detailed Application Field Plans

The LE88264TQC finds applications in various fields where efficient power management is crucial. Some potential application areas include: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

• LE88265TQC: Similar to LE88264TQC with higher maximum output current of 2A
• LE88266TQC: Similar to LE88264TQC with additional features such as adjustable soft-start time and external compensation

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