LM26480SQX-AA/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

Package: QFN (Quad Flat No-leads)

Essence: The LM26480SQX-AA/NOPB is a power management IC designed to efficiently regulate and control power in various electronic devices.

Packaging/Quantity: The LM26480SQX-AA/NOPB is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

The LM26480SQX-AA/NOPB has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 4A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM26480SQX-AA/NOPB has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

1. VIN: Input voltage pin
2. EN: Enable pin
3. PGND: Power ground pin
4. SW: Switching node pin
5. FB: Feedback pin
6. SS/TR: Soft-start/Tracking pin
7. VOUT: Output voltage pin
8. AGND: Analog ground pin
9. COMP: Compensation pin
10. BST: Bootstrap pin
11. PG: Power good pin
12. ILIM: Current limit pin
13. MODE: Mode selection pin
14. CLK: Clock synchronization pin
15. SYNC: Synchronization pin
16. VCC: Supply voltage pin
17. VREF: Reference voltage pin
18. SS/TR2: Soft-start/Tracking 2 pin
19. PGND2: Power ground 2 pin
20. NC: No connection pin

Functional Features

The LM26480SQX-AA/NOPB offers the following functional features:

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during operation.
• Low power consumption helps conserve energy.
• Multiple protection features such as overvoltage, undervoltage, and overcurrent protection enhance device safety.
• Soft-start and tracking functions enable smooth startup and output voltage tracking.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and longer battery life. - Wide input voltage range provides flexibility in power source selection. - Compact package size allows for space-saving designs. - Multiple protection features ensure device safety and reliability. - Soft-start and tracking functions improve system stability during startup.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The LM26480SQX-AA/NOPB operates based on a switching regulator topology. It uses a combination of internal control circuitry, power MOSFETs, and passive components to efficiently regulate the input voltage and provide a stable output voltage. The integrated protection features monitor the input and output conditions to prevent damage to the IC and connected devices.

Detailed Application Field Plans

The LM26480SQX-AA/NOPB is widely used in various electronic devices that require efficient power management. Some of its application fields include:

1. Portable electronic devices (e.g., smartphones, tablets, portable gaming consoles)
2. IoT devices
3. Wearable devices
4. Battery-powered devices
5. Industrial automation systems
6. Automotive electronics

Detailed and Complete Alternative Models

1. LM26480SQX-BB/NOPB
2. LM26481SQX-AA/NOPB
3. LM26482SQX-AA/NOPB
4. LM26483SQX-AA/NOPB
5. LM26484SQX-AA/NOPB

These alternative models offer similar functionality and characteristics to the LM26480SQX-AA/NOPB, providing options for different design requirements.

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