LP3972SQE-A514

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP3972SQE-A514 has a total of 16 pins. The pin configuration is as follows:

1. EN - Enable Pin
2. VIN - Input Voltage Pin
3. VOUT - Output Voltage Pin
4. GND - Ground Pin
5. FB - Feedback Pin
6. NC - No Connection
7. NC - No Connection
8. NC - No Connection
9. NC - No Connection
10. NC - No Connection
11. NC - No Connection
12. NC - No Connection
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection

Functional Features

• High efficiency voltage regulation
• Low power consumption
• Overcurrent protection
• Thermal shutdown protection
• Short-circuit protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for versatile applications
• Compact package size saves board space
• Built-in protection features enhance reliability

Disadvantages

• Limited maximum output current of 1A
• Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The LP3972SQE-A514 is a voltage regulator IC that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage between 0.8V and 3.6V. It achieves this by utilizing internal circuitry to maintain a stable output voltage regardless of changes in the input voltage or load conditions. The IC operates with high efficiency, minimizing power losses and maximizing battery life.

Detailed Application Field Plans

The LP3972SQE-A514 is commonly used in various electronic devices and systems where efficient power management is crucial. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players
2. Wearable Electronics: Smartwatches, fitness trackers
3. IoT (Internet of Things) Devices: Sensors, wireless modules
4. Portable Gaming Consoles
5. Medical Devices: Portable medical equipment, monitoring devices

Detailed and Complete Alternative Models

1. LP3972SQE-B514
2. LP3972SQE-C514
3. LP3972SQE-D514
4. LP3972SQE-E514

These alternative models are similar to the LP3972SQE-A514 but may have slight variations in specifications or package options.

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