LM3708XQTP-308/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: TO-220-7L

Essence: The LM3708XQTP-308/NOPB is a power management IC designed to regulate and control voltage in various electronic devices.

Packaging/Quantity: The LM3708XQTP-308/NOPB is typically packaged in a TO-220-7L package. It is available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Dropout Voltage: 0.4V at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM3708XQTP-308/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage
5. EN: Enable pin for turning the IC on/off
6. FB: Feedback pin for regulating the output voltage
7. NC: No connection pin

Functional Features

• High efficiency voltage regulation
• Adjustable output voltage for flexibility
• Thermal shutdown protection prevents overheating
• Overcurrent protection safeguards against excessive current flow

Advantages

• Wide input voltage range allows for versatile applications
• Low dropout voltage minimizes power loss
• Adjustable output voltage accommodates different device requirements
• Thermal shutdown and overcurrent protection enhance reliability

Disadvantages

• Limited maximum output current of 500mA
• Quiescent current of 75µA may affect battery life in low-power applications

Working Principles

The LM3708XQTP-308/NOPB operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a desired output voltage using feedback control. The adjustable pin (ADJ) allows users to set the desired output voltage. The IC also incorporates thermal shutdown and overcurrent protection mechanisms to ensure safe operation.

Detailed Application Field Plans

The LM3708XQTP-308/NOPB is commonly used in various electronic devices that require regulated power supply, such as: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LM1117: Fixed voltage regulator with low dropout voltage.
3. LM7805: Fixed 5V voltage regulator commonly used in many applications.

These alternative models offer similar functionality to the LM3708XQTP-308/NOPB and can be considered based on specific application requirements.

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