LM3450AMT/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3450AMT/NOPB is a versatile integrated circuit designed for various applications in the field of power management. It offers precise control and monitoring capabilities, making it suitable for use in a wide range of electronic devices.

Characteristics: - High precision voltage and current regulation - Wide input voltage range - Low power consumption - Compact package size - Robust protection features

Package: The LM3450AMT/NOPB is available in a small surface-mount package, allowing for easy integration into circuit boards.

Essence: This IC serves as a key component in power management systems, providing efficient and reliable control over voltage and current levels.

Packaging/Quantity: The LM3450AMT/NOPB is typically sold in reels containing a specified quantity of ICs, ensuring convenient handling during manufacturing processes.

Specifications

• Input Voltage Range: 2.7V to 40V
• Output Voltage Range: 0.6V to 37V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM3450AMT/NOPB features a standard pin configuration with the following connections:

1. VIN: Input voltage
2. GND: Ground reference
3. VOUT: Output voltage
4. FB: Feedback pin for voltage regulation
5. EN: Enable pin for device activation
6. COMP: Compensation pin for stability control
7. SS: Soft-start pin for gradual output voltage rise
8. PGND: Power ground reference

Functional Features

• Precise voltage regulation: The LM3450AMT/NOPB ensures accurate and stable output voltage levels, allowing for reliable operation of connected devices.
• Current limiting: It incorporates current sensing and limiting mechanisms to protect both the IC and the load from excessive currents.
• Thermal shutdown: The IC includes a built-in thermal protection feature that shuts down the device in case of overheating, preventing damage.
• Soft-start functionality: The soft-start pin enables a gradual rise in output voltage, reducing stress on the system during startup.

Advantages and Disadvantages

Advantages: - High precision regulation - Wide input voltage range - Compact package size - Robust protection features

Disadvantages: - Limited maximum output current (1.5A)

Working Principles

The LM3450AMT/NOPB operates based on a feedback control mechanism. It continuously monitors the output voltage and adjusts the duty cycle of an internal switching regulator to maintain the desired voltage level. This feedback loop ensures precise voltage regulation under varying load conditions.

Application Field Plans

The LM3450AMT/NOPB finds applications in various fields, including but not limited to: - Power supplies for consumer electronics - LED lighting systems - Battery charging circuits - Industrial automation equipment - Automotive electronics

Alternative Models

• LM3478MT/NOPB
• LM3480IM3X-12/NOPB
• LM3490IM5-12/NOPB
• LM3524DM/NOPB
• LM358DR/NOPB

These alternative models offer similar functionality and can be considered as substitutes for the LM3450AMT/NOPB depending on specific requirements.

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