LM25085QMYE/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN (Quad Flat No-leads)

Essence: The LM25085QMYE/NOPB is a voltage regulator IC designed to provide a regulated output voltage from a wide range of input voltages. It offers high efficiency and various protection features, making it suitable for a wide range of applications.

Packaging/Quantity: The LM25085QMYE/NOPB is available in a QFN package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Output Current: Up to 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM25085QMYE/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. PG: Power Good pin indicating the output voltage is within regulation
7. VOUT: Output voltage pin
8. SW: Switching node pin for connecting the external inductor

Functional Features

• Wide input voltage range allows operation in various power supply systems.
• Adjustable output voltage provides flexibility for different application requirements.
• High efficiency minimizes power loss and improves overall system performance.
• Overcurrent protection safeguards the regulator and connected devices from excessive current.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Wide input voltage range makes it suitable for a variety of power supply systems.
• Adjustable output voltage allows customization for specific application needs.
• High efficiency reduces power consumption and heat dissipation.
• Overcurrent and thermal protection features enhance system reliability and safety.

Disadvantages

• The QFN package may require specialized equipment for soldering and rework.
• Limited output current may not be sufficient for high-power applications.

Working Principles

The LM25085QMYE/NOPB is a buck (step-down) voltage regulator. It uses a switching mechanism to convert the higher input voltage to a lower regulated output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage. Feedback from the FB pin is used to regulate the output voltage by adjusting the duty cycle.

Detailed Application Field Plans

The LM25085QMYE/NOPB can be used in various applications, including but not limited to: 1. Automotive electronics 2. Industrial automation 3. Telecommunications equipment 4. Power management systems 5. Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM25085QMYE/NOPB include: 1. LM2596S-ADJ 2. LT1763-3.3 3. TPS54331-Q1 4. ADP2303ARDZ-5.0 5. MAX15062

These models can be considered as alternatives based on specific application requirements and availability.

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