LM25101AM/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8 (Small Outline Package)

Essence: The LM25101AM/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage from a wide range of input voltages. It is commonly used in various electronic devices to ensure proper power supply.

Packaging/Quantity: The LM25101AM/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 1.23V to 37V
• Output Current: Up to 1A
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM25101AM/NOPB has the following pin configuration:

```

---

| | --| VIN GND|-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: Not Connected --| COMP VREF|-- Pin 4: Voltage Reference --| SS PGND|-- Pin 5: Power Ground --| RT SYNC|-- Pin 6: Synchronization --| CT PGND|-- Pin 7: Power Ground --| BST SW |-- Pin 8: Switch Node |___________| ```

Functional Features

• High Efficiency: The LM25101AM/NOPB offers high efficiency, minimizing power loss and maximizing energy conversion.
• Wide Input Voltage Range: It can accept input voltages ranging from 4.5V to 42V, making it suitable for a wide range of applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.23V to 37V, providing flexibility in different scenarios.
• Low Quiescent Current: With a quiescent current of only 40µA, the LM25101AM/NOPB minimizes power consumption during standby or low-load conditions.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit and connected devices from excessive current flow.
• Thermal Shutdown Protection: It features thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Low quiescent current minimizes power consumption - Overcurrent and thermal shutdown protection enhance safety

Disadvantages: - Limited output current capability (up to 1A) - Requires external components for operation

Working Principles

The LM25101AM/NOPB operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage. By adjusting the duty cycle of the PWM signal, the IC controls the average output voltage. This regulation is achieved by comparing the feedback voltage with a reference voltage and adjusting the duty cycle accordingly.

Detailed Application Field Plans

The LM25101AM/NOPB finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Telecommunications - Power supplies - Battery-powered systems

Detailed and Complete Alternative Models

Some alternative models to the LM25101AM/NOPB include: - LM2576 - LM2596 - LM317 - LT1083

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

Word count: 416 words