LM2575-12BWM-TR

Product Overview

Category

The LM2575-12BWM-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate and control the output voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 12V
• Output Current: Up to 1A
• Efficiency: Up to 92%
• Switching Frequency: 52 kHz
• Operating Temperature Range: -40°C to +125°C

Package

The LM2575-12BWM-TR comes in a TO-263-7 package, also known as D²PAK or DDPAK.

Essence

This voltage regulator is designed to provide a stable and regulated 12V output voltage from a wide range of input voltages.

Packaging/Quantity

The LM2575-12BWM-TR is typically available in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.75V to 40V
• Output Voltage: 12V
• Output Current: Up to 1A
• Switching Frequency: 52 kHz
• Efficiency: Up to 92%
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-7 (D²PAK)

Pin Configuration

The LM2575-12BWM-TR has the following pin configuration:

```

---

| | --| Vin GND |-- Pin 1: Ground --| Vout NC |-- Pin 2: No Connection --| FB NC |-- Pin 3: No Connection --| ON/OFF NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC Vin |-- Pin 7: Input Voltage |___________| ```

Functional Features

• Wide input voltage range allows for flexibility in various applications.
• High efficiency ensures minimal power loss during voltage regulation.
• Overcurrent and thermal protection mechanisms safeguard the circuit and the regulator.
• Adjustable output voltage through external resistors.
• Low standby current consumption.

Advantages

• Compact and space-saving package design.
• Wide operating temperature range enables usage in extreme environments.
• High efficiency reduces energy waste and heat generation.
• Easy to integrate into existing circuits due to its simple pin configuration.
• Cost-effective solution for voltage regulation needs.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external components for proper operation.
• Switching frequency may introduce noise in sensitive applications.

Working Principles

The LM2575-12BWM-TR is a step-down switching voltage regulator. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The input voltage is first stepped down to a lower voltage using an internal switch and an inductor. This lower voltage is then filtered and regulated to provide a stable 12V output.

Detailed Application Field Plans

The LM2575-12BWM-TR can be used in various applications, including but not limited to:

1. Power supply modules for microcontrollers and other digital ICs.
2. Battery charging circuits.
3. Automotive electronics.
4. Industrial automation systems.
5. LED lighting applications.
6. Portable electronic devices.

Detailed and Complete Alternative Models

1. LM2596-12V: Similar to LM2575-12BWM-TR, but with higher output current capacity (up to 3A).
2. LM317: Linear voltage regulator with adjustable output voltage.
3. LM7805: Fixed 5V linear voltage regulator.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the LM2575-12BWM-TR is a versatile voltage regulator that provides stable and regulated 12V output voltage. Its wide input voltage range, high efficiency, and compact package make it an ideal choice for various electronic applications. However, it has limitations in terms of output current capacity and requires external components for operation. Users can consider alternative models based on their specific needs.