Overview
The LM2575-5.0YN from Microchip Technology is a robust and highly efficient step-down (buck) switching voltage regulator. This component is part of the LM2575 series, known for its simplicity and minimal external component requirements. It is designed to deliver a fixed output voltage of 5V with an output current of up to 1A. The LM2575-5.0YN is ideal for various applications, including consumer electronics, embedded systems, and industrial hardware, due to its ease of use, reliability, and comprehensive protection features.
Key Specifications
| Attribute | Description |
|---|---|
| Manufacturer | Microchip Technology |
| Part Number | LM2575-5.0YN |
| Package | PDIP-16 |
| Topology | Buck |
| Input Voltage Range | 4V to 40V |
| Output Voltage | 5V (fixed) |
| Output Current (Max) | 1A |
| Switching Frequency (Max) | 52kHz |
| Mounting Method | Through Hole |
| Operating Junction Temperature Range | –40°C to 125°C |
| Thermal Shutdown | Yes |
| ON/OFF Pin | Active low enable |
Key Features
- High Efficiency: The LM2575-5.0YN offers high efficiency in converting input voltage to a stable 5V output.
- Minimal External Components: Requires only four to six external components for operation, simplifying the design of switch-mode power supplies.
- Wide Input Voltage Range: Operates over an input voltage range of 4V to 40V.
- Fixed Output Voltage: Provides a fixed output voltage of 5V.
- Current Limiting and Thermal Shutdown: Features cycle-by-cycle current limiting and thermal shutdown for protection.
- ON/OFF Control: Includes an active low enable pin for manual shutdown.
- Low Quiescent Current: Has a low quiescent current, making it suitable for battery-powered applications.
Applications
- Consumer Electronics: Suitable for use in various consumer electronic devices due to its efficiency and reliability.
- Embedded Systems: Ideal for embedded systems requiring stable and efficient power supply solutions.
- Industrial Hardware: Used in industrial applications where robust and reliable power regulation is necessary.
- On-Card Switching Regulators: Can be used as on-card switching regulators for local power supply needs.
- Pre-Regulator for Linear Regulators: Can serve as a pre-regulator for linear regulators to improve overall system efficiency.
- Positive-to-Negative Converter (Buck-Boost): Can be configured as a buck-boost converter for converting positive to negative voltages.
Q & A
- What is the output voltage of the LM2575-5.0YN?
The LM2575-5.0YN has a fixed output voltage of 5V.
- What is the maximum output current of the LM2575-5.0YN?
The maximum output current is 1A.
- What is the input voltage range of the LM2575-5.0YN?
The input voltage range is from 4V to 40V.
- What is the switching frequency of the LM2575-5.0YN?
The switching frequency is up to 52kHz.
- Does the LM2575-5.0YN have thermal shutdown protection?
Yes, it features thermal shutdown protection.
- How many external components are typically required for the LM2575-5.0YN to operate?
It typically requires four to six external components for operation.
- What is the package type of the LM2575-5.0YN?
The package type is PDIP-16.
- What is the mounting method for the LM2575-5.0YN?
The mounting method is through-hole.
- What are some common applications for the LM2575-5.0YN?
Common applications include consumer electronics, embedded systems, and industrial hardware.
- Does the LM2575-5.0YN have an ON/OFF control pin?
Yes, it has an active low enable pin for manual shutdown.
