LM5056APMHX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage regulator and protection device for power management applications

Characteristics: - High voltage input range - Wide operating temperature range - Overvoltage and undervoltage protection - Adjustable output voltage - Current limiting and thermal shutdown features

Package: PowerPAD HTSSOP-20

Essence: The LM5056APMHX/NOPB is a highly efficient voltage regulator and protection IC designed for various power management applications. It provides reliable voltage regulation, overvoltage/undervoltage protection, and current limiting capabilities.

Packaging/Quantity: The LM5056APMHX/NOPB is available in a PowerPAD HTSSOP-20 package. It is typically sold in reels of 250 units.

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: 0.8V to 60V
• Maximum Continuous Output Current: 1A
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2.5mA (typical)
• Dropout Voltage: 300mV (typical)

Pin Configuration

The LM5056APMHX/NOPB has the following pin configuration:

```

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| | --| VIN | --| GND | --| FB | --| EN | --| SS | --| PG | --| VOUT | --| COMP | --| UVLO | --| OVLO | --| ILIM | --| RT/CT | --| CT/RT | --| PGND | --| PGND | --| PGND | --| PGND | --| PGND | |___________| ```

Functional Features

1. Voltage Regulation: The LM5056APMHX/NOPB provides adjustable output voltage regulation, allowing precise control over the desired voltage level.
2. Overvoltage and Undervoltage Protection: It incorporates built-in protection mechanisms to prevent damage from overvoltage and undervoltage conditions, ensuring the safety of connected devices.
3. Current Limiting: The IC features current limiting functionality, which helps protect the circuitry from excessive current flow, preventing potential damage.
4. Thermal Shutdown: In case of excessive temperature rise, the LM5056APMHX/NOPB activates thermal shutdown to safeguard against overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with various power sources. - High efficiency design minimizes power losses. - Comprehensive protection features enhance system reliability. - Adjustable output voltage allows flexibility in different applications.

Disadvantages: - Limited maximum continuous output current (1A). - Requires external components for proper operation. - Relatively high quiescent current compared to some other voltage regulators.

Working Principles

The LM5056APMHX/NOPB operates by regulating the input voltage to a desired output voltage level using a feedback mechanism. It continuously monitors the output voltage and adjusts the internal circuitry to maintain the set voltage. Additionally, it incorporates protection features such as overvoltage and undervoltage detection, current limiting, and thermal shutdown to ensure safe and reliable operation.

Application Field Plans

The LM5056APMHX/NOPB is widely used in various power management applications, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Renewable energy systems - Battery charging circuits

Alternative Models

1. LM5056APMH/NOPB: Similar to LM5056APMHX/NOPB, but without the PowerPAD HTSSOP-20 package.
2. LM5056APM/NOPB: Similar to LM5056APMHX/NOPB, but without the PowerPAD feature.

These alternative models offer similar functionality and can be considered as substitutes for the LM5056APMHX/NOPB depending on specific requirements.

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