Overview
The LM2596SX-12/J7001724-NS is a monolithic integrated circuit designed as a step-down switching regulator, commonly known as a buck converter. This component is manufactured by National Semiconductor, now part of Texas Instruments. It is ideally suited for easy and convenient design of switching regulator circuits, offering high efficiency and reliability. The LM2596 is widely used in various power supply applications due to its robust features and simplicity of design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | National Semiconductor | |
| Description | SWITCHING REGULATOR, VOLTAGE-MOD | |
| Maximum Supply Voltage (Vin) | 45 | V |
| Output Voltage to Ground (Steady-State) | -1.0 | V |
| Output Current (ILoad) | 3.0 | A |
| Oscillator Frequency (fosc) | 120 - 150 | kHz |
| Feedback Voltage (VFB) | 1.18 - 1.28 | V |
| Saturation Voltage (Vsat) | 1.5 - 2.0 | V |
| Operating Temperature Range | -40°C to +125°C | |
| Package/Case | TO-220, 5-Lead | |
| Thermal Resistance, Junction-to-Ambient (RJA) | 65 | °C/W |
Key Features
- High Efficiency: The LM2596 offers high efficiency in converting input voltage to output voltage, making it suitable for power-sensitive applications.
- Step-Down Converter: Designed as a buck converter, it efficiently steps down the input voltage to a lower output voltage.
- Current Limiting: Features current limiting to protect the device from overcurrent conditions.
- Thermal Shutdown: Includes thermal shutdown to prevent overheating and ensure reliable operation.
- ON/OFF Control: Provides an ON/OFF pin for easy control of the regulator's operation.
- Low Quiescent Current: Has a low quiescent current in standby mode, reducing power consumption when not in use.
Applications
- Power Supplies: Widely used in the design of switching power supplies due to its high efficiency and reliability.
- Embedded Systems: Suitable for use in embedded systems where efficient power management is crucial.
- Industrial Control Systems: Used in industrial control systems for stable and efficient voltage regulation.
- Consumer Electronics: Found in various consumer electronics where compact and efficient power solutions are required.
Q & A
- What is the maximum input voltage for the LM2596SX-12/J7001724-NS?
The maximum input voltage is 45 V.
- What is the maximum output current of the LM2596SX-12/J7001724-NS?
The maximum output current is 3.0 A.
- What is the operating temperature range for the LM2596SX-12/J7001724-NS?
The operating temperature range is -40°C to +125°C.
- What is the typical oscillator frequency of the LM2596SX-12/J7001724-NS?
The typical oscillator frequency is between 120 kHz and 150 kHz.
- Does the LM2596SX-12/J7001724-NS have thermal shutdown protection?
- How is the ON/OFF control implemented in the LM2596SX-12/J7001724-NS?
The ON/OFF control is implemented via an ON/OFF pin that allows for easy control of the regulator's operation.
- What is the feedback voltage range for the LM2596SX-12/J7001724-NS?
The feedback voltage range is between 1.18 V and 1.28 V.
- Is the LM2596SX-12/J7001724-NS RoHS compliant?
- What is the package type for the LM2596SX-12/J7001724-NS?
The package type is TO-220, 5-Lead.
- What is the thermal resistance, junction-to-ambient (RJA) for the LM2596SX-12/J7001724-NS?
The thermal resistance, junction-to-ambient (RJA) is 65 °C/W.
