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Microchip Adjustable Switching Regulator Through Hole 12V Output Voltage 3A Output Current LM2576-12WT
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Efficiency | 80% |
| Length | 10.16mm |
| Model | LM2576-12WT |
| Depth | 14.68mm |
| Width | 4.5mm |
| Mount Type | Through Hole |
| Series | LM2576 |
| Output Current | 3A |
| Maximum Operating Temperature | 85°C |
| Package Type | TO-220 |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 40V |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 4V |
| Number of Pins | 5 |
| Output Voltage 1 | 12V |
| Wide Input Voltage Range | 4V to 40V |
| Adjustable version | ±2% max. Feedback voltage |
| Fixed version | ±3% max. Output voltage |
Key Features
- Features a TO-220 package with 5 pins for through-hole mounting.
- Operates within a wide input voltage range of 4V to 40V.
- Provides up to 3A guaranteed output current with typical efficiency of 80% or higher.
- Includes thermal shutdown and current limit protection for reliability.
- Adjustable output voltage with ±2% max feedback voltage accuracy.
- Fixed frequency operation at 52kHz for stable performance.
- Low standby current typically less than 200μA reduces power consumption.
- Designed for use in isolated flyback, negative boost, and inverting buck-boost converters.
Product Description
Microchip LM2576-12WT adjustable switching regulator is a through-hole mounted power management IC in a TO-220 package featuring 5 pins. It provides a stable 12V output voltage at up to 3A output current, achieved with a fixed 52kHz internal oscillator and guaranteed over a wide input voltage range from 4V to 40V.
This monolithic regulator integrates thermal shutdown, current limit protection, and low standby current (~200μA), enabling it to deliver high efficiency typically around 80% which helps reduce system thermal dissipation.
The adjustable version ensures output voltage accuracy with a maximum ±2% feedback voltage tolerance, making it suitable for demanding industrial power supply designs.
The LM2576-12WT is ideal for applications such as efficient pre-regulators for linear regulators, isolated flyback converters requiring minimal external components, negative boost converters, and inverting buck-boost power supplies.
Its compact TO-220 form factor with through-hole mount ensures easy integration in power supply boards. The device complies with RoHS standards, assuring environmental safety. TO-220 package with through-hole mounting and 5 pins for robust installation.
Wide input voltage range from 4V to 40V supports diverse power sources. Thermal and current limit protections enhance device reliability. Adjustable output voltage with ±2% maximum feedback voltage accuracy. Low standby current lowers overall power consumption in circuits.
Typical efficiency of 80% reduces wasted power and heat. Applications include isolated flyback, negative boost, and inverting buck-boost converters. RoHS compliant for eco-friendly manufacturing and disposal.
This switching regulator is well suited for industrial electronics, power supply design and manufacturing, laboratory equipment, and other commercial electronic systems requiring efficient voltage regulation.
Browse EnvMart's extensive catalog for additional Microchip power management products and Switching Regulators to complement your industrial and laboratory requirements.
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Frequently Asked Questions
This model provides a stable output voltage of 12V with a maximum output current of 3A.
It operates within a wide input voltage range of 4V to 40V.
The typical efficiency of this unit is around 80%.
The dimensions of the TO-220 package are 10.16mm in length, 14.68mm in depth, and 4.5mm in width.
It includes thermal shutdown and current limit protection for enhanced reliability.
The maximum operating temperature is 85°C.
The minimum operating temperature is -40°C.
This switching regulator features a total of 5 pins for through-hole mounting.
The adjustable version offers a maximum feedback voltage accuracy of ±2%.
Yes, the LM2576-12WT complies with RoHS standards, ensuring environmental safety.
It is suitable for applications such as isolated flyback converters, negative boost converters, and inverting buck-boost power supplies.
This model uses a through-hole mounting type for installation.
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