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Microchip High Side SMPS Start Up Power Switch IC 3-Pin TO-92 LR745N3-G
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 5.33mm |
| Length | 5.21mm |
| Model | LR745N3-G |
| Width | 4.13mm |
| Mount Type | Through Hole |
| Number of inputs | 1 |
| Series | LR745 |
| Maximum Operating Temperature | 150°C |
| Package Type | TO-92 |
| Minimum Operating Temperature | -55°C |
| Operating Current | 4mA |
| Number of outputs | 5 |
| Pin Count | 3 |
| Maximum Supply Voltage | 40V |
| Minimum Supply Voltage | 35V |
Key Features
- Operates with a minimum supply voltage of 35V and a maximum of 40V.
- Supports 5 output channels and 1 input channel for control.
- Through hole mount type suitable for PCB insertion.
- Compact dimensions with length 5.21mm, width 4.13mm, and height 5.33mm.
- Designed to operate in harsh environments with a temperature range from -55°C to 150°C.
- Operating current is low at 4mA supporting energy-efficient designs.
- Offers reliability with no specific automotive standard compliance but robust for general power management.
- Package type TO-92 provides easy handling and soldering in assembly lines.
Product Description
Microchip LR745N3-G High Side SMPS Start Up Power Switch IC in a 3-pin TO-92 package is engineered for power management applications requiring fast startup and efficient energy consumption. It operates between supply voltages of 35V to 40V, making it suitable for various power supply control tasks.
The device supports five outputs and one input, designed to interface effectively in switched-mode power supplies. Its through-hole mount enhances easy installation and replacement on PCBs.
With compact dimensions (5.21mm length, 4.13mm width, and 5.33mm height), this component suits space-constrained electronics assemblies. The low operational current of 4mA reduces power consumption and heat generation.
The IC withstands operating temperatures ranging from -55°C up to 150°C, enabling reliable operation in industrial, commercial, and electronic device environments even under thermal stress.
The TO-92 package is widely used in electronic component assemblies for its convenience and proven reliability. Although it lacks explicit automotive certification, it fits well in power management roles across industrial electronics, power supplies, and laboratory equipment controls.
Operates efficiently with low power consumption. Robust temperature tolerance for industrial applications. Compact and standardized package for easy PCB integration. Provides multiple output channels for versatile power switching.
Designed to support SMPS start-up requirements reliably. Suitable for general power management tasks in electronics circuits. Enables improved production efficiency through simple integration.
This product is a key component in power semiconductor and power management IC portfolios of Microchip, known for precision and reliability. It is widely applicable in power supply design, electronic switch circuits, and energy-efficient device systems.
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Frequently Asked Questions
This model operates with a minimum supply voltage of 35V and a maximum of 40V.
It supports five output channels and one input channel for control.
The dimensions are 5.21mm in length, 4.13mm in width, and 5.33mm in height.
It is designed to operate in temperatures ranging from -55°C to 150°C.
The operating current is low at 4mA, which supports energy-efficient designs.
It features a through-hole mount type suitable for PCB insertion.
This model comes in a TO-92 package type, which facilitates easy handling and soldering in assembly lines.
While it is robust for general power management, it does not have specific automotive standard compliance.
It belongs to the LR745 series of power management ICs.
It is suitable for various power supply control tasks, including electronic switch circuits and energy-efficient device systems.
This model has a pin count of 3.
The country of origin for this model is India.
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