Overview
The ST1CC40DR from STMicroelectronics is a high-performance, monolithic step-down DC-DC converter designed to operate at a fixed switching frequency of 850 kHz. This device is engineered to function as a precise constant current source, making it suitable for a variety of applications requiring efficient and reliable power conversion. The ST1CC40DR is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) case, which is compact and easy to integrate into various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Topology | Buck (Step Down) |
| Input Voltage Min | 3 V |
| Input Voltage Max | 18 V |
| Output Current | 3 A |
| No. of Outputs | 1 |
| No. of Pins | 8 |
| DC / DC Converter IC Case | SOIC |
| Switching Frequency | 850 kHz |
| Operating Temperature Max | 150°C |
| MSL | MSL 3 - 168 hours |
| RoHS Compliant | Yes |
| SVHC | No SVHC (17-Dec-2015) |
Key Features
- High Efficiency: The ST1CC40DR operates at a high efficiency, making it suitable for applications where power loss needs to be minimized.
- Adjustable Current Capability: The device can be configured to provide an adjustable current up to 3 A, offering flexibility in various applications.
- Compact Packaging: The 8-pin SOIC package is compact and easy to integrate into space-constrained designs.
- Wide Input Voltage Range: The device can operate with input voltages ranging from 3 V to 18 V, making it versatile for different power supply requirements.
- High Switching Frequency: The 850 kHz switching frequency allows for smaller external components, reducing the overall size of the power supply circuit.
Applications
The ST1CC40DR is suitable for a variety of applications, including but not limited to:
- LED Lighting Systems: The adjustable current capability makes it ideal for driving LEDs in lighting systems.
- Portable Electronics: Its high efficiency and compact size make it a good fit for battery-powered devices.
- Industrial Power Supplies: The device can be used in industrial settings where reliable and efficient power conversion is required.
- Automotive Systems: Although not specifically automotive qualified, its robust design and wide input voltage range make it a candidate for certain automotive applications.
Q & A
- What is the switching frequency of the ST1CC40DR?
The switching frequency of the ST1CC40DR is 850 kHz. - What is the maximum output current of the ST1CC40DR?
The maximum output current of the ST1CC40DR is 3 A. - What is the input voltage range of the ST1CC40DR?
The input voltage range of the ST1CC40DR is from 3 V to 18 V. - What type of package does the ST1CC40DR come in?
The ST1CC40DR comes in an 8-pin SOIC package. - Is the ST1CC40DR RoHS compliant?
Yes, the ST1CC40DR is RoHS compliant. - What is the maximum operating temperature of the ST1CC40DR?
The maximum operating temperature of the ST1CC40DR is 150°C. - Does the ST1CC40DR contain any SVHC substances?
No, the ST1CC40DR does not contain any SVHC substances. - What is the MSL rating of the ST1CC40DR?
The MSL rating of the ST1CC40DR is MSL 3 - 168 hours. - Can the ST1CC40DR be used in automotive applications?
Although not specifically automotive qualified, it can be considered for certain automotive applications due to its robust design and wide input voltage range. - What are some common applications of the ST1CC40DR?
The ST1CC40DR is commonly used in LED lighting systems, portable electronics, industrial power supplies, and other applications requiring efficient and reliable power conversion.
