Overview
The STPS2L40U is a single chip Schottky rectifier designed by STMicroelectronics, specifically tailored for high frequency miniature switched mode power supplies. This component is ideal for applications such as adaptors and on-board DC/DC converters. It is packaged in various surface mount formats, including SMB, SMA Flat, SMA Flat Notch, and SMB Flat, making it suitable for low voltage, high frequency inverters, free wheeling, and polarity protection applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | 40 | V |
| IF(AV) (Average Forward Current) | 2 | A |
| IF(RMS) (RMS Forward Current) | 8 | A |
| VF (Typical Forward Voltage Drop) | 0.31 | V |
| Tj (Maximum Junction Temperature) | 150 | °C |
| IR (Reverse Leakage Current at Tj = 25°C, VR = 40V) | 220 µA | |
| Package Types | SMB, SMA Flat, SMA Flat Notch, SMB Flat |
Key Features
- Very small conduction losses
- Negligible switching losses
- Low forward voltage drop
- Surface mount miniature package
- Avalanche rated
- ECOPACK2 component, meeting environmental compliance standards
Applications
- Telecom power supplies
- Set-top box power supplies
- TV power supplies
- Battery chargers
- Low voltage, high frequency inverters
- Free wheeling and polarity protection applications
Q & A
- What is the maximum repetitive peak reverse voltage (VRRM) of the STPS2L40U?
The maximum repetitive peak reverse voltage (VRRM) is 40 V.
- What is the average forward current (IF(AV)) of the STPS2L40U?
The average forward current (IF(AV)) is 2 A.
- What are the typical forward voltage drop values for the STPS2L40U?
The typical forward voltage drop values range from 0.25 V to 0.43 V depending on the current and temperature conditions.
- What are the package types available for the STPS2L40U?
The STPS2L40U is available in SMB, SMA Flat, SMA Flat Notch, and SMB Flat packages.
- What is the maximum junction temperature for the STPS2L40U?
The maximum junction temperature is 150 °C.
- Is the STPS2L40U environmentally compliant?
Yes, the STPS2L40U is an ECOPACK2 component, which meets environmental compliance standards.
- What are some common applications of the STPS2L40U?
Common applications include telecom power supplies, set-top box power supplies, TV power supplies, battery chargers, and low voltage, high frequency inverters.
- What are the benefits of using the STPS2L40U in high frequency applications?
The benefits include very small conduction losses, negligible switching losses, and a low forward voltage drop.
- How does the STPS2L40U handle avalanche conditions?
The STPS2L40U is avalanche rated, meaning it can handle avalanche conditions without damage.
- Where can I find additional resources and design tools for the STPS2L40U?
Additional resources, including EDA symbols, footprints, and 3D models, can be found on the STMicroelectronics website.
