STPS3L45AF Overview
The STPS3L45AF is a high-efficiency, ultra-fast recovery diode designed for industrial and power electronics applications. This dual Schottky rectifier is optimized for low forward voltage drop and minimal switching losses, enhancing overall system efficiency. With a maximum repetitive peak reverse voltage of 45V and a forward current rating of 3A, it offers reliable performance in demanding environments. Its compact surface-mount package supports high-density board designs, making it ideal for power management, DC-DC converters, and freewheeling diode applications. For more detailed information, visit the IC Manufacturer.
STPS3L45AF Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Peak Reverse Voltage (VRRM) | 45 | V |
| Average Rectified Forward Current (IF(AV)) | 3 | A |
| Surge Forward Current (IFSM) | 50 | A |
| Forward Voltage Drop (VF) at 3A | 0.50 | V |
| Reverse Recovery Time (trr) | 35 | ns |
| Junction Temperature (Tj) | -65 to +150 | ??C |
| Operating Temperature Range (Top) | -65 to +150 | ??C |
| Package Type | DFN6 3×3 mm | – |
STPS3L45AF Key Features
- Low forward voltage drop: Reduces conduction losses, improving power efficiency in switching power supplies and converters.
- Fast recovery time: Minimizes switching losses and electromagnetic interference, crucial for high-frequency applications.
- High surge current capability: Ensures robustness during transient conditions, enhancing system reliability.
- Compact DFN6 package: Enables high-density PCB layouts and efficient thermal management in space-constrained designs.
Typical Applications
- Switched-mode power supplies (SMPS): Utilized for fast rectification and improved efficiency in power conversion circuits.
- Freewheeling diode circuits: Protects inductive loads by providing a low-loss path for current during switching off.
- DC-DC converters: Enhances performance by reducing voltage drops and power dissipation in synchronous rectification stages.
- Battery charging and protection circuits: Supports low forward voltage and fast switching for efficient battery management.
STPS3L45AF Advantages vs Typical Alternatives
This device provides a significantly lower forward voltage drop and faster recovery time compared to traditional silicon diodes, resulting in reduced power loss and increased efficiency. Its high surge current capability and robust thermal performance improve reliability under harsh operating conditions. The compact DFN6 package facilitates better thermal dissipation and space savings, making it a superior choice over bulkier or slower rectifiers in modern power electronics.
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STPS3L45AF Brand Info
The STPS3L45AF is manufactured by STMicroelectronics, a global leader in semiconductor solutions. STMicroelectronics specializes in advanced power management and discrete components, delivering high-quality products tailored for industrial, automotive, and consumer applications. This rectifier reflects the company’s commitment to innovation, combining efficiency, reliability, and compactness to meet evolving power electronics demands.
FAQ
What is the maximum repetitive peak reverse voltage of the STPS3L45AF?
The maximum repetitive peak reverse voltage is 45 volts, making this device suitable for low-voltage power applications where efficient rectification is required.
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How does the low forward voltage drop benefit power supply designs?
A low forward voltage drop reduces conduction losses, improving overall efficiency and reducing heat generation, which is critical in power supply and converter circuits.
