Overview
The STPS1545G-TR is a high-performance Power Schottky rectifier produced by STMicroelectronics. This single chip Schottky rectifier is specifically designed for use in switch mode power supplies and high frequency DC to DC converters. It is available in various packages, including TO-220AC, TO-220FPAC, and D²PAK, making it versatile for different application needs.
The device is characterized by its very small conduction losses, negligible switching losses, and extremely fast switching times, making it ideal for low voltage, high frequency inverter applications, free wheeling, and polarity protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 45 | V |
| Average Forward Current (IF(AV)) | 15 A (TO-220AC, D²PAK), 15 A (TO-220FPAC at TC = 130°C) | A |
| Forward RMS Current (IF(RMS)) | 30 A | A |
| Surge Non-Repetitive Forward Current (IFSM) | 220 A (tp = 10 ms sinusoidal) | A |
| Maximum Operating Junction Temperature (Tj) | 175 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +175 °C | °C |
| Forward Voltage Drop (VF) | 0.5 V (typical at IF = 15 A, Tj = 125 °C) | V |
| Reverse Leakage Current (IR) | 200 µA (typical at Tj = 25 °C, VR = VRRM) | µA |
| Junction to Case Thermal Resistance (Rth(j-c)) | 1.6 °C/W (TO-220AC, D²PAK), 4.0 °C/W (TO-220FPAC) | °C/W |
Key Features
- Very small conduction losses and negligible switching losses.
- Extremely fast switching times.
- Insulated package options (TO-220FPAC with insulating voltage = 2000 VRMS sine).
- Avalanche capability specified.
- ECOPACK®2 compliant for environmental sustainability.
- High reliability and durability with a maximum operating junction temperature of 175 °C.
Applications
- Switch mode power supplies.
- High frequency DC to DC converters.
- Low voltage, high frequency inverters.
- Free wheeling diode applications.
- Polarity protection circuits.
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS1545G-TR?
The maximum repetitive peak reverse voltage (VRRM) is 45 V.
- What are the typical forward voltage drop values for the STPS1545G-TR?
The typical forward voltage drop (VF) is 0.5 V at IF = 15 A and Tj = 125 °C.
- What are the package options available for the STPS1545G-TR?
The device is available in TO-220AC, TO-220FPAC, and D²PAK packages.
- What is the maximum operating junction temperature of the STPS1545G-TR?
The maximum operating junction temperature (Tj) is 175 °C.
- Is the STPS1545G-TR environmentally compliant?
Yes, the STPS1545G-TR is ECOPACK®2 compliant, meeting environmental sustainability standards.
- What is the surge non-repetitive forward current rating of the STPS1545G-TR?
The surge non-repetitive forward current (IFSM) is 220 A for a pulse duration of 10 ms sinusoidal.
- What are the typical applications of the STPS1545G-TR?
Typical applications include switch mode power supplies, high frequency DC to DC converters, low voltage high frequency inverters, free wheeling, and polarity protection.
- What is the junction to case thermal resistance for the TO-220FPAC package?
The junction to case thermal resistance (Rth(j-c)) for the TO-220FPAC package is 4.0 °C/W.
- What is the storage temperature range for the STPS1545G-TR?
The storage temperature range (Tstg) is -65 to +175 °C.
- How does the STPS1545G-TR handle avalanche conditions?
The STPS1545G-TR has specified avalanche capability, ensuring it can handle such conditions without damage.
