Overview
The STPS1545D is a single chip Schottky rectifier designed by STMicroelectronics, specifically suited for switch mode power supplies and high frequency DC to DC converters. This device is available in TO-220AC, TO-220FPAC, and D²PAK packages, making it versatile for various applications. It is intended for use in low voltage, high frequency inverters, free wheeling, and polarity protection applications.
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 |
| Forward Voltage Drop (VF) | 0.5 V (typ.) at IF = 15 A, Tj = 125 °C | V |
| Reverse Leakage Current (IR) | 200 µA (max.) 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
- Negligible switching losses
- Extremely fast switching
- Insulated package: TO-220FPAC with insulating voltage = 2000 VRMS sine
- Avalanche capability specified
- ECOPACK®2 compliant component for D²PAK on demand
Applications
The STPS1545D is designed for use in various high-frequency applications, including:
- Switch mode power supplies
- High frequency DC to DC converters
- Low voltage, high frequency inverters
- Free wheeling applications
- Polarity protection applications
Q & A
- What is the maximum repetitive peak reverse voltage of the STPS1545D?
The maximum repetitive peak reverse voltage (VRRM) is 45 V. - What are the typical forward voltage drop values for the STPS1545D?
The forward voltage drop (VF) is typically 0.5 V at IF = 15 A and Tj = 125 °C. - What are the package options available for the STPS1545D?
The device is available in TO-220AC, TO-220FPAC, and D²PAK packages. - What is the maximum operating junction temperature for the STPS1545D?
The maximum operating junction temperature (Tj) is 175 °C. - Is the STPS1545D ECOPACK® compliant?
Yes, the STPS1545D is ECOPACK®2 compliant, especially for the D²PAK package on demand. - What is the surge non-repetitive forward current rating for the STPS1545D?
The surge non-repetitive forward current (IFSM) is 220 A for tp = 10 ms sinusoidal. - What are the typical applications of the STPS1545D?
The device is typically used in switch mode power supplies, high frequency DC to DC converters, low voltage high frequency inverters, free wheeling, and polarity protection applications. - 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. - Does the STPS1545D have avalanche capability specified?
Yes, the avalanche capability is specified for the STPS1545D. - What is the recommended torque value for the TO-220AC and TO-220FPAC packages?
The recommended torque value is 0.55 N·m, with a maximum torque value of 0.7 N·m.
