Overview
The STPS340SY is a high-performance power Schottky rectifier produced by STMicroelectronics. This single chip device is specifically designed for use in switch mode power supplies and high frequency DC to DC converters. It is packaged in the SMC (Surface Mount Component) package, making it ideal for surface mounting and applications requiring low voltage, high frequency operation.
The STPS340SY is known for its very small conduction losses, negligible switching losses, low forward voltage drop, and low thermal resistance. These characteristics make it highly suitable for applications where efficient and fast switching is critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| IF(AV) - Average Forward Current | 3 A | A |
| VRRM - Repetitive Peak Reverse Voltage | 40 V | V |
| Tj(max) - Maximum Operating Junction Temperature | 150 °C | °C |
| VF(typ) - Typical Forward Voltage Drop | 0.52 V | V |
| IFSM - Surge Non-Repetitive Forward Current | 75 A (tp = 10 ms sinusoidal) | A |
| PARM - Repetitive Peak Avalanche Power | 90 W (tp = 10 µs, Tj = 125 °C) | W |
| Tstg - Storage Temperature Range | -65 to +150 °C | °C |
| Rth(j-l) - Junction to Lead Thermal Resistance | 20 °C/W (SMC) | °C/W |
Key Features
- Very small conduction losses
- Negligible switching losses
- Low forward voltage drop
- Low thermal resistance
- Extremely fast switching
- Surface mount package (SMC)
- Avalanche rated
- ECOPACK2 component for environmental compliance
- AEC-Q101 qualified for automotive applications
Applications
- Telecom power supplies
- Set-top box power supplies
- TV power supplies
- Battery chargers
- Low and medium voltage, high frequency inverters
- Free wheeling and polarity protection applications
- Automotive power supplies and DC to DC converters
Q & A
- What is the maximum operating junction temperature of the STPS340SY?
The maximum operating junction temperature is 150 °C.
- What is the typical forward voltage drop of the STPS340SY?
The typical forward voltage drop is 0.52 V at 25 °C and 0.57 V at 125 °C.
- What are the package options available for the STPS340?
The STPS340 is available in SMA Flat Notch, SMB, SMB Flat, SMC, and DPAK packages.
- What is the repetitive peak reverse voltage of the STPS340SY?
The repetitive peak reverse voltage is 40 V.
- What is the surge non-repetitive forward current of the STPS340SY?
The surge non-repetitive forward current is 75 A for a 10 ms sinusoidal pulse.
- Is the STPS340SY AEC-Q101 qualified?
- What are the key features of the STPS340SY?
The key features include very small conduction losses, negligible switching losses, low forward voltage drop, low thermal resistance, and extremely fast switching.
- What is the storage temperature range for the STPS340SY?
The storage temperature range is -65 to +150 °C.
- What is the junction to lead thermal resistance of the STPS340SY in SMC package?
The junction to lead thermal resistance is 20 °C/W.
- What are some common applications of the STPS340SY?
