STPS5L60S Detailed explanation of pin function specifications and circuit principle instructions

The model "STPS5L60S" belongs to the brand STMicroelectronics. It is a Schottky diode used primarily in power management applications, specifically in circuits requiring low voltage drop and high-speed switching.

Package Type:

The STPS5L60S comes in a TO-220AB package. This is a common package used for diodes, power transistor s, and other semiconductor devices. It typically has 3 pins.

Pin Functionality:

Here is a detailed description of the pin functions for the STPS5L60S in the TO-220AB package (with 3 pins):

Pin Number Pin Name Pin Function Description 1 Anode (A) Input terminal for positive voltage. This is the anode pin of the Schottky diode. It connects to the positive voltage supply or the output node of the power circuit. The current flows into this pin. 2 Cathode (K) Output terminal for negative voltage. This is the cathode pin. The current flows out of this pin after passing through the diode. It connects to the load or ground depending on the circuit. 3 Case (C) External case and thermal management. The third pin is the case pin used for heat dissipation. In many packages, this pin is electrically connected to the cathode, but its primary role is thermal.

Circuit Principle:

The STPS5L60S is a Schottky barrier rectifier, meaning it provides fast switching characteristics and low forward voltage drop. In the circuit, the anode is connected to the positive side of the input, and the cathode is connected to the output. This diode is particularly efficient in circuits where low power loss is important. The Schottky diode is used in power supplies, voltage clamping, and high-frequency switching power supplies.

FAQ (Frequently Asked Questions) Regarding STPS5L60S:

Q: What is the forward voltage drop of the STPS5L60S? A: The forward voltage drop of the STPS5L60S is typically 0.45V at 5A of forward current.

Q: What is the maximum repetitive peak reverse voltage (VRRM) of the STPS5L60S? A: The maximum repetitive peak reverse voltage (VRRM) is 60V.

Q: What is the maximum average forward current (I_F(av)) for the STPS5L60S? A: The maximum average forward current is 5A.

Q: Can the STPS5L60S be used in high-frequency applications? A: Yes, the STPS5L60S is suitable for high-frequency applications due to its fast recovery time and low forward voltage drop.

Q: What is the maximum junction temperature for the STPS5L60S? A: The maximum junction temperature for the STPS5L60S is 150°C.

Q: What is the power dissipation rating of the STPS5L60S? A: The maximum power dissipation of the STPS5L60S is 2W.

Q: Can the STPS5L60S be used in automotive applications? A: Yes, the STPS5L60S can be used in automotive circuits where efficient power conversion is required.

Q: What are the typical applications of the STPS5L60S? A: Typical applications include power supplies, DC-DC converters, overvoltage protection, and high-speed switching circuits.

Q: What is the reverse leakage current at 25°C for the STPS5L60S? A: The reverse leakage current at 25°C is typically 1µA at 60V.

Q: How should the STPS5L60S be mounted to ensure proper heat dissipation? A: Proper thermal management should be done by connecting the case pin to a heat sink or the ground plane to efficiently dissipate heat.

Q: Can the STPS5L60S handle pulse loads? A: Yes, the STPS5L60S is capable of handling pulse loads due to its fast switching characteristics.

Q: Is the STPS5L60S lead-free? A: Yes, the STPS5L60S is a lead-free component and complies with RoHS standards.

Q: What is the difference between a Schottky diode and a standard diode? A: Schottky diodes, like the STPS5L60S, have a lower forward voltage drop and faster switching times compared to standard PN-junction diodes.

Q: Is the STPS5L60S suitable for use in high-power circuits? A: Yes, the STPS5L60S can be used in circuits that require power efficiency, although it is typically used for lower power applications due to its 5A forward current rating.

Q: What is the reverse recovery time of the STPS5L60S? A: The reverse recovery time of the STPS5L60S is typically very low, making it ideal for fast switching applications.

Q: Can the STPS5L60S be used for low-voltage power supplies? A: Yes, it is suitable for low-voltage power supplies due to its low forward voltage drop and high efficiency.

Q: What is the storage temperature range of the STPS5L60S? A: The storage temperature range is -40°C to +150°C.

Q: Can the STPS5L60S be used in parallel with other diodes? A: Yes, the STPS5L60S can be used in parallel with other diodes, but thermal and current-sharing considerations must be made.

Q: Is there any internal protection for the STPS5L60S? A: The STPS5L60S does not have built-in protection, so external protection such as fuses or current-limiting resistors should be used in sensitive circuits.

Q: Can the STPS5L60S be used in AC applications? A: The STPS5L60S is a rectifier diode, and while it can be used in AC-to-DC rectification applications, it is most commonly used in DC circuits.

This explanation provides a detailed understanding of the STPS5L60S diode's pin functions, its application in circuits, and the most common FAQs regarding its use. The overall design and behavior of the diode make it ideal for efficient switching and power rectification tasks.