Overview
The PS2801-1-A is a high-speed, high common-mode transient immunity optical isolator chip manufactured by Renesas Electronics Corporation, although it is also associated with California Eastern Labs (CEL). This optocoupler is designed to provide reliable and efficient signal isolation in various high-density applications. It features a GaAs LED and an NPN silicon phototransistor packaged in a compact SOP4 (SSOP) package, ensuring minimal interference from ambient light and high performance across different environments.
The device is particularly suited for industrial automation, power supplies, and other applications requiring high-speed switching and isolation between high-voltage and low-voltage circuits.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Mounting Style | SMD/SMT | Number of Channels | 1 Channel |
| Isolation Voltage | 2500 Vrms | Output Type | NPN Phototransistor |
| Current Transfer Ratio - Min | 80% @ 5mA | Contact Current Rating | 50 mA |
| Reference Voltage | 1.4 V | Collector-Emitter Voltage-Max | 80 V |
| Maximum Collector Current | 50 mA | Maximum Collector Emitter Saturation Voltage | 300 mV |
| Rise Time | 3 μs | Fall Time | 5 μs |
| Vr - Reverse Voltage | 6 V | Pd - Power Dissipation | 180 mW |
| Minimum Operating Temperature (°C) | -55°C | Maximum Operating Temperature (°C) | +100°C |
| Package/Case | SOP4 (SSOP) |
Key Features
- Safe isolation up to 5kV
- Fast switching with 2μs response time
- High Current Transfer Ratio (CTR) for high-current signals
- Operating temperature range of -40°C to 100°C
- Compact SOP-4 package suitable for space-constrained applications
- Fault-tolerant design with low noise
- High common-mode transient immunity
Applications
The PS2801-1-A is commonly used in various applications including:
- Power supply control
- Communication equipment
- Measurement equipment
- Automotive applications
- Industrial equipment
- Home appliances
- Any system requiring high-speed switching and isolation between different circuits
Q & A
- What is the primary function of the PS2801-1-A optocoupler?
The primary function of the PS2801-1-A is to provide high-speed, high common-mode transient immunity optical isolation between high-voltage and low-voltage circuits.
- What is the isolation voltage of the PS2801-1-A?
The isolation voltage of the PS2801-1-A is 2500 Vrms.
- What is the output type of the PS2801-1-A?
The output type of the PS2801-1-A is an NPN phototransistor.
- What is the operating temperature range of the PS2801-1-A?
The operating temperature range of the PS2801-1-A is from -55°C to +100°C.
- What is the typical rise and fall time of the PS2801-1-A?
The typical rise time is 3 μs and the fall time is 5 μs.
- What is the current transfer ratio (CTR) of the PS2801-1-A?
The current transfer ratio (CTR) of the PS2801-1-A is 80% to 600% at 5mA.
- What package type is used for the PS2801-1-A?
The PS2801-1-A is packaged in a SOP4 (SSOP) package.
- What are some common applications of the PS2801-1-A?
Common applications include power supply control, communication equipment, measurement equipment, automotive applications, and industrial equipment.
- Who manufactures the PS2801-1-A?
The PS2801-1-A is manufactured by Renesas Electronics Corporation, although it is also associated with California Eastern Labs (CEL).
- What is the maximum collector current of the PS2801-1-A?
The maximum collector current of the PS2801-1-A is 50 mA.
