Overview
The PS2801-4 is a high isolation voltage optically coupled isolator produced by CEL (California Eastern Labs), now part of Renesas Electronics. This component contains a GaAs light emitting diode and an NPN silicon phototransistor, packaged in a small and thin 16-pin SSOP (Shrink Small Outline Package) with a pin pitch of 1.27 mm. The device is designed for high-density applications and features a shield to cut off ambient light, ensuring reliable operation.
Key Specifications
| Parameter | Symbol | Conditions | MIN. | TYP. | MAX. | Unit |
|---|---|---|---|---|---|---|
| Diode Forward Current (DC) | IF | 50 | mA/ch | |||
| Reverse Voltage | VR | 6 | V | |||
| Power Dissipation Derating | ΔPD/°C | 0.6 | 0.8 | mW/°C | ||
| Power Dissipation | PD | 60 | 80 | mW/ch | ||
| Peak Forward Current | IFP | PW = 100 μs, Duty Cycle = 1% | 1 | A/ch | ||
| Collector to Emitter Voltage | VCEO | 80 | V | |||
| Emitter to Collector Voltage | VECO | 6 | V | |||
| Collector Current | IC | 50 | mA/ch | |||
| Isolation Voltage | BV | AC voltage for 1 minute at TA = 25°C, RH = 60% between input and output | 2500 | Vr.m.s. | ||
| Operating Ambient Temperature | TA | -55 | 100 | °C | ||
| Storage Temperature | Tstg | -55 | 150 | °C | ||
| Forward Voltage | VF | IF = 5 mA | 1.1 | 1.4 | V | |
| Reverse Current | IR | VR = 5 V | 5 | μA | ||
| Terminal Capacitance | Ct | V = 0 V, f = 1.0 MHz | 15 | pF | ||
| Collector to Emitter Dark Current | ICEO | VCE = 80 V, IF = 0 mA | 100 | nA | ||
| Coupled Current Transfer Ratio (IC/IF) | CTR | IF = 5 mA, VCE = 5 V | 80 | 600 | % | |
| Collector Saturation Voltage | VCE (sat) | IF = 10 mA, IC = 2 mA | 0.3 | V | ||
| Rise Time | tr | VCC = 5 V, IC = 2 mA, RL = 100 Ω | 3 | μs | ||
| Fall Time | tf | VCC = 5 V, IC = 2 mA, RL = 100 Ω | 5 | μs |
Key Features
- High Isolation Voltage: Up to 2500 Vr.m.s. between input and output, ensuring high electrical isolation and safety.
- Small and Thin Package: 16-pin SSOP package with a pin pitch of 1.27 mm, suitable for high-density applications.
- High-Speed Switching: Rise time (tr) of 3 μs and fall time (tf) of 5 μs, enabling fast switching operations.
- High Collector to Emitter Voltage: VCEO of 80 V, providing robust performance in various applications.
- Pb-Free and Safety Compliant: Compliant with safety standards such as UL, CSA, and BSI, and is Pb-Free.
- Shielded Against Ambient Light: The package design includes a shield to prevent interference from ambient light.
Applications
- Programmable Logic Controllers (PLCs): Used in industrial control systems for isolation and signal transfer.
- Measuring Instruments: Applied in measurement and testing equipment to ensure accurate and isolated signal transmission.
- Power Supply Systems: Utilized in power supply units to provide isolated feedback and control signals.
- Hybrid ICs: Integrated into hybrid integrated circuits for various industrial and automotive applications.
Q & A
- What is the isolation voltage of the PS2801-4?
The isolation voltage of the PS2801-4 is up to 2500 Vr.m.s. between input and output.
- What is the package type and pin pitch of the PS2801-4?
The PS2801-4 comes in a 16-pin SSOP package with a pin pitch of 1.27 mm.
- What are the typical rise and fall times of the PS2801-4?
The typical rise time (tr) is 3 μs and the typical fall time (tf) is 5 μs.
- What is the collector to emitter voltage (VCEO) of the PS2801-4?
The VCEO of the PS2801-4 is 80 V.
- Is the PS2801-4 Pb-Free and compliant with safety standards?
Yes, the PS2801-4 is Pb-Free and compliant with safety standards such as UL, CSA, and BSI.
- What is the operating ambient temperature range of the PS2801-4?
The operating ambient temperature range is from -55°C to +100°C.
- What is the storage temperature range of the PS2801-4?
The storage temperature range is from -55°C to +150°C.
- What are some common applications of the PS2801-4?
Common applications include programmable logic controllers, measuring instruments, power supply systems, and hybrid ICs.
- Does the PS2801-4 have any shielding against ambient light?
Yes, the package design includes a shield to prevent interference from ambient light.
- What is the coupled current transfer ratio (CTR) range of the PS2801-4?
The CTR range is from 80% to 600% at IF = 5 mA and VCE = 5 V.
