Overview
The FODM217C is a single-channel, DC sensing input optocoupler produced by onsemi. It consists of a gallium arsenide (GaAs) infrared light emitting diode optically coupled to a phototransistor, packaged in a compact, half-pitch, mini-flat, 4-pin package. This optocoupler is designed to provide high input-output isolation, with a rated isolation voltage of 3,750 VACRMS, making it suitable for various applications requiring electrical isolation and signal transfer.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Current Transfer Ratio (CTR) | 200% | - | 400% | % |
| Input-Output Isolation Voltage (VISO) | 3750 | - | - | VACRMS |
| Collector-Emitter Voltage (VCE) | - | - | 80 | V |
| Collector-Emitter Saturation Voltage (VCE(SAT)) | - | - | 0.4 | V |
| Turn On Time (tON) | - | - | 3 | μs |
| Turn Off Time (tOFF) | - | - | 3 | μs |
| Operating Temperature Range (T_OPR) | -55 | - | 110 | °C |
Key Features
- High input-output isolation voltage of 3,750 VACRMS.
- Current Transfer Ratio (CTR) ranges from 200% to 400% at IF = 5 mA, VCE = 5 V, and TA = 25°C.
- Compact, half-pitch, mini-flat, 4-pin package.
- Safety and regulatory approvals: UL1577, DIN EN/IEC60747-5-5.
- Applicable to infrared ray reflow at 260°C.
- Low collector-emitter saturation voltage (VCE(SAT)) of 0.4 V.
- Fast switching times with turn-on and turn-off times of up to 3 μs.
Applications
- Consumer Appliances
- DC-DC Merchant Power Supply
- Set Top Boxes
- Ground Loop Isolation
- Signal to Noise Isolation
- Communications – Adapters, Chargers
- Industrial – Power Supplies, Motor Control, Programmable Logic Control
Q & A
- What is the input-output isolation voltage of the FODM217C?
The input-output isolation voltage of the FODM217C is 3,750 VACRMS.
- What is the current transfer ratio (CTR) range of the FODM217C?
The CTR range of the FODM217C is from 200% to 400% at IF = 5 mA, VCE = 5 V, and TA = 25°C.
- What is the package type of the FODM217C?
The FODM217C is packaged in a compact, half-pitch, mini-flat, 4-pin package.
- What are the safety and regulatory approvals for the FODM217C?
The FODM217C has safety and regulatory approvals including UL1577 and DIN EN/IEC60747-5-5.
- What is the maximum operating temperature of the FODM217C?
The maximum operating temperature of the FODM217C is 110°C.
- What is the typical turn-on and turn-off time for the FODM217C?
The typical turn-on and turn-off time for the FODM217C is up to 3 μs.
- Is the FODM217C suitable for infrared ray reflow?
Yes, the FODM217C is applicable to infrared ray reflow at 260°C.
- What are some common applications for the FODM217C?
Common applications include consumer appliances, DC-DC merchant power supplies, set top boxes, ground loop isolation, and industrial power supplies.
- What is the collector-emitter saturation voltage (VCE(SAT)) of the FODM217C?
The collector-emitter saturation voltage (VCE(SAT)) of the FODM217C is 0.4 V.
- How does the FODM217C ensure electrical isolation?
The FODM217C ensures electrical isolation through its high input-output isolation voltage and optical coupling between the LED and phototransistor.
