Overview
The FOD3150 is a 1.0A output current gate drive optocoupler produced by Fairchild Semiconductor, now part of ON Semiconductor. It is designed to drive most 800V/20A IGBT/MOSFET devices, making it ideal for fast switching applications in motor control inverters and high-performance power systems. The device utilizes Fairchild’s proprietary coplanar packaging technology, Optoplanar®, and an optimized IC design to achieve high noise immunity, characterized by high common mode rejection. It consists of a gallium aluminum arsenide (AlGaAs) light emitting diode optically coupled to an integrated circuit with a high-speed driver for a push-pull MOSFET output stage.
Key Specifications
| Parameter | Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Input Forward Voltage (VF) | IF = 10mA | 1.2 | 1.5 | 1.8 | V |
| Temperature Coefficient of Forward Voltage (∆(VF/TA)) | -1.8 | mV/ºC | |||
| Input Reverse Breakdown Voltage (BVR) | IR = 10µA | 5 | V | ||
| Input Capacitance (CIN) | f = 1MHz, VF = 0V | 60 | pF | ||
| High Level Output Current (IOH) | VO = VCC – 0.75V | 0.2 | A | ||
| Propagation Delay (tPLH, tPHL) | 500ns | ns | |||
| Pulse Width Distortion | 300ns | ns | |||
| Supply Voltage Range | 15V | 30V | V | ||
| Operating Temperature Range | -40°C | 100°C | °C |
Key Features
- High noise immunity characterized by 20kV/µs minimum common mode rejection
- Use of P-channel MOSFETs at output stage enables output voltage swing close to the supply rail
- Wide supply voltage range from 15V to 30V
- Fast switching speed with 500ns max. propagation delay and 300ns max. pulse width distortion
- Under-Voltage LockOut (UVLO) with hysteresis
- Extended industrial temperature range, -40°C to 100°C
- Safety and regulatory approvals: UL1577, 5000 V RMS for 1 min., IEC60747-5-2
- >8.0mm clearance and creepage distance (option ‘T’)
Applications
- Industrial inverter
- Uninterruptible power supply
- Induction heating
- Isolated IGBT/Power MOSFET gate drive
Q & A
- What is the output current of the FOD3150? The FOD3150 has an output current of 1.0A.
- What type of devices can the FOD3150 drive? The FOD3150 can drive most 800V/20A IGBT/MOSFET devices.
- What is the propagation delay of the FOD3150? The propagation delay is up to 500ns.
- What is the pulse width distortion of the FOD3150? The pulse width distortion is up to 300ns.
- What is the operating temperature range of the FOD3150? The operating temperature range is from -40°C to 100°C.
- What safety and regulatory approvals does the FOD3150 have? The FOD3150 has UL1577, 5000 V RMS for 1 min., and IEC60747-5-2 approvals.
- What is the supply voltage range of the FOD3150? The supply voltage range is from 15V to 30V.
- What is the common mode rejection of the FOD3150? The FOD3150 has a high noise immunity characterized by 20kV/µs minimum common mode rejection.
- What is the Under-Voltage LockOut (UVLO) feature of the FOD3150? The FOD3150 features an Under-Voltage LockOut (UVLO) with hysteresis.
- What are the typical applications of the FOD3150? Typical applications include industrial inverters, uninterruptible power supplies, induction heating, and isolated IGBT/Power MOSFET gate drives.
