Overview
The FOD3150SV is a 1.0A Output Current Gate Drive Optocoupler produced by Fairchild Semiconductor, now part of ON Semiconductor. This device is designed to drive most 800V/20A IGBTs and MOSFETs, making it ideal for fast switching applications in motor control inverters and high-performance power systems. It utilizes Fairchild’s patented coplanar packaging technology, Optoplanar®, and optimized IC design to achieve high noise immunity characterized by high common mode rejection. The FOD3150SV 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
| Symbol | Parameter | Conditions | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|---|
| VF | Input Forward Voltage | IF = 10mA | 1.2 | 1.5 | 1.8 | V |
| ∆(VF/TA) | Temperature Coefficient of Forward Voltage | - | -1.8 | - | mV/°C | |
| BVR | Input Reverse Breakdown Voltage | IR = 10µA | 5 | - | - | V |
| CIN | Input Capacitance | f = 1MHz, VF = 0V | 60 | - | - | pF |
| IOH | High Level Output Current | VO = VCC – 0.75V | 0.2 | - | - | A |
| tPHL | Propagation Delay (High to Low) | - | - | 500ns | ns | |
| tPLH | Propagation Delay (Low to High) | - | - | 500ns | ns | |
| VUVLO+ | Under Voltage Lockout Threshold (Positive) | - | 11 | 12.7 | 13.5 | V |
| VUVLO- | Under Voltage Lockout Threshold (Negative) | - | 9.5 | 11.2 | 12.0 | V |
Key Features
- High noise immunity characterized by 20kV/µs minimum common mode rejection.
- Use of P-channel MOSFETs at the 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., and IEC60747-5-2.
- >8.0mm clearance and creepage distance (option ‘T’).
Applications
- Industrial inverter applications.
- Uninterruptible power supply (UPS) systems.
- Induction heating systems.
- Isolated IGBT/Power MOSFET gate drive applications.
- Motor control inverter applications.
- High-performance power systems.
Q & A
- What is the maximum output current of the FOD3150SV?
The FOD3150SV has a maximum output current of 1.0A.
- What is the typical propagation delay of the FOD3150SV?
The typical propagation delay is 500ns.
- What is the temperature range for the FOD3150SV?
The device operates over an extended industrial temperature range of -40°C to 100°C.
- What are the safety and regulatory approvals for the FOD3150SV?
The device has UL1577 and IEC60747-5-2 approvals, with 5000 V RMS for 1 minute.
- What type of MOSFETs are used in the output stage of the FOD3150SV?
The output stage uses P-channel MOSFETs.
- What is the common mode rejection of the FOD3150SV?
The device has a minimum common mode rejection of 20kV/µs.
- What is the supply voltage range for the FOD3150SV?
The supply voltage range is from 15V to 30V.
- Does the FOD3150SV have Under Voltage LockOut (UVLO) feature?
Yes, it has UVLO with hysteresis.
- What are the typical applications of the FOD3150SV?
Typical applications include industrial inverter, UPS, induction heating, and isolated IGBT/Power MOSFET gate drive.
- What packaging technology is used in the FOD3150SV?
The device utilizes Fairchild’s patented coplanar packaging technology, Optoplanar®.
