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MFG:IOR
Part Number: IR2086S
MFG: IOR
Description: The IR2086S is a self oscillating full-bridge controller and driver IC with 50% duty cycle ideally sui...
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IR2086S
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DataSheet
General Description
IR2086S General Description
The IR2086S is a self oscillating full-bridge controller and driver IC with 50% duty cycle ideally suited for 36V-75V full-bridge DC Bus Converters. Dead time can be controlled through proper selection of CT and can range from 50 to 200nsec. Internal soft start increases pulse width on power up and maintains equal pulse widths for the high and low outputs throughout the start up cycle. Undervoltage lockout prevents operation if Vcc is less than 7.5 Vdc. Over current shutdown occurs when the voltage on the Cs pin exceeds 200mV. Restart after overcurrent trip can be delayed by adjusting the external capacitor. The delay time ranges from 10µs to 1s.
IR2086S Maximum Ratings
| Symbol | Definition | Min. | Max. | Units |
| VCC | Low side supply voltage | -0.3 | 25 | Vdc |
| VB1,2 | High side floating supply voltage | -0.3 | 150 | |
| VS1,2 | High side floating supply offset voltage | VB1,2 - 25 | VB1,2 + 0.3 | |
| VHO1,2 | High side floating output voltage | VB1,2 - 0.3 | VB1,2 + 0.3 | |
| VLO1,2 | Low side output voltage | -0.3 | VCC + 0.3 | |
| VCT | CT pin voltage | -0.3 | VCC + 0.3 | |
| VCS | Cs pin voltage | -0.3 | VCC + 0.3 | |
| VDELAY | Delay pin voltage | -0.3 | VCC + 0.3 | |
| dVS/dt | Allowable offset voltage slew rate | -50 | +50 | V/ns |
| ICC | Supply current | - | 40 | mA |
| PD | Package power dissipation (16-lead SOIC) | - | 1.0 | W |
| RthJA | Thermal resistance, junction to ambient (16-lead SOIC) | - | 200 | /W |
| TJ | Junction temperature | -55 | 150 | |
| TS | Storage temperature | -55 | 150 | |
| TL | Lead temperature (soldering, 10 seconds) | - | 300 |
IR2086S Features
• Simple primary side control solution to enable full-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space.
• Frequency and dead time set by two external components
• Maximum 500KHz per channel output with 50% duty cycle
• Adjustable dead time 50nsec ~ 200nsec
• Floating channel designed for bootstrap operation up to +100Vdc
• High and low side pulse width matching to +/- 25nsec
• Overcurrent protection with adjustable hiccup period.
• Undervoltage lockout and internal soft start
• Frequency and dead time set by two external components
• Maximum 500KHz per channel output with 50% duty cycle
• Adjustable dead time 50nsec ~ 200nsec
• Floating channel designed for bootstrap operation up to +100Vdc
• High and low side pulse width matching to +/- 25nsec
• Overcurrent protection with adjustable hiccup period.
• Undervoltage lockout and internal soft start
IR2086S Connection Diagram
IR2086S
PDF/DataSheet Download
- Datasheet: IR2086S
- File Size: 156081 KB
- Manufacturer: IRF [International Rectifier]
- Click here to Download
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