MFG:IOR Package Cooled:SMD-8 D/C:09+
MFG: IOR
Package Cooled: SMD-8
D/C: 09+
Description: The IR2085S is a self oscillating half-bridge driver IC with 50% duty cycle ideally suited for 36V-75V...
The IR2085S is a self oscillating half-bridge driver IC with 50% duty cycle ideally suited for 36V-75V half-bridge DC-bus converters. This product is also suitable for push-pull converters without restriction on input voltage. Each channel frequency is equal to fosc, where fosc can be set by selecting RT & CT, where fosc 1/(2*RT.CT). Dead-time can be controlled through proper selection of CT and can range from 50 to 200nsec. Internal soft-start increases the pulse width during power up and maintains pulse width matching for the high and low outputs throughout the start up cycle. The IR2085S initiates a soft start at power up and after every overcurrent condition. Undervoltage lockout prevents operation if VCC is less than 7.5Vdc.
| Symbol | Definition | Min. | Max. | Units |
| Vb | High side floating supply voltage | -0.3 | 150 | V |
| VCC | Low side supply voltage | - | 25 | |
| VS | High side floating supply offset voltage | Vb - 25 | Vb + 0.3 | |
| VHO | High side floating output voltage | Vb - 0.3 | Vb + 0.3 | |
| VLO | Low side output voltage | -0.3 | VCC + 0.3 | |
| OSC | OSC pin voltage | -0.3 | VCC + 0.3 | |
| VCS | Cs pin voltage | -0.3 | VCC + 0.3 | |
| dVS/dt | Allowable offset voltage slew rate | -50 | +50 | V/ns |
| ICC | Supply current | - | 20 | mA |
| PD | Package power dissipation | - | 1.0 | W |
| RthJA | Thermal resistance, junction to ambient | - | 200 | /W |
| TJ | Junction temperature | -55 | 150 | |
| TS | Storage temperature | -55 | 150 | |
| TL | Lead temperature (soldering, 10 seconds) | - | 300 |
IR2085S
PDF/DataSheet Download
The IR207DM12CCB has some major ratings and characteristics.When parameier is VRM maximum forward voltage,the rating is 1100,the units is mV,the test conditions is TJ=Amb.,IF=20A.When parameier is VRRM reverse breakdown voltage range,the rating is 800 and 12...
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