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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Description:
- The IR2085S is a self-oscillating half-bridge driver IC with 50% duty cycle ideally suited for 36V – 75V halfbridge DC-bus converters.
- This product is also suitable for push-pull converters without restriction on input voltage. Each channel frequency is equal to fOSC, which can be set by selecting RT & CT, where fOSC = 1/(2RT.CT). Dead-time can be controlled through proper selection of CT and can range from 50ns to 200ns. 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 7.5V.
- Summary of Features:
- · Simple primary side control solution to enable half-bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space
- · Integrated 50% duty cycle oscillator & half-bridge driver IC in a single SO-8 package
- · Programmable switching frequency with up to 500kHz max per channel
- · +/- 1A drive current capability optimized for low charge MOSFETs
- · Adjustable dead-time 50ns – 200ns
- · Floating channel designed for bootstrap operation up to +100Vdc
- · High and low side pulse width matching to +/- 25ns
- · Adjustable overcurrent protection
- · Undervoltage lockout and internal soft start
- · Also available Leadfree
IR2085STRPBF Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | SOIC-8 |
| Rise/Fall Time | 40ns, 20ns |
| Number of Outputs | 2 Output |
| Output Current | 1 A |
| Number of Positions | 8 Position |
| Power Dissipation | 1 W |
| Rise Time | 60 ns |
| Fall Time | 30 ns |
| Fall Time (Max) | 30 ns |
| Fall Time (Max) | 60 ns |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 1000 mW |
| Supply Voltage | 10V ~ 15V |
| Supply Voltage (Max) | 15 VDC |
| Supply Voltage (Min) | 10 VDC |
| Show | |
| Size-Length | 5 mm |
| Size-Width | 4 mm |
| Size-Height | 1.5 mm |
| Operating Temperature | -40℃ ~ 150℃ (TJ) |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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